Descriptions

The Vav family is a group of tyrosine phosphorylation-dependent guanine nucleotide exchange factors (GEFs) that activate members of the Rac and Rho families of guanosine triphosphatases (GTPases) downstream of protein tyrosine kinases. When the tyrosine residues within the acidic (Ac) region are non-phosphorylated, the CH domain and Ac region occlude the GTPase-binding site within DH domain. The interaction is stabilized by the interaction between the hydroxyl group of Tyr174 within Ac region and GTPase binding site as well as the interaction between CH domain and DH-PH domains. The Y174F mutant displays constitutive and phosphorylation-independent catalytic activity. In addition to the N-terminal autoinhibitory regions, the truncation of C-terminal SH3 domain also relives the autoinhibition. C-terminal SH3 domain interacts with DH-PH domains and the intramolecular interaction occludes the GTPase-binding site of DH domain.

Autoinhibitory domains (AIDs)

Target domain

193-371 (DH domain)

Relief mechanism

Partner binding, PTM

Assay

Accessory elements

No accessory elements

Autoinhibited structure

Activated structure

1 structures for Q60992

Entry ID Method Resolution Chain Position Source
AF-Q60992-F1 Predicted AlphaFoldDB

44 variants for Q60992

Variant ID(s) Position Change Description Diseaes Association Provenance
rs3388535652 75 I>S No EVA
rs3388540851 77 T>I No EVA
rs3388538827 81 V>F No EVA
rs3388542112 138 D>V No EVA
rs3388540550 141 V>I No EVA
rs3388538922 157 D>N No EVA
rs3388537903 169 D>G No EVA
rs3388537797 179 E>* No EVA
rs3388537916 181 Q>K No EVA
rs3388540552 189 T>I No EVA
rs3388538232 200 E>V No EVA
rs3388532265 235 V>I No EVA
rs3388532211 246 H>Y No EVA
rs3388532205 255 V>M No EVA
rs3388542086 265 A>D No EVA
rs3388537835 283 S>N No EVA
rs3388540862 287 H>Y No EVA
rs261140679 295 L>V No EVA
rs3388532221 350 E>K No EVA
rs3388538786 404 D>E No EVA
rs229567277 449 F>L No EVA
rs3391247590 451 K>T No EVA
rs3391377053 454 D>N No EVA
rs3388538193 508 K>N No EVA
rs3388537807 520 T>I No EVA
rs3388537949 524 T>S No EVA
rs3388538602 552 H>D No EVA
rs3388538602 552 H>Y No EVA
rs3388538872 558 V>A No EVA
rs3388537909 559 I>F No EVA
rs3388537888 593 P>L No EVA
rs3388538223 596 K>R No EVA
rs3388540548 626 T>I No EVA
rs3388540849 628 K>R No EVA
rs3388537814 678 K>N No EVA
rs3388537866 712 V>SDG* No EVA
rs3388538207 740 H>Y No EVA
rs3388532262 745 S>R No EVA
rs864293105 763 T>S No EVA
rs3388538824 773 A>T No EVA
rs3391310758 788 L>P No EVA
rs3388538239 807 V>G No EVA
rs3388538628 812 V>M No EVA
rs3388541181 824 E>G No EVA

No associated diseases with Q60992

13 regional properties for Q60992

Type Name Position InterPro Accession
domain Dbl homology (DH) domain 193 - 371 IPR000219
domain SH2 domain 661 - 757 IPR000980
conserved_site Guanine-nucleotide dissociation stimulator, CDC24, conserved site 320 - 345 IPR001331
domain SH3 domain 576 - 642 IPR001452-1
domain SH3 domain 806 - 867 IPR001452-2
domain Calponin homology domain 1 - 120 IPR001715
domain Pleckstrin homology domain 400 - 504 IPR001849
domain Protein kinase C-like, phorbol ester/diacylglycerol-binding domain 513 - 562 IPR002219
domain Calmodulin-regulated spectrin-associated protein-like, Calponin-homology domain 19 - 103 IPR022613
domain VAV2 protein, second SH3 domain 809 - 866 IPR035732
domain VAV2 protein, first SH3 domain 580 - 639 IPR035733
domain VAV2, SH2 domain 657 - 759 IPR035880
domain Vav, PH domain 384 - 506 IPR037832

Functions

Description
EC Number
Subcellular Localization
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

3 GO annotations of cellular component

Name Definition
cytoplasm The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
cytosol The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

4 GO annotations of molecular function

Name Definition
epidermal growth factor receptor binding Binding to an epidermal growth factor receptor.
guanyl-nucleotide exchange factor activity Stimulates the exchange of GDP to GTP on a signaling GTPase, changing its conformation to its active form. Guanine nucleotide exchange factors (GEFs) act by stimulating the release of guanosine diphosphate (GDP) to allow binding of guanosine triphosphate (GTP), which is more abundant in the cell under normal cellular physiological conditions.
metal ion binding Binding to a metal ion.
phosphotyrosine residue binding Binding to a phosphorylated tyrosine residue within a protein.

