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Signal Transduction Signaling Pathway Calcium Signaling Calmodulin Pathway

Anti-Calmodulin 1/2/3抗体[2D1] (ab2860)

  • Datasheet
Reviews (1)Q&A (7)References (10)

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Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

Key features and details

  • Mouse monoclonal [2D1] to Calmodulin 1/2/3
  • Suitable for: WB, ELISA, ICC/IF, Flow Cyt, IP, IHC-P
  • Reacts with: Mouse, Rat, Chicken, Cow, Human, Dictyostelium discoideum
  • Isotype: IgG1

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概述

  • 产品名称

    Anti-Calmodulin 1/2/3抗体[2D1]
    参阅全部 Calmodulin 1/2/3 一抗
  • 描述

    小鼠单克隆抗体[2D1] to Calmodulin 1/2/3
  • 宿主

    Mouse
  • 特异性

    This antibody detects calmodulin. It does not detect parvalbumin, tropinin, S-100, or myosin light chain kinase (MLCK).By Western blot, this antibody detects a 17 kDa protein representing calmodulin from Dictyostelium cell lysate. Immunohistochemical staining of calmodulin in Dictyostelium cells with this antibody results in staining of the contractile vacuoles.
  • 经测试应用

    适用于: WB, ELISA, ICC/IF, Flow Cyt, IP, IHC-Pmore details
  • 种属反应性

    与反应: Mouse, Rat, Chicken, Cow, Human, Dictyostelium discoideum
    预测可用于: Wheat
  • 免疫原

    Full length protein corresponding to Calmodulin 1/2/3. Calmodulin purified from Dictyostelium discoideum.

  • 阳性对照

    • ICC/IF: HeLa, A2058, C6 cells. IHC-P: Rat testis and cerebellum tissue. Flow Cyt: HeLa, C6, MCF-7 and PC-12 cells.
  • 常规说明

    The Life Science industry has been in the grips of a reproducibility crisis for a number of years. Abcam is leading the way in addressing this with our range of recombinant monoclonal antibodies and knockout edited cell lines for gold-standard validation. Please check that this product meets your needs before purchasing.

    If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, along with publications, customer reviews and Q&As

性能

  • 形式

    Liquid
  • 存放说明

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.
  • 存储溶液

    Preservative: 0.05% Sodium azide
    Constituent: 99% PBS
  • Concentration information loading...
  • 纯度

    Protein A purified
  • Primary antibody说明

    Calmodulin is a small, highly conserved calcium binding protein found in all eukaryotic cells. With the capacity to bind up to four calcium ions, this 17 kDa protein acts as an important intracellular receptor for regulatory calcium signals. As it binds calcium, calmodulin undergoes conformational changes which can increase its affinity for target proteins. It acts both directly, through interaction with key target enzymes, and indirectly, via specific kinases. Studies have found that calmodulin participates in the regulation of several biological processes including energy and biosynthetic metabolism, cell motility, exocytosis, cytoskeletal assembly, and intracellular modulation of both cAMP and calcium concentrations.
  • 克隆

    单克隆
  • 克隆编号

    2D1
  • 同种型

    IgG1
  • 研究领域

    • Signal Transduction
    • Signaling Pathway
    • Calcium Signaling
    • Calmodulin Pathway
    • Signal Transduction
    • Signaling Pathway
    • Calcium Signaling
    • Calcium Binding Proteins
    • Cardiovascular
    • Atherosclerosis
    • Apoptosis
    • Cardiovascular
    • Heart
    • Cardiac metabolism
    • Cancer
    • Cancer Metabolism
    • Metabolic signaling pathway
    • Metabolism of carbohydrates
    • Metabolism
    • Pathways and Processes
    • Metabolic signaling pathways
    • Carbohydrate metabolism
    • Metabolism
    • Types of disease
    • Cancer
    • Metabolism
    • Types of disease
    • Heart disease

相关产品

  • Compatible Secondaries

    • Goat Anti-Mouse IgG H&L (Alexa Fluor® 488) (ab150113)
    • Goat Anti-Mouse IgG H&L (HRP) (ab205719)
    • Goat Anti-Mouse IgG H&L (DyLight® 488) preadsorbed (ab96879)
  • Conjugation kits

    • PE / R-Phycoerythrin Conjugation Kit - Lightning-Link® (ab102918)
    • APC Conjugation Kit - Lightning-Link® (ab201807)
  • Isotype control

    • Mouse IgG1, kappa monoclonal [15-6E10A7] - Isotype Control (ab170190)
    • Mouse IgG1, Kappa Monoclonal [B11/6] - Isotype Control (ab91353)
  • Recombinant Protein

