SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO01784
Pre Gene Modal
BGIBMGA006151
Annotation
integrin_beta4_[Bombyx_mori]
Full name
Integrin beta       + More
Integrin beta-3      
Integrin beta-6      
Alternative Name
Platelet membrane glycoprotein IIIa
Location in the cell
PlasmaMembrane   Reliability : 4.938
 

Sequence

CDS
ATGATTACTCAACACTGCTGGCCTGAATTCTCGGATGCCTGTGCGAAAAACTTCGAGGAACTACCGTCCGCGATGTTAAGAAGCAATAACGGGACGAAGTTACTGAGCATTAACTACATTGAACAATCCGTGCGGCCGTCTTCGCAATATGAACTGACCATAGAATACAACGCGGCGACTCAATCTCAGATAAAAATAGAAATCGTAAACTCGACGCAGACTAGGAATCTTAAATTTTCTGACACAACGAAATGCGAAAATTCTGAATGCACTGCAAAGATTGCGGTCAGGCCATTGGAAACGTTCTGCACGTCTTCCGGTAGTCCTTACGAATACGTATACGCGAACATTTTCTTTGTGGACCTGAACGAATCGACATTAGTGAAGTATTTGATTTCGTGCGCGTGTCCTTGTTCCGCCCAACCCGAACCAAACTCGGAGACGTGCCACAAGAACGGACAATTAATTTGTGGTATTTGCGAATGCTACGACGGATGGTCTGGAAGTTTCTGCAACGAAGCAGCTCAGACTCCAATAACGCCTGTTGTACCTACAATTGTTGAGAAGAAATCACCGAAATGTGAATATCACGGCCATTGGCTGTCAAGCGGAATTTGCGATTGCTTTAAAGGATGGACGGGAAAGAACTGCAACGTACTGAACTGCGGACGCAGACGTGGAGATATCGGCTGCAGTCGAACCAGTGAACTTGGGGAATGCTCAGGGAACGGTGAGTGCGACGCTTGCGGCGACGCCTGCGTCTGCAAAACCGACATCGAAGGGGCCCAGTACTTAGAAGCGGACAACAACTGCGTGGACCTGTGCATGACTGTTGAACAGTGCAAGGATTGTTTATCTAGCAACGGGCCGATGCAGTGTTCGAACTGCAACATTGTGAAGGACGCGTACAACCGTACCGTCTCGGAAGAGCTAGACTATTTAAACAGGAGAGTGTGGATGCATTGCAGCTACATCAACGTCACGACTGAGTGCAAAGTCTTGTATTTGGCGATGAGAGAAAACGAAGTTGTGCATATAATGATTGAGGACTATTGCGAGGTGTCAACGCCGGCCGGTCTGTTCGCGTCGCCGGTGACGTCGGTACTATTTGGACTACTAGCCGTGATATGCGCGGCGTCGCTAGTCGCTGTGGCCGTGTGGAAGTACTTCAATCGCATCCCAGCACAGGACTTGATAAAGCCAGGCTACATGAGCGTGGAGGCGGCCACAAGCACCGTACAGAACCCGGCCTACGTGACGCCGATCTCTTCGTTCATCAACCCTACGTACCAAAAATGCTGA
Protein
MITQHCWPEFSDACAKNFEELPSAMLRSNNGTKLLSINYIEQSVRPSSQYELTIEYNAATQSQIKIEIVNSTQTRNLKFSDTTKCENSECTAKIAVRPLETFCTSSGSPYEYVYANIFFVDLNESTLVKYLISCACPCSAQPEPNSETCHKNGQLICGICECYDGWSGSFCNEAAQTPITPVVPTIVEKKSPKCEYHGHWLSSGICDCFKGWTGKNCNVLNCGRRRGDIGCSRTSELGECSGNGECDACGDACVCKTDIEGAQYLEADNNCVDLCMTVEQCKDCLSSNGPMQCSNCNIVKDAYNRTVSEELDYLNRRVWMHCSYINVTTECKVLYLAMRENEVVHIMIEDYCEVSTPAGLFASPVTSVLFGLLAVICAASLVAVAVWKYFNRIPAQDLIKPGYMSVEAATSTVQNPAYVTPISSFINPTYQKC

