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Question (51023) | Natural Human Haptoglobin protein (ab77872)

We need haptoglobin protein, but separate haptoglobin I, II and III, not all together.

Thank you for your recent telephone enquiry.
I can confirm the following information regarding our haptoglobin proteins:

ab77872 Haptoglobin protein
This protein is purified from a mix of donors and so contains all 3 forms.

ab90924 Haptoglobin protein (Human)
Again, this is mixed

ab63120 ab83165 and ab83167 beta haptoglobin proteins:
Haptoglobin is a tetramer of two alpha and two beta chains, connected by disulfide bridges. The chains originate from a common precursor protein, which is proteolytically cleaved during protein synthesis. Our recombinant Haptoglobin β-chain comprises a 245 amino acid fragment (162-406) corresponding to the mature haptoglobin β-chain and is expressed in E. coli with an amino-terminal hexahistidine tag.

ab73587 Haptoglobin protein (His tag)

I have the sequence of the protein for you. However, I am sorry I have not yet confirmed which form of the protein this is. As soon as we have more information, I will get back to you.

VD SGNDVTDIAD DGCPKPPEIA HGYVEHSVRY QCKNYYKLRTE GDGVYTLND KKQWINKAVG DKLPECEADD GCPKPPEIAH GYVEHSVRYQ CKNYYKLRTE GDGVYTLNNE KQWINKAVGD KLPECEAVCG KPKNPANPVQ RILGGHLDAK GSFPWQAKMV SHHNLTTGAT LINEQWLLTT AKNLFLNHSE NATAKDIAPT LTLYVGKKQL VEIEKVVLHPNYSQVDIGLI KLKQKVSVNE RVMPICLPSK DYAEVGRVGY VSGWGRNANF KFTDHLKYVMLPVADQDQCI RHYEGSTVPE KKTPKSPVGV QPILNEHTFC AGMSKYQEDT CYGDAGSAFA VHDLEEDTWY ATGILSFDKS CAVAEYGVYV KVTSIQDWVQ KTIAEN

I can also confirm that regrettably these have not been tested in functional studies.

I am sorry we do not have the range of specific proteins you require on this occasion. If you have any further questions, please do not hesitate to contact us. Good luck with your research.

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