Search
IQ motif & Sec7 domain-containing protein 1 (ADP-ribosylation factors guanine nucleotide-exchange protein 100, ADP-ribosylation factors guanine nucleotide-exchange protein 2, brefeldin-resistant Arf-GEF 2 protein, IQSEC1, ARFGEP100, BRAG2, KIAA0763)
Function:
- accelerates GTP gamma S binding by ARFs of all 3 classes
- guanine nucleotide exchange factor for ARF6
- mediates internalization of beta-1 integrin
Structure:
- belongs to the BRAG family
- contains 1 IQ domain
- contains 1 PH domain
- contains 1 SEC7 domain
Compartment:
- cytoplasm, nucleus
- at steady state, may be preferentially cytosolic
Alternative splicing: named isoforms=2
Expression:
- expressed in brain, ovary, heart, lung, liver, kidney, leukocytes > lung, skeletal muscle, placenta, small intestine, pancreas, spleen, testis
General
guanine nucleotide exchange factor (GDP/GTP dissociation stimulator, guanine nucleotide-releasing factor/protein, GNEF, GNDS, GDS)
phosphoprotein
Properties
SIZE: MW = 108 kD
entity length = 963 aa
COMPARTMENT: cytoplasm
cell nucleus
MOTIF: IQ motif {134-163}
Thr phosphorylation site {T362}
Ser phosphorylation site {S515}
sec7 domain
SITE: 517-710
PH domain {774-866}
coiled coil {848-879}
Database Correlations
UniProt Q6DN90
PFAM correlations
References
UniProt :accession Q6DN90