Summary

Description
Integrin alpha-V/beta-3 (ITGAV:ITGB3) is a receptor for cytotactin, fibronectin, laminin, matrix metalloproteinase-2, osteopontin, osteomodulin, prothrombin, thrombospondin, vitronectin and von Willebrand factor. Integrin alpha-IIB/beta-3 (ITGA2B:ITGB3) is a receptor for fibronectin, fibrinogen, plasminogen, prothrombin, thrombospondin and vitronectin. Integrins alpha-IIB/beta-3 and alpha-V/beta-3 recognize the sequence R-G-D in a wide array of ligands. Integrin alpha-IIB/beta-3 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. This step leads to rapid platelet aggregation which physically plugs ruptured endothelial surfaces. Fibrinogen binding enhances SELP expression in activated platelets (PubMed:19332769). ITGAV:ITGB3 binds to fractalkine (CX3CL1) and acts as its coreceptor in CX3CR1-dependent fractalkine signaling. ITGAV:ITGB3 binds to NRG1 (via EGF domain) and this binding is essential for NRG1-ERBB signaling. ITGAV:ITGB3 binds to FGF1 and this binding is essential for FGF1 signaling. ITGAV:ITGB3 binds to FGF2 and this binding is essential for FGF2 signaling (By similarity). ITGAV:ITGB3 binds to IGF1 and this binding is essential for IGF1 signaling (By similarity). ITGAV:ITGB3 binds to IGF2 and this binding is essential for IGF2 signaling (By similarity). ITGAV:ITGB3 binds to IL1B and this binding is essential for IL1B signaling (By similarity). ITGAV:ITGB3 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 (By similarity). ITGAV:ITGB3 acts as a receptor for fibrillin-1 (FBN1) and mediates R-G-D-dependent cell adhesion to FBN1 (By similarity).
Integrin alpha-V:beta-6 (ITGAV:ITGB6) is a receptor for fibronectin and cytotactin (PubMed:17545607, PubMed:17158881). It recognizes the sequence R-G-D in its ligands (PubMed:17545607, PubMed:17158881). Internalisation of integrin alpha-V/beta-6 via clathrin-mediated endocytosis promotes carcinoma cell invasion (PubMed:17545607, PubMed:17158881). ITGAV:ITGB6 acts as a receptor for fibrillin-1 (FBN1) and mediates R-G-D-dependent cell adhesion to FBN1 (PubMed:17158881). Integrin alpha-V:beta-6 (ITGAV:ITGB6) mediates R-G-D-dependent release of transforming growth factor beta-1 (TGF-beta-1) from regulatory Latency-associated peptide (LAP), thereby playing a key role in TGF-beta-1 activation (PubMed:15184403, PubMed:22278742, PubMed:28117447).
(Microbial infection) Integrin ITGAV:ITGB6 acts as a receptor for Coxsackievirus A9 and Coxsackievirus B1.
(Microbial infection) Integrin ITGAV:ITGB6 acts as a receptor for Herpes simplex virus-1/HHV-1 (PubMed:24367260).
Subunit
Heterodimer of an alpha and a beta subunit (By similarity). Beta-3 (ITGB3) associates with either alpha-IIB (ITGA2B) or alpha-V (ITGAV). Interacts with FLNB and COMP (By similarity). Interacts with PDIA6 following platelet stimulation (By similarity). Interacts with SYK; upon activation by ITGB3 promotes platelet adhesion (By similarity). Interacts with MYO10 (By similarity). Interacts with DAB2 (PubMed:12606711). Interacts with FERMT2 (PubMed:18483218). Integrin ITGAV:ITGB3 interacts with FBLN5 (via N-terminus) (PubMed:11805835). Interacts with EMP2; regulates the levels of the heterodimer ITGA5:ITGB3 integrin expression on the plasma membrane (By similarity). ITGAV:ITGB3 interacts with CCN3 (By similarity). ITGAV:ITGB3 interacts with AGRA2 (By similarity). ITGAV:ITGB3 is found in a ternary complex with CX3CR1 and CX3CL1. ITGAV:ITGB3 is found in a ternary complex with NRG1 and ERBB3. ITGAV:ITGB3 is found in a ternary complex with FGF1 and FGFR1. ITGAV:ITGB3 interacts with FGF2; it is likely that FGF2 can simultaneously bind ITGAV:ITGB3 and FGF receptors (By similarity). ITGAV:ITGB3 binds to IL1B (By similarity). ITGAV:ITGB3 is found in a ternary complex with IGF1 and IGF1R (By similarity). ITGAV:ITGB3 interacts with IGF2 (By similarity). ITGAV:ITGB3 interacts with FBN1 (By similarity). ITGAV:ITGB3 interacts with CD9, CD81 and CD151 (via second extracellular domain) (By similarity). Interacts (via the allosteric site (site 2)) with CXCL12 in a CXCR4-independent manner (By similarity). Interacts with MXRA8/DICAM; the interaction inhibits ITGAV:ITGB3 heterodimer formation (PubMed:22492581). ITGAV:ITGB3 interacts with PTN. Forms a complex with PTPRZ1 and PTN that stimulates endothelial cell migration through ITGB3 Tyr-772 phosphorylation (By similarity).
