ID A0A3B3IU79_HUMAN Unreviewed; 811 AA.
AC A0A3B3IU79;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 18-JUN-2025, entry version 35.
DE SubName: Full=Integrin subunit alpha 2b {ECO:0000313|Ensembl:ENSP00000498119.1};
DE Flags: Fragment;
GN Name=ITGA2B {ECO:0000313|Ensembl:ENSP00000498119.1};
OS Homo sapiens (Human).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC Homo.
OX NCBI_TaxID=9606 {ECO:0000313|Ensembl:ENSP00000498119.1, ECO:0000313|Proteomes:UP000005640};
RN [1] {ECO:0000313|Ensembl:ENSP00000498119.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=11237011; DOI=10.1038/35057062;
RG International Human Genome Sequencing Consortium;
RA Lander E.S., Linton L.M., Birren B., Nusbaum C., Zody M.C., Baldwin J.,
RA Devon K., Dewar K., Doyle M., FitzHugh W., Funke R., Gage D., Harris K.,
RA Heaford A., Howland J., Kann L., Lehoczky J., LeVine R., McEwan P.,
RA McKernan K., Meldrim J., Mesirov J.P., Miranda C., Morris W., Naylor J.,
RA Raymond C., Rosetti M., Santos R., Sheridan A., Sougnez C.,
RA Stange-Thomann N., Stojanovic N., Subramanian A., Wyman D., Rogers J.,
RA Sulston J., Ainscough R., Beck S., Bentley D., Burton J., Clee C.,
RA Carter N., Coulson A., Deadman R., Deloukas P., Dunham A., Dunham I.,
RA Durbin R., French L., Grafham D., Gregory S., Hubbard T., Humphray S.,
RA Hunt A., Jones M., Lloyd C., McMurray A., Matthews L., Mercer S., Milne S.,
RA Mullikin J.C., Mungall A., Plumb R., Ross M., Shownkeen R., Sims S.,
RA Waterston R.H., Wilson R.K., Hillier L.W., McPherson J.D., Marra M.A.,
RA Mardis E.R., Fulton L.A., Chinwalla A.T., Pepin K.H., Gish W.R.,
RA Chissoe S.L., Wendl M.C., Delehaunty K.D., Miner T.L., Delehaunty A.,
RA Kramer J.B., Cook L.L., Fulton R.S., Johnson D.L., Minx P.J., Clifton S.W.,
RA Hawkins T., Branscomb E., Predki P., Richardson P., Wenning S., Slezak T.,
RA Doggett N., Cheng J.F., Olsen A., Lucas S., Elkin C., Uberbacher E.,
RA Frazier M., Gibbs R.A., Muzny D.M., Scherer S.E., Bouck J.B.,
RA Sodergren E.J., Worley K.C., Rives C.M., Gorrell J.H., Metzker M.L.,
RA Naylor S.L., Kucherlapati R.S., Nelson D.L., Weinstock G.M., Sakaki Y.,
RA Fujiyama A., Hattori M., Yada T., Toyoda A., Itoh T., Kawagoe C.,
RA Watanabe H., Totoki Y., Taylor T., Weissenbach J., Heilig R., Saurin W.,
RA Artiguenave F., Brottier P., Bruls T., Pelletier E., Robert C., Wincker P.,
RA Smith D.R., Doucette-Stamm L., Rubenfield M., Weinstock K., Lee H.M.,
RA Dubois J., Rosenthal A., Platzer M., Nyakatura G., Taudien S., Rump A.,
RA Yang H., Yu J., Wang J., Huang G., Gu J., Hood L., Rowen L., Madan A.,
RA Qin S., Davis R.W., Federspiel N.A., Abola A.P., Proctor M.J., Myers R.M.,
RA Schmutz J., Dickson M., Grimwood J., Cox D.R., Olson M.V., Kaul R.,
RA Raymond C., Shimizu N., Kawasaki K., Minoshima S., Evans G.A.,
RA Athanasiou M., Schultz R., Roe B.A., Chen F., Pan H., Ramser J.,
RA Lehrach H., Reinhardt R., McCombie W.R., de la Bastide M., Dedhia N.,
RA Blocker H., Hornischer K., Nordsiek G., Agarwala R., Aravind L.,
RA Bailey J.A., Bateman A., Batzoglou S., Birney E., Bork P., Brown D.G.,
RA Burge C.B., Cerutti L., Chen H.C., Church D., Clamp M., Copley R.R.,
RA Doerks T., Eddy S.R., Eichler E.E., Furey T.S., Galagan J., Gilbert J.G.,
RA Harmon C., Hayashizaki Y., Haussler D., Hermjakob H., Hokamp K., Jang W.,
RA Johnson L.S., Jones T.A., Kasif S., Kaspryzk A., Kennedy S., Kent W.J.,
RA Kitts P., Koonin E.V., Korf I., Kulp D., Lancet D., Lowe T.M.,
RA McLysaght A., Mikkelsen T., Moran J.V., Mulder N., Pollara V.J.,
RA Ponting C.P., Schuler G., Schultz J., Slater G., Smit A.F., Stupka E.,
RA Szustakowski J., Thierry-Mieg D., Thierry-Mieg J., Wagner L., Wallis J.,
RA Wheeler R., Williams A., Wolf Y.I., Wolfe K.H., Yang S.P., Yeh R.F.,
RA Collins F., Guyer M.S., Peterson J., Felsenfeld A., Wetterstrand K.A.,
RA Patrinos A., Morgan M.J., de Jong P., Catanese J.J., Osoegawa K.,
RA Shizuya H., Choi S., Chen Y.J.;
RT "Initial sequencing and analysis of the human genome.";
RL Nature 409:860-921(2001).
