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RAP1B, member of RAS oncogene family
PDB 1c1y EBI.jpg
PDB rendering based on 1c1y.
Available structures
PDB Ortholog search: PDBe, RCSB
Symbols RAP1B ; K-REV; RAL1B
External IDs OMIM179530 MGI894315 HomoloGene68719 GeneCards: RAP1B Gene
Species Human Mouse
Entrez 5908 215449
Ensembl ENSG00000127314 ENSMUSG00000052681
UniProt P61224 Q99JI6
RefSeq (mRNA) NM_001010942 NM_024457
RefSeq (protein) NP_001010942 NP_077777
Location (UCSC) Chr 12:
69 – 69.05 Mb
Chr 10:
117.81 – 117.85 Mb
PubMed search [1] [2]

Ras-related protein Rap-1b, also known as GTP-binding protein smg p21B, is a protein that in humans is encoded by the RAP1B gene.[1][2][3][4]


  1. ^ "Entrez Gene: RAP1B". 
  2. ^ Pizon V, Lerosey I, Chardin P, Tavitian A (August 1988). "Nucleotide sequence of a human cDNA encoding a ras-related protein (rap1B)". Nucleic Acids Res. 16 (15): 7719. doi:10.1093/nar/16.15.7719. PMC 338441. PMID 3137530. 
  3. ^ Matsui Y, Kikuchi A, Kawata M, Kondo J, Teranishi Y, Takai Y (January 1990). "Molecular cloning of smg p21B and identification of smg p21 purified from bovine brain and human platelets as smg p21B". Biochem. Biophys. Res. Commun. 166 (2): 1010–6. doi:10.1016/0006-291X(90)90911-6. PMID 2105724. 
  4. ^ Rousseau-Merck MF, Pizon V, Tavitian A, Berger R (1990). "Chromosome mapping of the human RAS-related RAP1A, RAP1B, and RAP2 genes to chromosomes 1p12----p13, 12q14, and 13q34, respectively". Cytogenet. Cell Genet. 53 (1): 2–4. doi:10.1159/000132883. PMID 2108841. 

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