7 GO annotations of biological process

Name Definition
angiogenesis Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels.
cell migration The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues.
cell projection assembly Formation of a prolongation or process extending from a cell, e.g. a flagellum or axon.
lamellipodium assembly Formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.
positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction Any process that activates or increases the frequency, rate or extent of protein kinase B signaling, a series of reactions mediated by the intracellular serine/threonine kinase protein kinase B.
regulation of cell size Any process that modulates the size of a cell.
small GTPase-mediated signal transduction The series of molecular signals in which a small monomeric GTPase relays a signal.

8 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
Q9NHV9 Vav Protein vav Drosophila melanogaster (Fruit fly) SS
P15498 VAV1 Proto-oncogene vav Homo sapiens (Human) EV SS
Q9UKW4 VAV3 Guanine nucleotide exchange factor VAV3 Homo sapiens (Human) SS
P52735 VAV2 Guanine nucleotide exchange factor VAV2 Homo sapiens (Human) SS
P27870 Vav1 Proto-oncogene vav Mus musculus (Mouse) EV
Q9R0C8 Vav3 Guanine nucleotide exchange factor VAV3 Mus musculus (Mouse) SS
P54100 Vav1 Proto-oncogene vav Rattus norvegicus (Rat) SS
Q45FX5 vav-1 Protein vav-1 Caenorhabditis elegans SS
10 20 30 40 50 60
MEQWRQCGRW LIDCKVLPPN HRVVWPSAVV FDLAQALRDG VLLCQLLHNL SPGSIDLKDI
70 80 90 100 110 120
NFRPQMSQFL CLKNIRTFLK VCHDKFGLRN SELFDPFDLF DVRDFGKVIS AVSRLSLHSI
130 140 150 160 170 180
AQSKGIRPFP SEETAENDDD VYRSLEELAD EHDLGEDIYD CVPCEDEGDD IYEDIIKVEV
190 200 210 220 230 240
QQPMKMGMTE DDKRSCCLLE IQETEAKYYR TLEDIEKNYM GPLRLVLSPA DMAAVFINLE
250 260 270 280 290 300
DLIKVHHSFL RAIDVSMMAG GSTLAKVFLE FKERLLIYGE YCSHMEHAQS TLNQLLASRE
310 320 330 340 350 360
DFRQKVEECT LRVQDGKFKL QDLLVVPMQR VLKYHLLLKE LLSHSADRPE RQQLKEALEA
370 380 390 400 410 420
MQDLAMYINE VKRDKETLKK ISEFQCSIEN LQVKLEEFGR PKIDGELKVR SIVNHTKQDR
430 440 450 460 470 480
YLFLFDKVVI VCKRKGYSYE LKEVIELLFH KMTDDPMHNK DIKKWSYGFY LIHLQGKQGF
490 500 510 520 530 540
QFFCKTEDMK RKWMEQFEMA MSNIKPDKAN ANHHSFQMYT FDKTTNCKAC KMFLRGTFYQ
550 560 570 580 590 600
GYLCTRCGVG AHKECLEVIP PCKMSSPADV DAPGAGPGPK MVAVQNYHGN PAPPGKPVLT
610 620 630 640 650 660
FQTGDVIELL RGDPDSPWWE GRLVQTRKSG YFPSSSVKPC PVDGRPPTGR PPSREIDYTA
670 680 690 700 710 720
YPWFAGNMER QQTDNLLKSH ASGTYLIRER PAEAERFAIS IKFNDEVKHI KVVEKDSWIH
730 740 750 760 770 780
ITEAKKFESL LELVEYYQCH SLKESFKQLD TTLKFPYKSR ERTTSRASSR SPASCASYNF
790 800 810 820 830 840
SFLSPQGLSF APQAPSAPFW SVFTPRVIGT AVARYNFAAR DMRELSLREG DVVKIYSRIG
850 860
GDQGWWKGET NGRIGWFPST YVEEEGVQ