    • Recombinant Human CALM1 Protein (ab94519)

应用

The Abpromise guarantee

Abpromise™承诺保证使用ab2860于以下的经测试应用

“应用说明”部分 下显示的仅为推荐的起始稀释度;实际最佳的稀释度/浓度应由使用者检定。

应用 Ab评论 说明
WB (1)
1/500.
ELISA
Use at an assay dependent concentration.
ICC/IF
1/50.
Flow Cyt
Use 2µg for 106 cells.

diution is only suitable for human reaction

ab170190 - Mouse monoclonal IgG1, is suitable for use as an isotype control with this antibody.

IP
Use at an assay dependent concentration.
IHC-P
1/20 - 1/100. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
说明
WB
1/500.
ELISA
Use at an assay dependent concentration.
ICC/IF
1/50.
Flow Cyt
Use 2µg for 106 cells.

diution is only suitable for human reaction

ab170190 - Mouse monoclonal IgG1, is suitable for use as an isotype control with this antibody.

IP
Use at an assay dependent concentration.
IHC-P
1/20 - 1/100. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.

靶标

  • 相关性

    Function: Calmodulin mediates the control of a large number of enzymes and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. Together with CEP110 and centrin, is involved in a genetic pathway that regulates the centrosome cycle and progression through cytokinesis.
  • 细胞定位

    Cytoplasm > cytoskeleton > spindle. Cytoplasm > cytoskeleton > spindle pole. Distributed throughout the cell during interphase, but during mitosis becomes dramatically localized to the spindle poles and the spindle microtubules.
  • 数据库链接

    • Entrez Gene: 416692 Chicken
    • Entrez Gene: 326597 Cow
    • Entrez Gene: 520277 Cow
    • Entrez Gene: 808 Human
    • Entrez Gene: 12315 Mouse
    • Entrez Gene: 24244 Rat
    • Omim: 114182 Human
    • Omim: 114183 Human
    • SwissProt: P62157 Cow
    • SwissProt: 114180 Human
    • SwissProt: P0DP23 Human
    • SwissProt: P0DP24 Human
    • SwissProt: P0DP25 Human
    • SwissProt: P62158 Human
    • SwissProt: Q9BJF5 Human
    • SwissProt: P62204 Mouse
    • SwissProt: P62161 Rat
    see all
  • 形式

    There are three genes which encode an identical calcium binding protein which is one of the four subunits of phosphorylase kinase.
  • 别名

    • CALM 1 antibody
    • CALM 2 antibody
    • CALM 3 antibody
    • CALM antibody
    • CALM1 antibody
    • CALM2 antibody
    • CALM3 antibody
    • CALML2 antibody
    • calmodulin 1 (phosphorylase kinase, delta) antibody
    • Calmodulin 1 antibody
    • Calmodulin 2 (phosphorylase kinase, delta) antibody
    • Calmodulin 2 antibody
    • Calmodulin 3 (phosphorylase kinase, delta) antibody
    • Calmodulin 3 antibody
    • CAM 2 antibody
    • CAM 3 antibody
    • CAM antibody
    • CAM I antibody
    • CAM1 antibody
    • CAM2 antibody
    • CAM3 antibody
    • CAMB antibody
    • CAMC antibody
    • CAMI antibody
    • CAMII antibody
    • CAMIII antibody
    • CPVT4 antibody
    • DD132 antibody
    • FLJ99410 antibody
    • LP7057 protein antibody
    • PHKD antibody
    • PHKD2 antibody
    • PHKD3 antibody
    • phosphorylase kinase delta antibody
    • phosphorylase kinase, delta subunit antibody
    see all

图片

  • Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunofluorescent analysis of HeLa (Human epithelial cell line from cervix adenocarcinoma) cells labeling Calmodulin with ab2860. Calmodulin staining (green) F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with or an antibody recognizing Calmodulin ab2860 at a dilution of 1:50 over night at 4 ?C washed with PBS and incubated with a DyLight-488 conjugated secondary antibody. Images were taken at 60X magnification.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunohistochemistry was performed on normal biopsies of deparaffinized rat testis tissue. To expose target proteins heat induced antigen retrieval was performed using 10mM sodium citrate (pH6.0) buffer microwaved for 8-15 minutes. Following antigen retrieval tissues were blocked in 3% BSA-PBS for 30 minutes at room temperature. Tissues were then probed at a dilution of 1:20 with a mouse monoclonal antibody recognizing Calmodulin ab2860 or without primary antibody (negative control) overnight at 4°C in a humidified chamber. Tissues were washed extensively with PBST and endogenous peroxidase activity was quenched with a peroxidase suppressor. Detection was performed using a biotin-conjugated secondary antibody and SA-HRP followed by colorimetric detection using DAB. Tissues were counterstained with hematoxylin and prepped for mounting.