Heterodimer of an alpha and a beta subunit (PubMed:11807098, PubMed:17545607, PubMed:17158881). Interacts with FLNB (PubMed:11807098). Interacts with HAX1 (PubMed:17545607). ITGAV:ITGB6 interacts with FBN1 (PubMed:17158881). ITGAV:ITGB6 interacts with TGFB1 (PubMed:22278742, PubMed:28117447).
(Microbial infection) Integrin ITGAV:ITGB6 interacts with coxsackievirus A9, coxsackievirus B1 capsid proteins (PubMed:9426447, PubMed:15194773).
(Microbial infection) Integrin ITGAV:ITGB6 interacts with herpes simplex virus-1/HHV-1 gH:gL proteins.
Similarity
Belongs to the integrin beta chain family.
Keywords
3D-structure   Cell adhesion   Cell junction   Cell membrane   Cell projection   Complete proteome   Disulfide bond   Glycoprotein   Integrin   Membrane   Phosphoprotein   Receptor   Reference proteome   Repeat   Signal   Transmembrane   Transmembrane helix   Alternative splicing   Amelogenesis imperfecta   Disease mutation   Host cell receptor for virus entry   Host-virus interaction   Polymorphism  
Feature
chain  Integrin beta
splice variant  In isoform 2.
sequence variant  In AI1H; dbSNP:rs140015315.
EMBL
KJ511857    AII79416.1    BABH01004757    BABH01004758    BABH01004759    BABH01004760    + More
KY346540    AQV03248.1    ODYU01001118    SOQ36885.1    NWSH01000013    PCG80850.1    AGBW02009882    OWR49658.1    AGBW02009374    OWR50968.1    KQ460855    KPJ11881.1    KQ459601    KPI94005.1    KQ971372    EFA10689.2    UFQS01000673    UFQT01000673    SSX06025.1    SSX26382.1    AAMC01124678    AAMC01124679    UFQS01003187    UFQT01003187    SSX15340.1    SSX34714.1    AHZZ02010501    CM001268    EHH25088.1    AQIA01028217    CM001291    EHH58231.1    AQIB01117870    JSUE03016688    BC169987    BC169991    CM004482    AAI69987.1    OCT62291.1    BC073343    AAH73343.1    L13591    AAA17427.1    AAQR03042280    AAQR03042281    ACTA01040108    EU867790    ACF93732.1    GFDF01006905    JAV07179.1    GFDF01006410    JAV07674.1    GFDF01006529    JAV07555.1    ACTA01050688    ACTA01058688    ACTA01066688    ACTA01074688    GFDF01006409    JAV07675.1    GL192494    EFB14276.1    GAMC01020742    GAMC01020741    GAMC01020740    GAMC01020739    GAMC01020738    JAB85816.1    GFDF01006407    JAV07677.1    GFDF01006408    JAV07676.1    GFDF01006406    JAV07678.1    KJ535130    AJF38203.1    AC080166    AC092153    AF026509    AK157958    AL603709    BX000996    CH466558    BC125518    BC125520    AK304203    BAG65080.1    AAGW02039896    AAEX03017055    M35198    AK313944    CH471058    BC121178    S49380    AACZ04071172    AC185328    GABE01000473    GABE01000472    GABE01000471    GABE01000469    JAA44267.1    AF170529    AAD51955.1    GABE01000470    JAA44269.1    GGFK01005275    MBW38596.1    GGFK01005281    MBW38602.1    AK290300    BAF82989.1    AAGW02013727    AAGW02013728    JH000347    EGV96758.1   
Pfam
PF18372   I-EGF_1        + More
PF08725   Integrin_b_cyt
PF07965   Integrin_B_tail
PF07974   EGF_2
PF00362   Integrin_beta
PF17205   PSI_integrin
Interpro
IPR040622   I-EGF_1        + More
IPR015812   Integrin_bsu       
IPR014836   Integrin_bsu_cyt_dom       
IPR036465   vWFA_dom_sf       
IPR032695   Integrin_dom_sf       
IPR013111   EGF_extracell       
IPR033760   Integrin_beta_N       
IPR002369   Integrin_bsu_VWA       
IPR012896   Integrin_bsu_tail       
IPR036349   Integrin_bsu_tail_dom_sf       
IPR027068   Integrin_beta-3       
IPR016201   PSI       
IPR027067   Integrin_beta-5       
IPR002035   VWF_A       
IPR015436   Integrin_bsu-6       
IPR011992   EF-hand-dom_pair       
IPR002048   EF_hand_dom       
SUPFAM
SSF69687   SSF69687        + More
SSF53300   SSF53300       
SSF69179   SSF69179       
SSF47473   SSF47473       
Gene 3D
PDB
6BXJ     E-value=1.55108e-11,     Score=168

