| UniProt ID | ITA4_HUMAN | |
|---|---|---|
| UniProt AC | P13612 | |
| Protein Name | Integrin alpha-4 | |
| Gene Name | ITGA4 | |
| Organism | Homo sapiens (Human). | |
| Sequence Length | 1032 | |
| Subcellular Localization |
Membrane Single-pass type I membrane protein. |
|
| Protein Description | Integrins alpha-4/beta-1 (VLA-4) and alpha-4/beta-7 are receptors for fibronectin. They recognize one or more domains within the alternatively spliced CS-1 and CS-5 regions of fibronectin. They are also receptors for VCAM1. Integrin alpha-4/beta-1 recognizes the sequence Q-I-D-S in VCAM1. Integrin alpha-4/beta-7 is also a receptor for MADCAM1. It recognizes the sequence L-D-T in MADCAM1. On activated endothelial cells integrin VLA-4 triggers homotypic aggregation for most VLA-4-positive leukocyte cell lines. It may also participate in cytolytic T-cell interactions with target cells. ITGA4:ITGB1 binds to fractalkine (CX3CL1) and may act as its coreceptor in CX3CR1-dependent fractalkine signaling. [PubMed: 23125415 ITGA4:ITGB1 binds to PLA2G2A via a site (site 2) which is distinct from the classical ligand-binding site (site 1) and this induces integrin conformational changes and enhanced ligand binding to site 1] | |
| Protein Sequence | MAWEARREPGPRRAAVRETVMLLLCLGVPTGRPYNVDTESALLYQGPHNTLFGYSVVLHSHGANRWLLVGAPTANWLANASVINPGAIYRCRIGKNPGQTCEQLQLGSPNGEPCGKTCLEERDNQWLGVTLSRQPGENGSIVTCGHRWKNIFYIKNENKLPTGGCYGVPPDLRTELSKRIAPCYQDYVKKFGENFASCQAGISSFYTKDLIVMGAPGSSYWTGSLFVYNITTNKYKAFLDKQNQVKFGSYLGYSVGAGHFRSQHTTEVVGGAPQHEQIGKAYIFSIDEKELNILHEMKGKKLGSYFGASVCAVDLNADGFSDLLVGAPMQSTIREEGRVFVYINSGSGAVMNAMETNLVGSDKYAARFGESIVNLGDIDNDGFEDVAIGAPQEDDLQGAIYIYNGRADGISSTFSQRIEGLQISKSLSMFGQSISGQIDADNNGYVDVAVGAFRSDSAVLLRTRPVVIVDASLSHPESVNRTKFDCVENGWPSVCIDLTLCFSYKGKEVPGYIVLFYNMSLDVNRKAESPPRFYFSSNGTSDVITGSIQVSSREANCRTHQAFMRKDVRDILTPIQIEAAYHLGPHVISKRSTEEFPPLQPILQQKKEKDIMKKTINFARFCAHENCSADLQVSAKIGFLKPHENKTYLAVGSMKTLMLNVSLFNAGDDAYETTLHVKLPVGLYFIKILELEEKQINCEVTDNSGVVQLDCSIGYIYVDHLSRIDISFLLDVSSLSRAEEDLSITVHATCENEEEMDNLKHSRVTVAIPLKYEVKLTVHGFVNPTSFVYGSNDENEPETCMVEKMNLTFHVINTGNSMAPNVSVEIMVPNSFSPQTDKLFNILDVQTTTGECHFENYQRVCALEQQKSAMQTLKGIVRFLSKTDKRLLYCIKADPHCLNFLCNFGKMESGKEASVHIQLEGRPSILEMDETSALKFEIRATGFPEPNPRVIELNKDENVAHVLLEGLHHQRPKRYFTIVIISSSLLLGLIVLLLISYVMWKAGFFKRQYKSILQEENRRDSWSYINSKSNDD | |
| Overview of Protein Modification Sites with Functional and Structural Information | ||
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* ASA = Accessible Surface Area
| Locations | Modification | Substrate Peptides & Secondary Structure |
ASA (%) | Reference | Orthologous Protein Cluster |
|---|---|---|---|---|---|
| 79 | N-linked_Glycosylation | PTANWLANASVINPG CCCHHHCCCCCCCCC | 30.49 | 19349973 | |
| 79 | N-linked_Glycosylation | PTANWLANASVINPG CCCHHHCCCCCCCCC | 30.49 | 19349973 | |