RN [2] {ECO:0000313|Ensembl:ENSP00000498119.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=15496913; DOI=10.1038/nature03001;
RG International Human Genome Sequencing Consortium;
RT "Finishing the euchromatic sequence of the human genome.";
RL Nature 431:931-945(2004).
RN [3] {ECO:0000313|Ensembl:ENSP00000498119.1, ECO:0000313|Proteomes:UP000005640}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=16625196; DOI=10.1038/nature04689;
RA Zody M.C., Garber M., Adams D.J., Sharpe T., Harrow J., Lupski J.R.,
RA Nicholson C., Searle S.M., Wilming L., Young S.K., Abouelleil A.,
RA Allen N.R., Bi W., Bloom T., Borowsky M.L., Bugalter B.E., Butler J.,
RA Chang J.L., Chen C.K., Cook A., Corum B., Cuomo C.A., de Jong P.J.,
RA DeCaprio D., Dewar K., FitzGerald M., Gilbert J., Gibson R., Gnerre S.,
RA Goldstein S., Grafham D.V., Grocock R., Hafez N., Hagopian D.S., Hart E.,
RA Norman C.H., Humphray S., Jaffe D.B., Jones M., Kamal M., Khodiyar V.K.,
RA LaButti K., Laird G., Lehoczky J., Liu X., Lokyitsang T., Loveland J.,
RA Lui A., Macdonald P., Major J.E., Matthews L., Mauceli E., McCarroll S.A.,
RA Mihalev A.H., Mudge J., Nguyen C., Nicol R., O'Leary S.B., Osoegawa K.,
RA Schwartz D.C., Shaw-Smith C., Stankiewicz P., Steward C., Swarbreck D.,
RA Venkataraman V., Whittaker C.A., Yang X., Zimmer A.R., Bradley A.,
RA Hubbard T., Birren B.W., Rogers J., Lander E.S., Nusbaum C.;
RT "DNA sequence of human chromosome 17 and analysis of rearrangement in the
RT human lineage.";
RL Nature 440:1045-1049(2006).
RN [4] {ECO:0000313|Ensembl:ENSP00000498119.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (MAR-2025) to UniProtKB.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004479,
CC ECO:0000256|RuleBase:RU003762}; Single-pass type I membrane protein
CC {ECO:0000256|ARBA:ARBA00004479, ECO:0000256|RuleBase:RU003762}.
CC -!- SIMILARITY: Belongs to the integrin alpha chain family.
CC {ECO:0000256|ARBA:ARBA00008054, ECO:0000256|RuleBase:RU003762}.
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DR EMBL; AC003043; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR EMBL; AC007722; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR MassIVE; A0A3B3IU79; -.
DR Antibodypedia; 4350; 1999 antibodies from 52 providers.
DR Ensembl; ENST00000648408.1; ENSP00000498119.1; ENSG00000005961.19.
DR HGNC; HGNC:6138; ITGA2B.
DR VEuPathDB; HostDB:ENSG00000005961; -.
DR GeneTree; ENSGT00940000160724; -.
DR OrthoDB; 5317514at2759; -.
DR ChiTaRS; ITGA2B; human.
DR Proteomes; UP000005640; Chromosome 17.
DR Bgee; ENSG00000005961; Expressed in monocyte and 130 other cell types or tissues.
DR ExpressionAtlas; A0A3B3IU79; baseline and differential.
DR GO; GO:0008305; C:integrin complex; IEA:InterPro.
DR GO; GO:0005886; C:plasma membrane; IDA:HPA.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0007155; P:cell adhesion; IEA:UniProtKB-KW.
DR GO; GO:0007229; P:integrin-mediated signaling pathway; IEA:UniProtKB-KW.
DR FunFam; 2.60.40.1510:FF:000001; Integrin alpha V; 1.
DR FunFam; 2.60.40.1460:FF:000001; Integrin, alpha V; 1.
DR Gene3D; 2.130.10.130; Integrin alpha, N-terminal; 1.
DR Gene3D; 2.60.40.1460; Integrin domains. Chain A, domain 2; 1.
DR Gene3D; 2.60.40.1510; ntegrin, alpha v. Chain A, domain 3; 1.
DR Gene3D; 2.60.40.1530; ntegrin, alpha v. Chain A, domain 4; 1.
DR InterPro; IPR013517; FG-GAP.
DR InterPro; IPR013519; Int_alpha_beta-p.
DR InterPro; IPR000413; Integrin_alpha.
