Gene Information
Gene NameGRB1
OrganismHomo sapiens (Human)
Gene Length724
Protein NamesPhosphatidylinositol 3-kinase regulatory subunit alpha (PI3-kinase regulatory subunit alpha) (PI3K regulatory subunit alpha) (PtdIns-3-kinase regulatory subunit alpha) (Phosphatidylinositol 3-kinase 85 kDa regulatory subunit alpha) (PI3-kinase subunit p85-alpha) (PtdIns-3-kinase regulatory subunit p85-alpha)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBP27986
Gene CardPIK3R1
Uniprot IDP27986
PfamPF16454; PF00620; PF00017
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityIsoform 2 is expressed in skeletal muscle and brain, and at lower levels in kidney and cardiac muscle. Isoform 2 and isoform 4 are present in skeletal muscle (at protein level). {ECO:0000269|PubMed:8628286}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.318826(Rat);0.108948(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1A0N  (NMR  1AZG  (NMR  1H9O  (X-ray  1.79A  1PBW  (X-ray  2.00A  1PHT  (X-ray  2.00A  1PIC  (NMR  1PKS  (NMR  1PKT  (NMR  2IUG  (X-ray  1.89A  2IUH  (X-ray  2.00A  2IUI  (X-ray  2.40A  2RD0  (X-ray  3.05A  2V1Y  (X-ray  2.40A  3HHM  (X-ray  2.80A  3HIZ  (X-ray  3.30A  3I5R  (X-ray  1.70A  3I5S  (X-ray  3.00A  4A55  (X-ray  3.50A  4JPS  (X-ray  2.20A  4L1B  (X-ray  2.59A  4L23  (X-ray  2.50A  4L2Y  (X-ray  2.80A  4OVU  (X-ray  2.96A  4OVV  (X-ray  3.50A  4WAF  (X-ray  2.39A  4YKN  (X-ray  2.90A  4ZOP  (X-ray  2.62A  5AUL  (X-ray  1.10A  5FI4  (X-ray  2.50A  5GJI  (X-ray  0.90A  5ITD  (X-ray  3.02A  5M6U  (X-ray  2.85A  5SW8  (X-ray  3.30A  5SWG  (X-ray  3.11A  5SWO  (X-ray  3.50A  5SWP  (X-ray  3.41A  5SWR  (X-ray  3.31A  5SWT  (X-ray  3.49A  5SX8  (X-ray  3.47A  5SX9  (X-ray  3.52A  5SXA  (X-ray  3.35A  5SXB  (X-ray  3.30A  5SXC  (X-ray  3.55A  5SXD  (X-ray  3.50A  5SXE  (X-ray  3.51A  5SXF  (X-ray  3.46A  5SXI  (X-ray  3.40A  5SXJ  (X-ray  3.42A  5SXK  (X-ray  3.55A  5UBT  (X-ray  2.83A  5UK8  (X-ray  2.50A  5UKJ  (X-ray  2.80A  5UL1  (X-ray  3.00A  5VLR  (X-ray  2.80A  5XGH  (X-ray  2.97A  5XGI  (X-ray  2.56A  5XGJ  (X-ray  2.97A  6NCT  (X-ray  3.35A  6PYR  (X-ray  2.21A  6PYU  (X-ray  2.54A  7CIO  (X-ray  1.10A  7LM2  (X-ray  2.79A  7LQ1  (X-ray  2.96A  7MYN  (EM  2.79A  7MYO  (EM  2.92A  7PG5  (X-ray  2.20A  7PG6  (X-ray  2.50A  7RNS  (X-ray  1.14A  7TZ7  (X-ray  2.41A 
DBSNP rs3730089  rs748784250  rs17852841  rs397514047  rs397515453 
Subcellular location [CC]NA
Mouse PG classificationNA
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