  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Flow cytometry analysis of Calmodulin showing positive staining in the cytoplasm of C6 (Rat glial tumor cell line) cells compared to an isotype control (blue). Cells were harvested and adjusted to a concentration of 1-5x10^6 cells/ml. Cells were then fixed with 2% paraformaldehyde and washed with PBS. Cells were penetrated by dropping the supernatant and adding 90% methanol followed by incubation for 10 minutes at room temperature. Cells were blocked with a 2% solution of BSA-PBS for 30 min at room temperature and incubated with ab2860 at 2 ug/test for 60 min at room temperature. Cells were then incubated for 40 min at room temperature in the dark using a Dylight 488-conjugated goat anti-mouse IgG (H+L) secondary antibody and re-suspended in PBS for FACS analysis.

  • Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunofluorescent analysis of C6 (Rat glial tumor cell line) cells labeling Calmodulin ab2860. Calmodulin staining (green) F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with or an antibody recognizing Calmodulin ab2860 at a dilution of 1:50 over night at 4 ?C washed with PBS and incubated with a DyLight-488 conjugated secondary antibody. Images were taken at 60X magnification.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunohistochemistry was performed on normal biopsies of deparaffinized rat cerebellum tissue. To expose target proteins heat induced antigen retrieval was performed using 10mM sodium citrate (pH6.0) buffer microwaved for 8-15 minutes. Following antigen retrieval tissues were blocked in 3% BSA-PBS for 30 minutes at room temperature. Tissues were then probed at a dilution of 1:20 with a mouse monoclonal antibody recognizing Calmodulin ab2860 or without primary antibody (negative control) overnight at 4°C in a humidified chamber. Tissues were washed extensively with PBST and endogenous peroxidase activity was quenched with a peroxidase suppressor. Detection was performed using a biotin-conjugated secondary antibody and SA-HRP followed by colorimetric detection using DAB. Tissues were counterstained with hematoxylin and prepped for mounting.

  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Flow cytometry analysis of Calmodulin showing positive staining in the cytoplasm of PC-12 (Rat adrenal gland pheochromocytoma cell line) cells compared to an isotype control (blue). Cells were harvested and adjusted to a concentration of 1-5x10^6 cells/ml. Cells were then fixed with 2% paraformaldehyde and washed with PBS. Cells were penetrated by dropping the supernatant and adding 90% methanol followed by incubation for 10 minutes at room temperature. Cells were blocked with a 2% solution of BSA-PBS for 30 min at room temperature and incubated with ab2860 at 2 ug/test for 60 min at room temperature. Cells were then incubated for 40 min at room temperature in the dark using a Dylight 488-conjugated goat anti-mouse IgG (H+L) secondary antibody and re-suspended in PBS for FACS analysis.

  • Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunocytochemistry/ Immunofluorescence - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunofluorescent analysis of A2058 (Human metastatic melanoma cell line) cells labeling Calmodulin ab2860. Calmodulin staining (green) F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with or an antibody recognizing Calmodulin ab2860 at a dilution of 1:50 over night at 4 ?C washed with PBS and incubated with a DyLight-488 conjugated secondary antibody. Images were taken at 60X magnification.

  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Flow cytometry analysis of Calmodulin showing positive staining in the cytoplasm of MCF7 (Human breast adenocarcinoma cell line) cells compared to an isotype control (blue). Cells were harvested and adjusted to a concentration of 1-5x10^6 cells/ml. Cells were then fixed with 2% paraformaldehyde and washed with PBS. Cells were penetrated by dropping the supernatant and adding 90% methanol followed by incubation for 10 minutes at room temperature. Cells were blocked with a 2% solution of BSA-PBS for 30 min at room temperature and incubated with ab2860 at a dilution of 2 ug/test for 60 min at room temperature. Cells were then incubated for 40 min at room temperature in the dark using a Dylight 488-conjugated goat anti-mouse IgG (H+L) secondary antibody and re-suspended in PBS for FACS analysis.

  • Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Flow Cytometry - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Overlay histogram showing HeLa cells stained with ab2860 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab2860, 2µg/1x106 cells) for 30 min at 22ºC. The secondary antibody used was DyLight® 488 goat anti-mouse IgG (H+L) (ab96879) at 1/500 dilution for 30 min at 22ºC. Isotype control antibody (black line) was mouse IgG1 [ICIGG1] (ab91353, 2µg/1x106 cells ) used under the same conditions. Acquisition of >5,000 events was performed.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Calmodulin 1/2/3 antibody [2D1] (ab2860)

    Immunolocalization of calmodulin in rat brain cells using ab2860 (1:100)

实验方案

  • Flow cytometry protocols
  • Immunoprecipitation protocols
  • Immunohistochemistry protocols
  • Immunocytochemistry & immunofluorescence protocols

Click here to view the general protocols

数据表及文件

  • Datasheet download

    Download

文献 (10)

发表研究结果有使用 ab2860?请让我们知道,以便我们可以引用本数据表中的参考文章。

ab2860 被引用在 10 文献中.

  • Zhao H  et al. Single-Cell Transcriptomics of Human Oocytes: Environment-Driven Metabolic Competition and Compensatory Mechanisms During Oocyte Maturation. Antioxid Redox Signal 30:542-559 (2019). PubMed: 29486586
  • Hayrabedyan S  et al. Synthetic PreImplantation Factor (sPIF) induces posttranslational protein modification and reverses paralysis in EAE mice. Sci Rep 9:12876 (2019). PubMed: 31578341
  • Li T  et al. The interactome and spatial redistribution feature of Ca2+receptor protein calmodulin reveals a novel role in invadopodia-mediated invasion. Cell Death Dis 9:292 (2018). PubMed: 29463791
  • Salman MM  et al. Hypothermia increases aquaporin 4 (AQP4) plasma membrane abundance in human primary cortical astrocytes via a calcium/transient receptor potential vanilloid 4 (TRPV4)- and calmodulin-mediated mechanism. Eur J Neurosci 46:2542-2547 (2017). ELISA . PubMed: 28925524
  • Salman MM  et al. Transcriptome analysis suggests a role for the differential expression of cerebral aquaporins and the MAPK signalling pathway in human temporal lobe epilepsy. Eur J Neurosci 46:2121-2132 (2017). PubMed: 28715131
  • Ma Q  et al. The expression characteristics of FAM71D and its association with sperm motility. Hum Reprod 32:2178-2187 (2017). PubMed: 29025071
  • Oda T  et al. Detailed structural and biochemical characterization of the nexin-dynein regulatory complex. Mol Biol Cell 26:294-304 (2015). PubMed: 25411337
  • Li RK  et al. Iqcg is essential for sperm flagellum formation in mice. PLoS One 9:e98053 (2014). ICC/IF ; Mouse . PubMed: 24849454
  • Boraldi F  et al. Hypoxia influences the cellular cross-talk of human dermal fibroblasts. A proteomic approach. Biochim Biophys Acta 1774:1402-13 (2007). WB ; Human . PubMed: 17904921
  • Hulen D  et al. Production and specificity of monoclonal antibodies against calmodulin from Dictyostelium discoideum. Cell Motil Cytoskeleton 18:113-22 (1991). PubMed: 2013107

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1-8 of 8 Abreviews or Q&A

Western blot abreview for Anti-Calmodulin antibody [2D1]

Poor
Abreviews
Abreviews
abreview image
Application
Western blot
Sample
Schizosaccharomyces pombe Recombinant protein (N/A)
Loading amount
10 µg
Specification
N/A
Gel Running Conditions
Reduced Denaturing (15%)
Blocking step
Milk as blocking agent for 30 minute(s) · Concentration: 3% · Temperature: 20°C
Read More
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Abcam user community

Verified customer

提交于 Mar 09 2011

Question

Hallo,
ich benötige einen Calmodulin Antikörper, der gegen Calmodulin aus Wheat Germ gerichtet ist. Haben Sie solch einen Antikörper im Programm bzw. welchen könnte ich am besten nehmen? Können Sie mir dazu weitere Informationen geben?
Vielen Dank!

Read More

Abcam community

Verified customer

Asked on Apr 16 2012

Answer

Vielen Dank für Ihren Anruf und für Ihr Interesse an unseren Produkten.