DR InterPro; IPR018184; Integrin_alpha_C_CS.
DR InterPro; IPR013649; Integrin_alpha_Ig-like_1.
DR InterPro; IPR048285; Integrin_alpha_Ig-like_2.
DR InterPro; IPR048286; Integrin_alpha_Ig-like_3.
DR InterPro; IPR028994; Integrin_alpha_N.
DR InterPro; IPR032695; Integrin_dom_sf.
DR PANTHER; PTHR23220; INTEGRIN ALPHA; 1.
DR PANTHER; PTHR23220:SF73; INTEGRIN ALPHA-IIB; 1.
DR Pfam; PF01839; FG-GAP; 2.
DR Pfam; PF08441; Integrin_A_Ig_1; 1.
DR Pfam; PF20805; Integrin_A_Ig_2; 1.
DR Pfam; PF20806; Integrin_A_Ig_3; 1.
DR Pfam; PF00357; Integrin_alpha; 1.
DR PRINTS; PR01185; INTEGRINA.
DR SMART; SM00191; Int_alpha; 4.
DR SUPFAM; SSF69318; Integrin alpha N-terminal domain; 1.
DR SUPFAM; SSF69179; Integrin domains; 3.
DR PROSITE; PS51470; FG_GAP; 3.
PE 1: Evidence at protein level;
KW Calcium {ECO:0000256|ARBA:ARBA00022837};
KW Cell adhesion {ECO:0000256|ARBA:ARBA00022889,
KW ECO:0000256|RuleBase:RU003762};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW Integrin {ECO:0000256|ARBA:ARBA00023037, ECO:0000256|RuleBase:RU003762};
KW Membrane {ECO:0000256|ARBA:ARBA00023136};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Proteomics identification {ECO:0007829|PeptideAtlas:A0A3B3IU79,
KW ECO:0007829|ProteomicsDB:A0A3B3IU79};
KW Receptor {ECO:0000256|ARBA:ARBA00023170, ECO:0000256|RuleBase:RU003762};
KW Reference proteome {ECO:0000313|Proteomes:UP000005640};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Signal {ECO:0000256|ARBA:ARBA00022729};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989}.
FT REPEAT 117..182
FT /note="FG-GAP"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00803"
FT REPEAT 184..243
FT /note="FG-GAP"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00803"
FT REPEAT 246..307
FT /note="FG-GAP"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00803"
FT DOMAIN 292..442
FT /note="Integrin alpha first immunoglubulin-like"
FT /evidence="ECO:0000259|Pfam:PF08441"
FT DOMAIN 444..584
FT /note="Integrin alpha second immunoglobulin-like"
FT /evidence="ECO:0000259|Pfam:PF20805"
FT DOMAIN 590..793
FT /note="Integrin alpha third immunoglobulin-like"
FT /evidence="ECO:0000259|Pfam:PF20806"
FT NON_TER 1
FT /evidence="ECO:0000313|Ensembl:ENSP00000498119.1"
SQ SEQUENCE 811 AA; 88148 MW; 3F567A9DAEC585A5 CRC64;
XAGWDKRYCE AGFSSVVTQA GELVLGAPGG YYFLGLLAQA PVADIFSSYR PGILLWHVSS
QSLSFDSSNP EYFDGYWGYS VAVGEFDGDL NTTEYVVGAP TWSWTLGAVE ILDSYYQRLH
RLRGEQMASY FGHSVAVTDV NGDGRHDLLV GAPLYMESRA DRKLAEVGRV YLFLQPRGPH
ALGAPSLLLT GTQLYGRFGS AIAPLGDLDR DGYNDIAVAA PYGGPSGRGQ VLVFLGQSEG
LRSRPSQVLD SPFPTGSAFG FSLRGAVDID DNGYPDLIVG AYGANQVAVY RAQPVVKASV
QLLVQDSLNP AVKSCVLPQT KTPVSCFNIQ MCVGATGHNI PQKLSLNAEL QLDRQKPRQG
RRVLLLGSQQ AGTTLNLDLG GKHSPICHTT MAFLRDEADF RDKLSPIVLS LNVSLPPTEA
GMAPAVVLHG DTHVQEQTRI VLDCGEDDVC VPQLQLTASV TGSPLLVGAD NVLELQMDAA
NEGEGAYEAE LAVHLPQGAH YMRALSNVEG FERLICNQKK ENETRVVLCE LGNPMKKNAQ
IGIAMLVSVG NLEEAGESVS FQLQIRSKNS QNPNSKIVLL DVPVRAEAQV ELRGNSFPAS
LVVAAEEGER EQNSLDSWGP KVEHTYELHN NGPGTVNGLH LSIHLPGQSQ PSDLLYILDI
QPQGGLQCFP QPPVNPLKVD WGLPIPSPSP IHPAHHKRDR RQIFLPEPEQ PSRLQDPVLV
SCDSAPCTVV QCDLQEMARG QRAMVTVLAF LWLPSLYQRP LDQFVLQSHA WFNVSSLPYA
VPPLSLPRGE AQVGFFKRNR PPLEEDDEEG E
//