| 95 | Ubiquitination | IYRCRIGKNPGQTCE EEEEECCCCCCCCCE | 58.56 | 22505724 | |
| 116 | Ubiquitination | PNGEPCGKTCLEERD CCCCCCCCCCCCCCC | 42.66 | 22505724 | |
| 117 | Phosphorylation | NGEPCGKTCLEERDN CCCCCCCCCCCCCCC | 13.96 | 29978859 | |
| 130 | Phosphorylation | DNQWLGVTLSRQPGE CCCEEEEEEECCCCC | 19.74 | 29978859 | |
| 132 | Phosphorylation | QWLGVTLSRQPGENG CEEEEEEECCCCCCC | 21.36 | 29978859 | |
| 138 | N-linked_Glycosylation | LSRQPGENGSIVTCG EECCCCCCCCEEECC | 56.26 | UniProtKB CARBOHYD | |
| 140 | Phosphorylation | RQPGENGSIVTCGHR CCCCCCCCEEECCCC | 26.01 | 29978859 | |
| 143 | Phosphorylation | GENGSIVTCGHRWKN CCCCCEEECCCCCEE | 15.88 | 29978859 | |
| 149 | Ubiquitination | VTCGHRWKNIFYIKN EECCCCCEEEEEEEC | 39.87 | 29967540 | |
| 155 | Ubiquitination | WKNIFYIKNENKLPT CEEEEEEECCCCCCC | 46.99 | 29967540 | |
| 159 | Ubiquitination | FYIKNENKLPTGGCY EEEECCCCCCCCCCC | 50.06 | 29967540 | |
| 162 | Phosphorylation | KNENKLPTGGCYGVP ECCCCCCCCCCCCCC | 57.55 | 29083192 | |
| 166 | Phosphorylation | KLPTGGCYGVPPDLR CCCCCCCCCCCHHHH | 25.16 | 29083192 | |
| 189 | Ubiquitination | PCYQDYVKKFGENFA HHHHHHHHHHHHCHH | 35.83 | 22505724 | |
| 190 | Ubiquitination | CYQDYVKKFGENFAS HHHHHHHHHHHCHHH | 48.86 | 29967540 | |
| 229 | N-linked_Glycosylation | TGSLFVYNITTNKYK CCEEEEEEECCCEEE | 21.59 | UniProtKB CARBOHYD | |
| 236 | Ubiquitination | NITTNKYKAFLDKQN EECCCEEEHHHCCCC | 33.98 | 29967540 | |
| 241 | Ubiquitination | KYKAFLDKQNQVKFG EEEHHHCCCCCCCCC | 53.98 | 29967540 | |
| 280 | Ubiquitination | PQHEQIGKAYIFSID CCHHHCCCEEEEECC | 39.38 | 29967540 | |
| 289 | Ubiquitination | YIFSIDEKELNILHE EEEECCHHHHHHHHH | 64.85 | 29967540 | |
| 298 | Ubiquitination | LNILHEMKGKKLGSY HHHHHHHCCCCCHHH | 65.67 | 29967540 | |
| 300 | Ubiquitination | ILHEMKGKKLGSYFG HHHHHCCCCCHHHCC | 39.03 | - | |
| 331 | Phosphorylation | LVGAPMQSTIREEGR CCCCCCCCEECCCCC | 21.39 | 27174698 | |
| 332 | Phosphorylation | VGAPMQSTIREEGRV CCCCCCCEECCCCCE | 13.73 | 27174698 | |
| 363 | Ubiquitination | TNLVGSDKYAARFGE HCCCCCHHHHHHHCC | 38.19 | - | |
| 412 | Phosphorylation | GRADGISSTFSQRIE CCCCCCCHHHHHHHH | 31.39 | - | |
| 480 | N-linked_Glycosylation | LSHPESVNRTKFDCV CCCHHHCCCCCCCHH | 56.00 | 19349973 | |
| 480 | N-linked_Glycosylation | LSHPESVNRTKFDCV CCCHHHCCCCCCCHH | 56.00 | 19349973 | |
| 499 | Phosphorylation | PSVCIDLTLCFSYKG CCEEEEEEEEEECCC | 20.10 | 30576142 | |
| 503 | Phosphorylation | IDLTLCFSYKGKEVP EEEEEEEECCCCCCC | 25.57 | 30576142 | |
| 512 | Phosphorylation | KGKEVPGYIVLFYNM CCCCCCEEEEEEEEE | 5.04 | 26074081 | |
| 517 | Phosphorylation | PGYIVLFYNMSLDVN CEEEEEEEEEECCCC | 13.04 | 26074081 | |
| 518 | N-linked_Glycosylation | GYIVLFYNMSLDVNR EEEEEEEEEECCCCC | 13.26 | 19349973 | |
| 518 | N-linked_Glycosylation | GYIVLFYNMSLDVNR EEEEEEEEEECCCCC | 13.26 | 19349973 | |
