This article is about a protein. For the third game in the Ratchet & Clank series, see Ratchet & Clank: Up Your Arsenal.
ras-related C3 botulinum toxin substrate 3 (rho family, small GTP binding protein Rac3)
Symbol RAC3
Entrez 5881
HUGO 9803
OMIM 602050
RefSeq NM_005052
UniProt P60763
Other data
Locus Chr. 17 q25.3

Rac3 (Ras-related C3 botulinum toxin substrate 3) is a small (~21 kDa) monomeric GTP-binding protein G protein and is an important component of intracellular signalling pathways. It is a member of the Rac subfamily of the Rho family of small G proteins and is encoded by the gene RAC3.[1][2]


  1. Courjal F, Chuchana P, Theillet C, Fort P (September 1997). "Structure and chromosomal assignment to 22q12 and 17qter of the ras-related Rac2 and Rac3 human genes.". Genomics. 44 (2): 242–6. doi:10.1006/geno.1997.4871. PMID 9299243.
  2. Haataja L, Groffen J, Heisterkamp N (August 1997). "Characterization of RAC3, a novel member of the Rho family". J. Biol. Chem. 272 (33): 20384–88. doi:10.1074/jbc.272.33.20384. PMID 9252344.

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