Unter unseren anti-Calmodulin- Antikörpern ist ab2860 vermutlich der aussichtsreichste Kandidat: Das Immunogen (von Dictyostelium discoideum, SwissProtID P02599) weist eine Sequenzähnlichkeit von 83% gegen Calmodulin von Weizen (Triticum aestivum,P04464) auf. Daher ist eine Kreuzreaktivität von ab2860 sehr wahrscheinlich.

https://www.abcam.com/Calmodulin-123-antibody-2D1-ab2860.html (or use the following: https://www.abcam.com/Calmodulin-123-antibody-2D1-ab2860.html).

ab2860 können wir für die Anwendungen ELISA, Western blot und Durchflusszytometrie mit diversen Spezies (Ratte, Huhn etc) garantieren. Unseres Wissens nach wurde der Antikörper aber bisher noch nicht in mit Weizen getestet. Falls Sie dies selbst testen möchten, kann ich Ihnen zur Zeit ein spezielles Angebot über einen 100%igen Abreview-Rabatt anbieten. Bei diesem Angebot bekommen Sie einen kostenlosen primären Antikörper, wenn Sie uns ein Abreview mit dem Testresultat zusenden. Um von diesem Angebot profitieren zu können, folgen Sie bitte diesen Schritten:

1.) Bestätigen Sie mir bitte, dass Sie ab2860 mit Weizen testen möchten.

2.) Bitte bestellen Sie erst nach Erhalt des Rabattcodes.

3.) Bestellen Sie den Antikörper wie üblich per Telefon, Email oder Fax

4.) Testen Sie den Antikörper mit Weizen.

5.) Teilen Sie uns das Ergebnis Ihres Tests durch ein Abreview mit und notieren Sie den Discount Code in dem Feld "additional notes". Unter der folgenden URL können Sie mehr über unser Abreview System erfahren: https://www.abcam.com/abreviews

6.) Der Rabattcode ist nach dem Abschicken des Abreviews aktiv, und Sie können einen anderen primären Antikörper bei uns bestellen (halten Sie bei der Bestellung bitte den Rabattcode und die Bestellnummer bereit). Bitte beachten Sie, dass der Rabattcode innerhalb von 4 Monaten nach Ausstellung eingelöst werden muss.

Der Rabattcode wird gültig unabhängig davon, ob Ihr Ergebnis positiv oder negativ ist.

Die Bedingungen zu unserem 100% Abreview Rabatt können Sie unter dem folgenden Link nachlesen: https://www.abcam.com/collaborationdiscount

Ich hoffe, diese Informationen helfen Ihnen weiter. Falls Sie einen Rabattcode erhalten möchten oder weitere Fragen haben, zögern Sie bitte nicht, sich wieder an mich zu wenden.

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Abcam Scientific Support

回复于 Apr 16 2012

Question

BATCH NUMBER 167969 ORDER NUMBER 1638544 DESCRIPTION OF THE PROBLEM No signal or weak signal SAMPLE Bovine rod outer segments PRIMARY ANTIBODY ab2860-200 1:500 dilution in blocking buffer ON incubation 3x10min. washes in blocking buffer DETECTION METHOD ECL ANTIBODY STORAGE CONDITIONS Aliquoted and stored at -20C SAMPLE PREPARATION Bovine rod outer segments were isolated from retinas by gradient cetrifugation. The retinas were homogenized in 30% sucrose, 65mM NaCl, 2 mM MgCl2, 5 mM Hepes pH 7.4 and separated on a discontinuous sucrose gradient in 10 mM Hepes and 1 mM MgCl2. Isolated rod outer segments were resuspended in 10 mm Hepes pH 7.4 and solubilized with the addition of 1% NP-40. AMOUNT OF PROTEIN LOADED 30 micrograms, 15 micrograms, 3 micrograms, 1.5 micrograms ELECTROPHORESIS/GEL CONDITIONS reducing (5% BME) 10 % Bis-Tris Invitrogen gel; MES buffer TRANSFER AND BLOCKING CONDITIONS Transfer buffer (Invitrogen)/ 1 hour Blocking buffer: 5% non-fat milk in PBS pH 7.4 with 0.1% NP-40 SECONDARY ANTIBODY anti-mouse IgG horse radish peroxidase conjugated (Pierce)1:15,000 dilution/ 2 hours incubation 3x10 min. washes in blocking buffer blot store in PBS HOW MANY TIMES HAVE YOU TRIED THE APPLICATION? 4 HAVE YOU RUN A "NO PRIMARY" CONTROL? No DO YOU OBTAIN THE SAME RESULTS EVERY TIME? Yes

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Abcam community

Verified customer

Asked on Jul 12 2006

Answer

Thank you for your phone enquiry and questionaire. I'm sorry to hear you are having a problem with ab2860 (calmodulin Ab) in Western blotting. We have received other enquiries regarding this antibody and I would like to suggest the following modifications to your protocol: 1) Increase amount of protein loaded - try 50ug (others have even used 100ug) 2) Gel - increase gel percentage to 12-15%, this is better for smaller proteins; also, use PVDF membranes so smaller proteins won't run through 3) Blocking buffer - try straight milk in PBS and use straight PBS for washings (3X 5min) 4) Secondary Ab - does the product sheet suggest 1-15,000? Try 1:10,000. 5) Detection method - use ECL+, it's more sensitive than ECL. 6) Primary control - please include to know if weak signal is unspecific background staining. Please let me know if this helps, you can even e-mail me your blot! Do not hesitate to contact us for further advice.