| 520 | Phosphorylation | IVLFYNMSLDVNRKA EEEEEEEECCCCCCC | 20.13 | 26074081 | |
| 538 | N-linked_Glycosylation | PRFYFSSNGTSDVIT CCEEECCCCCCCEEE | 57.47 | 19349973 | |
| 538 | N-linked_Glycosylation | PRFYFSSNGTSDVIT CCEEECCCCCCCEEE | 57.47 | 19349973 | |
| 590 | Ubiquitination | LGPHVISKRSTEEFP CCCCEECCCCCCCCC | 38.96 | 29967540 | |
| 606 | Ubiquitination | LQPILQQKKEKDIMK CHHHHHHHHHHHHHH | 50.36 | 22505724 | |
| 607 | Ubiquitination | QPILQQKKEKDIMKK HHHHHHHHHHHHHHH | 66.70 | - | |
| 614 | Ubiquitination | KEKDIMKKTINFARF HHHHHHHHHHCHHHH | 36.94 | 29967540 | |
| 626 | N-linked_Glycosylation | ARFCAHENCSADLQV HHHHCCCCCCCCEEE | 18.38 | UniProtKB CARBOHYD | |
| 634 | Phosphorylation | CSADLQVSAKIGFLK CCCCEEEEEEEEEEC | 15.75 | - | |
| 641 | Ubiquitination | SAKIGFLKPHENKTY EEEEEEECCCCCCEE | 41.91 | 29967540 | |
| 645 | N-linked_Glycosylation | GFLKPHENKTYLAVG EEECCCCCCEEEEEC | 38.65 | 19349973 | |
| 645 | N-linked_Glycosylation | GFLKPHENKTYLAVG EEECCCCCCEEEEEC | 38.65 | 19349973 | |
| 646 | Ubiquitination | FLKPHENKTYLAVGS EECCCCCCEEEEECC | 35.25 | - | |
| 656 | Phosphorylation | LAVGSMKTLMLNVSL EEECCCEEEEEEEEE | 14.57 | 28348404 | |
| 660 | N-linked_Glycosylation | SMKTLMLNVSLFNAG CCEEEEEEEEEEECC | 13.84 | 19349973 | |
| 660 | N-linked_Glycosylation | SMKTLMLNVSLFNAG CCEEEEEEEEEEECC | 13.84 | 19349973 | |
| 662 | Phosphorylation | KTLMLNVSLFNAGDD EEEEEEEEEEECCCC | 26.60 | 28348404 | |
| 734 | Phosphorylation | SFLLDVSSLSRAEED EEEECHHHHCCCCCC | 30.16 | - | |
| 760 | Ubiquitination | EEEMDNLKHSRVTVA HHHHHHCCCCEEEEE | 45.87 | - | |
| 771 | Ubiquitination | VTVAIPLKYEVKLTV EEEEEEEEEEEEEEE | 33.73 | 29967540 | |
| 806 | N-linked_Glycosylation | TCMVEKMNLTFHVIN EEEEEECEEEEEEEE | 47.17 | 19349973 | |
| 806 | N-linked_Glycosylation | TCMVEKMNLTFHVIN EEEEEECEEEEEEEE | 47.17 | UniProtKB CARBOHYD | |
| 813 | N-linked_Glycosylation | NLTFHVINTGNSMAP EEEEEEEECCCCCCC | 40.62 | 19349973 | |
| 813 | N-linked_Glycosylation | NLTFHVINTGNSMAP EEEEEEEECCCCCCC | 40.62 | 19349973 | |
| 821 | N-linked_Glycosylation | TGNSMAPNVSVEIMV CCCCCCCCEEEEEEC | 29.20 | UniProtKB CARBOHYD | |
| 867 | Ubiquitination | VCALEQQKSAMQTLK HHHHHHHHHHHHHHH | 39.62 | 29967540 | |
| 873 | Ubiquitination | QKSAMQTLKGIVRFL HHHHHHHHHHHHHHH | 2.42 | 21906983 | |
| 906 | Ubiquitination | NFLCNFGKMESGKEA HHHHHCCCCCCCCEE | 35.04 | 29967540 | |
| 924 | Phosphorylation | IQLEGRPSILEMDET EEECCCCCEEEECCC | 38.14 | - | |
| 1010 | Ubiquitination | GFFKRQYKSILQEEN CHHHHHHHHHHCHHH | 23.76 | - | |
| 1011 | Phosphorylation | FFKRQYKSILQEENR HHHHHHHHHHCHHHC | 24.48 | 29255136 | |
| 1021 | Phosphorylation | QEENRRDSWSYINSK CHHHCHHCCHHHHCC | 18.99 | 18707149 | |
| 1023 | Phosphorylation | ENRRDSWSYINSKSN HHCHHCCHHHHCCCC | 21.78 | 23401153 | |
