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- Table of Contents
3 Citations 2 Q&As
Facts about Integrin alpha-IIb.
It recognizes the sequence H-H-L-G-G-G-A-K-Q-A-G-D-V in fibrinogen gamma chain. Following activation integrin alpha- IIb/beta-3 brings about platelet/platelet interaction through binding of soluble fibrinogen.
Human | |
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Gene Name: | ITGA2B |
Uniprot: | P08514 |
Entrez: | 3674 |
Belongs to: |
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integrin alpha chain family |
CD41 antigen; CD41; CD41BHPA3; GP2B; GP2Bintegrin alpha-IIb; GPalpha IIb; GPIIb; GTA; HPA3; Integrin alpha 2b; integrin, alpha 2b (platelet glycoprotein IIb of IIb/IIIa complex, antigenCD41); integrin, alpha 2b (platelet glycoprotein IIb of IIb/IIIa complex, antigenCD41B); ITGA2b; ITGAB; platelet fibrinogen receptor, alpha subunit; Platelet membrane glycoprotein IIb; platelet-specific antigen BAK
Mass (kDA):
113.377 kDA
Human | |
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Location: | 17q21.31 |
Sequence: | 17; NC_000017.11 (44372181..44389649, complement) |
Isoform 1 and isoform 2 are expressed in platelets and megakaryocytes, but not in reticulocytes. Not detected in Jurkat, nor in U937 cell lines (PubMed:2351656). Isoform 3 is expressed in prostate adenocarcinoma, as well as in several erythroleukemia, prostate adenocarcinoma and melanoma cell lines, including PC-3, DU-145, HEL, WM983A, WM983B and WM35. Not detected in platelets, nor in normal prostate (at protein level) (PubMed:9809974).
Membrane; Single-pass type I membrane protein.
PMID: 2439501 by Poncz M., et al. Structure of the platelet membrane glycoprotein IIb. Homology to the alpha subunits of the vitronectin and fibronectin membrane receptors.
PMID: 2345548 by Frachet P., et al. GPIIb and GPIIIa amino acid sequences deduced from human megakaryocyte cDNAs.
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