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Abcam Scientific Support

回复于 Jul 13 2006

Question

Customer is using this antibody in Western blot on Chlamydomonas reinhardtii, and is seeing higher molecular weight bands, but no bands around 17kDa where expected. Sample: 20ul of lysate, protein concentration not known Block: 5% milk in TBST, RT 1h, also tried 2h 1: 1:500 in TBST with milk and without milk (no difference) O/N 4C 2: tried an AP and an HRP secondary. ECL+ was way too sensitive, black blot.

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Abcam community

Verified customer

Asked on Mar 07 2006

Answer

Thank you for your enquiry. I browsed the reference, Cell Mot. Cytoskel., 18: 113-122, 1991. There are a few suggestions, taken from the article, that I can give. These researchers had difficulty with their proteins transferring through the membrane. They recommended PVDF as the retention of calmodulin was better. If using nitrocellulose, you can place two pieces to prevent the small proteins from passing through the membrane and into the buffer. The originator has tested this product in BL21 (E.coli) cell lysates. They loaded 40-50 ug of protein from the cell lysate, an 18% gel was used and transfer conditions were with a semi-dry at 1 ampere for 1 hour. Normal immunoblotting parameters followed. The same was done with rat brain except 100 ug of protein was loaded. The originator has not tested this product in Chlamydomonas reinhardtii, the cross-reactivity information comes from a third party. I have enclosed a specific protocol below that might be of assistance. Please let me know if I can be of further assistance. Western blot detection of Calmodulin 1. Run samples on SDS/PAGE discontinuous gel (4% stacking gel, 15% running gel). Soak for 15 minutes in KP buffer (25 mM KH2/K2HPO4 buffer, pH 7.0). 2. Pre-wet Immobilon PVDF transfer membrane (Millpore) briefly in absolute methanol, and rinse for 15 minutes in KP buffer. 3. Transfer in KP buffer at 20 V overnight at 4°C. 4. Incubate membrane for 45 minutes at room temperature in 0.2% (v/v) glutaraldehyde freshly prepared in KP buffer. 5. Rinse in KP buffer and then block in 2% (w/v) BSA in TBS (20 mM Tris-HCl, 150 mM NaCl, pH 7.2) overnight at 4°C or 1 hour at 37°C. 6. Rinse the membrane in TBS containing 0.05% (v/v) Tween-20, 3 times for 10 minutes each at room temperature. (WASH) 7. Incubate with Anti-Calmodulin Antibody diluted in TBS for 1 hour at 37°C. 8. WASH. 9. Incubate with HRP-conjugated secondary, diluted in 2% BSA (w/v), 10% normal goat serum (v/v), 0.05 % Tween-20 (v/v), in TBS, for 1 hour at 37°C. 10. WASH. 11. Incubate membrane in AEC for up to 30 minutes at room temp for color development. AEC Solutions (Store at 4°C) Solution A: 0.17 g 3-amino-9-ethylcarbazole (AEC) in 10 ml dimethylformamide. Solution B: 0.47 g succinic acid, 2.38 g sodium acetate, 0.08 g thimerosal in dH2O to yield 20 ml final volume. Solution C: 3% (v/v) hydrogen peroxide in dH2O. Before use, mix 0.1 ml A, 0.2 ml B, 0.1 ml C in 9.6 ml dH2O. *Procedural details taken from D. Hulen, et. al. Cell Motility and the Cytoskeleton, 18: 113-122, 1991. The procedure listed above is intended only as a guide. The concentration of primary antibody listed here is a one that has been reported by users to have worked with the above procedure. Various assay conditions require that the optimal working concentrations be determined by serial dilution. The results that you obtain may vary depending on experimental conditions and technique.