| 1024 | Phosphorylation | NRRDSWSYINSKSND HCHHCCHHHHCCCCC | 9.62 | 23927012 | |
| 1027 | Phosphorylation | DSWSYINSKSNDD-- HCCHHHHCCCCCC-- | 28.09 | 23927012 | |
| 1028 | Ubiquitination | SWSYINSKSNDD--- CCHHHHCCCCCC--- | 49.11 | 22505724 | |
| 1029 | Phosphorylation | WSYINSKSNDD---- CHHHHCCCCCC---- | 45.36 | - | |
| 1034 | Ubiquitination | SKSNDD--------- CCCCCC--------- | 21906983 |
| Modified Location | Modified Residue | Modification | Type of Upstream Proteins | Gene Name of Upstream Proteins | UniProt AC of Upstream Proteins | Sources |
|---|---|---|---|---|---|---|
| 1021 | S | Phosphorylation | Kinase | PRKACA | P17612 | GPS |
| 1021 | S | Phosphorylation | Kinase | PKA-FAMILY | - | GPS |
| 1027 | S | Phosphorylation | Kinase | PKA_GROUP | - | PhosphoELM |
| Modified Location | Modified Residue | Modification | Function | Reference |
|---|---|---|---|---|
| 1027 | S | Phosphorylation |
| 11533025 |
* Distance = the distance between SAP position and PTM sites.
| Modified Location | Modification | Variant Position (Distance <= 10) |
Residue Change | SAP | Related Disease | Reference |
|---|---|---|---|---|---|---|
Oops, there are no SNP-PTM records of ITA4_HUMAN !! | ||||||
| Kegg Disease | ||||||
|---|---|---|---|---|---|---|
| There are no disease associations of PTM sites. | ||||||
| OMIM Disease | ||||||
| There are no disease associations of PTM sites. | ||||||
| Kegg Drug | ||||||
| D06590 | Firategrast (USAN) | |||||
| D06886 | Natalizumab (INN); Tysabri (TN) | |||||
| D08083 | Vedolizumab (USAN) | |||||
| D09901 | Etrolizumab (USAN/INN) | |||||
| D10028 | Valategrast hydrochloride (USAN) | |||||
| DrugBank | ||||||
| There are no disease associations of PTM sites. | ||||||
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| N-linked Glycosylation | |
| Reference | PubMed |
| "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins."; Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M.,Schiess R., Aebersold R., Watts J.D.; Nat. Biotechnol. 27:378-386(2009). Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-480; ASN-518; ASN-538 ANDASN-645, AND MASS SPECTROMETRY. | |
| Phosphorylation | |
| Reference | PubMed |
| "Quantitative phosphoproteomic analysis of T cell receptor signalingreveals system-wide modulation of protein-protein interactions."; Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K.,Rodionov V., Han D.K.; Sci. Signal. 2:RA46-RA46(2009). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-1021, AND MASSSPECTROMETRY. | |
| "Phosphorylation of the integrin alpha 4 cytoplasmic domain regulatespaxillin binding."; Han J., Liu S., Rose D.M., Schlaepfer D.D., McDonald H.,Ginsberg M.H.; J. Biol. Chem. 276:40903-40909(2001). Cited for: PHOSPHORYLATION AT SER-1021, AND MUTAGENESIS OF SER-1021. | |