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Cell division cycle 42
PDB rendering based on 1a4r.
Available structures
PDB Ortholog search: PDBe, RCSB
Symbols CDC42 ; CDC42Hs; G25K
External IDs OMIM116952 MGI106211 HomoloGene123986 ChEMBL: 6088 GeneCards: CDC42 Gene
RNA expression pattern
PBB GE CDC42 208728 s at tn.png
PBB GE CDC42 208727 s at tn.png
PBB GE CDC42 210232 at tn.png
More reference expression data
Species Human Mouse
Entrez 998 12540
Ensembl ENSG00000070831 ENSMUSG00000006699
UniProt P60953 P60766
RefSeq (mRNA) NM_001039802 NM_001243769
RefSeq (protein) NP_001034891 NP_001230698
Location (UCSC) Chr 1:
22.05 – 22.09 Mb
Chr 4:
137.32 – 137.36 Mb
PubMed search [1] [2]

Cell division control protein 42 homolog also known as CDC42 is a protein involved in regulation of the cell cycle. In humans, CDC42 is encoded by the CDC42 gene.[1][2]


Human CDC42 is a small GTPase of the Rho family, which regulates signaling pathways that control diverse cellular functions including cell morphology, migration, endocytosis and cell cycle progression. This protein is highly similar to Saccharomyces cerevisiae Cdc 42, and is able to complement the yeast cdc42-1 mutant. The product of oncogene Dbl was reported to specifically catalyze the dissociation of GDP from this protein. This protein could regulate actin polymerization through its direct binding to Neural Wiskott-Aldrich syndrome protein (N-WASP), which subsequently activates Arp2/3 complex. Alternative splicing of this gene results in multiple transcript variants.[3]


CDC42 has been shown to interact with:


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Further reading[edit]

External links[edit]