This gene encodes a member of the regulator of G-protein signaling family. This protein is located on the cytosolic side of the plasma membrane and contains a conserved, 120 amino acid motif called the RGS domain. The protein attenuates the signaling activity of G-proteins by binding to activated, GTP-bound G alpha subunits and acting as a GTPase activating protein (GAP), increasing the rate of conversion of the GTP to GDP. This hydrolysis allows the G alpha subunits to bind G beta/gamma subunit heterodimers, forming inactive G-protein heterotrimers, thereby terminating the signal.
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Protein Aliases: B-cell activation protein BL34; Early response protein 1R20; epididymis secretory protein Li 87; immediate-early response 1, B-cell specific; Regulator of G-protein signaling 1; regulator of G-protein signalling 1; RGS1
Gene Aliases: 1R20; BL34; HEL-S-87; IER1; IR20; RGS1