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Abcam Scientific Support

回复于 Mar 07 2006

Question

BATCH NUMBER 130172 ORDER NUMBER 119538 DESCRIPTION OF THE PROBLEM No signal at all SAMPLE Tried 4 different species/cell extracts: CHO, HEK293, PC12 and DH5alpha bacteria (E.Coli). PRIMARY ANTIBODY Mouse mono to Calmodulin (ab2860-200) 1:500 as recommended, incubation at least 1hour, wash 4 times in PBS-0.5%tween for 10 min each with gentle rocking (also tried 1:1000) DETECTION METHOD ECL from Amersham POSITIVE AND NEGATIVE CONTROLS USED none ANTIBODY STORAGE CONDITIONS -20C, aliquoted, did not freeze/defreeze more than 2 times SAMPLE PREPARATION PC12(rat): lysed 2 confluent 10 cm plates in 500ul RIPA (1%NP40,0.1%deoxycholic acid, PBS pH 7.4, 1tablet prot.inh.) CHO and HEK293:lysed 2 confluent plates in 500 ul RIPA (0.5%NP40) DH5alpha: grow in 5 ml 2YT, spin, remove supt, lysed in 500ul GST lysis buffer(0.5%NP40, 1mMEDTA, 1 tablet prot.inh (Roche),PBS) NEVER heated any of the lysates above 4C. AMOUNT OF PROTEIN LOADED PC12 and DH5alpha: used 6X gel loading buffer,so I could load 40ul of lysate CHO and HEK293: loaded 25ul of lysate Did not measure the protein concentration, but this is what i load for other experiments and the other antibodies I use work fine. ELECTROPHORESIS/GEL CONDITIONS SDS-PAGE 10% TRANSFER AND BLOCKING CONDITIONS Transfer ON at 35 volts in Transfer buffer (57.7 g Glycine, 12 g Tris, 800 ml MeOH in 4L water) Blocking: 5% skim milk SECONDARY ANTIBODY HRP anti mouse, 1:5000, [ a competitor], at leas 1 hr in 5%milk-PBS-tween, wash 4 times in PBS-tween HAVE YOU RUN A "NO PRIMARY" CONTROL? No ADDITIONAL NOTES I have no signal at all even if I expose the film ON, I think that this batch of antibody might be bad. Maybe it does not react with human or mouse, but I don't see why it would not react with RAT or E.Coli. I don't know if it would work better at dilutions such as 1:200, but I think that this would be ridiculous and I would not want such a poor antibody anyway. If possible, we would like to be refunded, because we have wasted enough of time waiting for the antibody (3 weeks) and then testing it. We would like to simply buy it from another company.

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Abcam community

Verified customer

Asked on Feb 06 2006

Answer

I'm very sorry to hear you are experiencing problems with ab2860. I would also expect the lysates in rat and E.coli samples to work with this antibody, however there may be several reasons for the lack of signal you are currently experiencing. The problem could be due to the incubation time which is only 1 hour. I would recommend to incubate overnight at 4C to give plenty of time for the antibody to bind to the membrane. Our recommendation of 1/500 was optimized on a blot of purified Dictyostelium calmodulin and your samples may need more concentrated antibody. Although you say that your samples should contain plenty of protein I would recommend to determine the exact protein concentration in your lysates and add 30-40ug lysate per well. I would also like to suggest using an ECl+ detection method as ECl is less sensitive, and to make sure the protease inhibitors in your samples are fresh. You mention having defrosted the antibody " was aliquoted, did not freeze/defreeze more than 2 times". We recommend to use a fresh aliquot every time as some antibodies do not tolerate re-freezing. You mention blocking in milk but do not mention how long for. In our experience milk can actually prevent binding of the antibody if applied too much; I would therefore recommend trying a one hour blocking stage and incubating the antibody in TBST only, and also to try 5%BSA 1hr. I hope you will find those recommendations helpful. If you still experience problems with those changes please do not hesitate to contact me again and I will arrange a refund if the antibody was purchased in the last 90days,

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Abcam Scientific Support

回复于 Feb 07 2006

Question

Follow up to previous enquiry: Thank you for your reply. I also feel sorry for the problem of this anti-calmodulin antibody (ab2860). I have tried nuclear lysates prepared from 293T cell, Hela cell and 3T3 cell, but the endogenous calmodlin from none of them could be detected by ab2860 on Western Blots. The blocking buffer I used was TBST-milk(5%), 30mins incubation. The dilution buffer used for ab2860 was also TBST-milk (5%), and with overnight incubation. The dilution I used actually was 1:400. I won't be satisfied if it works in even lower dilution. Hope these details will help you somehow. I ordered this antibody on Jun 22nd. If it's possible, I would still prefer to get the refunding. The Purchase order No is 40206676 /H/A03/A030 and please tell what else would you like to know? Thank you anyway for your nice service! Hope your company will solve this problem soon!!