Ontologies

GO
GO:0016021   GO:0007229   GO:0009986   GO:0033627   GO:0007160   GO:0005925   GO:0005178   GO:0008305   GO:0016477   GO:0007155   GO:0001968   GO:0070527   GO:0035866   GO:0001954   GO:0010763   GO:0007044   GO:0043277   GO:0048008   GO:0036120   GO:2000406   GO:1900026   GO:0098978   GO:0099699   GO:1903053   GO:0061097   GO:0032956   GO:0005080   GO:0048146   GO:0010628   GO:0009897   GO:0071133   GO:0033690   GO:0016324   GO:0038023   GO:0034684   GO:0043149   GO:0035987   GO:0090136   GO:0007179   GO:0005654   GO:0030054   GO:0005813   GO:0032587   GO:0042470   GO:0099149   GO:0031528   GO:0035868   GO:0042802   GO:0032147   GO:0050839   GO:0010888   GO:0050731   GO:0050840   GO:0048858   GO:0034446   GO:0005886   GO:0048661   GO:0050748   GO:0045766   GO:0030168   GO:0010745   GO:0034679   GO:0070374   GO:0072126   GO:0007566   GO:0010595   GO:0038027   GO:0014911   GO:0031527   GO:0070051   GO:0032369   GO:0034683   GO:0043235   GO:0016020   GO:0033630   GO:0045672   GO:1990314   GO:0035867   GO:0003756   GO:0001938   GO:0031589   GO:0045715   GO:0014823   GO:0046718   GO:0014909   GO:0071260   GO:0030335   GO:0019899   GO:0009314   GO:1900731   GO:0034113   GO:0008277   GO:0051279   GO:0030334   GO:0043184   GO:0002020   GO:0005634   GO:0002687   GO:0060548   GO:0045780   GO:0050919   GO:0031258   GO:0035690   GO:0034685   GO:0006954   GO:0038044   GO:1901388   GO:0001618   GO:0030198   GO:0005509  

Topology

Subcellular location
Membrane  
Cell membrane  
Cell projection  
Lamellipodium membrane  
Cell junction  
Focal adhesion  
Length:
433
Number of predicted TMHs:
1
Exp number of AAs in TMHs:
22.55924
Exp number, first 60 AAs:
0
Total prob of N-in:
0.00534
outside
1  -  364
TMhelix
365  -  387
inside
388  -  433
 
 

Population Genetic Test Statistics

Pi
237.163594
Theta
195.07975
Tajima's D
0.498285
CLR
0.471868
CSRT
0.508324583770811
Interpretation
Uncertain
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