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Link to original content: http://wikipedia.org/wiki/CD49b
Integrin alpha 2 - Wikipedia Jump to content

Integrin alpha 2

From Wikipedia, the free encyclopedia
(Redirected from CD49b)

ITGA2
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesITGA2, BR, CD49B, GPIa, HPA-5, VLA-2, VLAA2, integrin subunit alpha 2
External IDsOMIM: 192974; MGI: 96600; HomoloGene: 1662; GeneCards: ITGA2; OMA:ITGA2 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_002203

NM_008396

RefSeq (protein)

NP_002194

NP_032422

Location (UCSC)Chr 5: 52.99 – 53.09 MbChr 13: 114.97 – 115.07 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Integrin alpha-2, or CD49b (cluster of differentiation 49b), is a protein which in humans is encoded by the CD49b gene.

The CD49b protein is an integrin alpha subunit. It makes up half of the α2β1 integrin duplex. Integrins are heterodimeric integral membrane glycoproteins composed of a distinct alpha chain and a common beta chain. They are found on a wide variety of cell types including T cells (the NKT cells), NK cells, fibroblasts and platelets. Integrins are involved in cell adhesion and also participate in cell-surface-mediated signalling.[5]

Expression of CD49b in conjunction with LAG-3 has been used to identify type 1 regulatory (Tr1) cells.[6]

The DX5 monoclonal antibody recognizes mouse CD49b.[7]

Interactions

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CD49b has been shown to interact with MMP1.[8][9]

References

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  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000164171Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000015533Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ "Entrez Gene: ITGA2 integrin, alpha 2 (CD49B, alpha 2 subunit of VLA-2 receptor)".
  6. ^ Gagliani N, Magnani CF, Huber S, Gianolini ME, Pala M, Licona-Limon P, Guo B, Herbert DR, Bulfone A (2013-06-01). "Coexpression of CD49b and LAG-3 identifies human and mouse T regulatory type 1 cells". Nature Medicine. 19 (6): 739–746. doi:10.1038/nm.3179. ISSN 1546-170X. PMID 23624599. S2CID 21305032.
  7. ^ Arase H, Saito T, Phillips JH, Lanier LL (August 2001). "Cutting edge: the mouse NK cell-associated antigen recognized by DX5 monoclonal antibody is CD49b (alpha 2 integrin, very late antigen-2)". Journal of Immunology. 167 (3): 1141–4. doi:10.4049/jimmunol.167.3.1141. PMID 11466327.
  8. ^ Stricker TP, Dumin JA, Dickeson SK, Chung L, Nagase H, Parks WC, Santoro SA (Aug 2001). "Structural analysis of the alpha(2) integrin I domain/procollagenase-1 (matrix metalloproteinase-1) interaction". J. Biol. Chem. 276 (31): 29375–81. doi:10.1074/jbc.M102217200. PMID 11359774.
  9. ^ Dumin JA, Dickeson SK, Stricker TP, Bhattacharyya-Pakrasi M, Roby JD, Santoro SA, Parks WC (Aug 2001). "Pro-collagenase-1 (matrix metalloproteinase-1) binds the alpha(2)beta(1) integrin upon release from keratinocytes migrating on type I collagen". J. Biol. Chem. 276 (31): 29368–74. doi:10.1074/jbc.M104179200. PMID 11359786.
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Further reading

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