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Abcam community

Verified customer

Asked on Jul 04 2005

Answer

Thank you for those extra details about your protocol this helped me a lot as I looked deeper into the cross reactivity of this antibody with your samples: 293T and HeLa cells are from human origin and 3T3 cells are from mouse origin. This could be the reason for the lack of signal, the antibody has only been tested on Cow, Chicken, E. coli, Rat, Chlamydomonas reinhardtii and Dictyostelium discoideum, and though I couldn't find the immunogen sequence ( Dictyostelium discoideum calmodulin) I checked the homology of other proteins which cross reacted with ab2860, to have an idea of the homology between the species: for example the chicken protein and the human protein homology was 87%, which is high but not an exact match, therefore this can explain the lack of signal. We only offer a refund for antibodies not working in applications and species tested as detailed on the datasheet so I cannot offer you a refund, however I would recommend running a positive control of Dictyostelium cell lysate and to try an anti-calmodulin antibody which is known to cross react with most mammals (e.g. ab1288), I hope this will help you, please do not hesitate to contact me again if you need further assistance,

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Abcam Scientific Support

回复于 Jul 05 2005

Question

BATCH NUMBER 76769 ORDER NUMBER -- NOT SPECIFIED -- DESCRIPTION OF THE PROBLEM no band SAMPLE nuclear extract, endogenous protein PRIMARY ANTIBODY anti-calmodulin (ab2860) (1:500) DETECTION METHOD ECL POSITIVE AND NEGATIVE CONTROLS USED when I re-probed the same membrane with another anti-calmodulin antibody from different company, I did see the specific signal (around 17kDa). ANTIBODY STORAGE CONDITIONS aliquated and stored at -20?C 4?C in use SAMPLE PREPARATION in 200mM NaCl, 1% Triton, 2mM EDTA, EGTA, protease inhibitors.. AMOUNT OF PROTEIN LOADED 30 microgram ELECTROPHORESIS/GEL CONDITIONS 15% reducing gel TRANSFER AND BLOCKING CONDITIONS 1hr transfer, semidry 5% milk in TBST SECONDARY ANTIBODY anti mouse (1:5000) HOW MANY TIMES HAVE YOU TRIED THE APPLICATION? 2 HAVE YOU RUN A "NO PRIMARY" CONTROL? No DO YOU OBTAIN THE SAME RESULTS EVERY TIME? Yes ADDITIONAL NOTES it would be better if I could get a refund. Thank you!!

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Abcam community

Verified customer

Asked on Jul 01 2005

Answer

I'm sorry to hear you are having a problem with ab2860. We have not had a complaint about this antibody before. Thank you for taking the time to fill in our questionnaire, it helped me to understand your problem and it is useful to know that another antibody worked, pointing towards an incubation problem with ab2860 or a damaged antibody. Could you please clarify a few more details so I can understand even better your protocol: -what species are the samples -what blocking buffer was used and for how long -the dilution buffer used for ab2860 -the incubation time for ab2860 -have you tried a lower dilution? Our starting dilution of 1:500 is a recommendation and depending on the samples a final dilution may need to be used (eg 1:250-1:300)? Finally it would be good if I could find out your order details so I can look into possible delays in transport. I look forward to hearing from you to help you solve this matter, please be assured that should we find the antibody was at fault we will arrange a refund as requested, if you purchased the antibody in the last 90 days (I will need the order details to process the refund), My apologies for the delay,

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Abcam Scientific Support

回复于 Jul 03 2005

Question

Re: Calmodulin antibody (2D1, ab2860) and Calmodulin antibody (6D4, ab5494) We are planning an ELISA antibody-sandwich assay to determine rabbit heart calmodulin concentrations utilising the above-mentioned antibodies. We have two questions in this regard: 1. What epitopes do these antibodies recognise? Also, do these epitopes overlap, or are they sufficiently far away from each other to be used in an ELISA antibody sandwich assay? 2. Is any one of these antibodies available with an HRP label or some other label.

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Abcam community

Verified customer

Asked on Jul 26 2004

Answer

Thank you for your enquiry and for your patience. Regarding the specific epitope mapping, we have not performed these studies. Both immunogens were: Calmodulin purified from Dictyostelium discoideum and both antibodies have been tested for application in ELISA. However, that is all the information that we have at this time. These two antibodies are only available in the unconjugated form. If you have any more questions, please do contact us again.

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Abcam Scientific Support

回复于 Aug 06 2004

Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
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