Rho GDP-dissociation inhibitor 1, also known ARHGDIA, belong to the RAS gene superfamily encoding small guanine nucleotide exchange (GTP/GDP) factors. Localized to the cytoplasm, ARHGDIA inhibits the dissociation of GDP from Rho proteins, thereby preventing GTP from binding to and subsequently activating Rho proteins. In humans ARHGDIA can be phosphorylated at Ser 101 by p21-activated kinase, an event that inhibits ARHGDIA activity and may result in positive feedback regulation of certain ARHGDIA target proteins.
Source:
Recombinant corresponding to aa24-204 of human ARHGDIA protein, fused to His-tag at N-terminus, expressed in E.coli.
AA Sequence:
MGSSHHHHHH SSGLVPRGSH MSVNYKPPAQ KSIQEIQELD KDDESLRKYK EALLGRVAVS ADPNVPNVVV TGLTLVCSSA PGPLELDLTG DLESFKKQSF VLKEGVEYRI KISFRVNREI VSGMKYIQHT YRKGVKIDKT DYMVGSYGPR AEEYEFLTPV EEAPKGMLAR GSYSIKSRFT DDDKTDHLSW EWNLTIKKDW KD
Molecular Weight: 22.9kD (202aa) confirmed by MALDI-TOF
Storage and Stability:
May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 6 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.