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| Term | CAAX-protein geranylgeranyltransferase activity | ID (Ontology) | GO:0004662 (Gene Ontology) |
| Definition | Catalysis of the reaction: geranylgeranyl diphosphate + protein-cysteine = S-geranylgeranyl-protein + diphosphate. This reaction is the formation of a thioether linkage between the C-1 atom of the geranylgeranyl group and a cysteine residue fourth from the C-terminus of the protein. The protein substrates have the C-terminal sequence CA1A2X, where the terminal residue, X, is preferably leucine and A2 should not be aromatic. Known substrates include most g-subunits of heterotrimeric G proteins and Ras-related GTPases such as members of the Ras and Rac/Rho families.[ EC:2 PubMed:8621375 ] | ||
| Also Known As | "geranylgeranyl-diphosphate:protein-cysteine geranyltransferase activity" ; "geranylgeranyltransferase type I activity" ; "GGTase-I activity" (for all, see Synonyms field below) | ||
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| Records annotated with this term OR any of its CHILD TERMS | |||
Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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protein prenyltransferase activity |__protein geranylgeranyltransferase activity |__CAAX-protein geranylgeranyltransferase activity 2 rec. |
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| Is a | protein geranylgeranyltransferase activity | ||
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External Crossreferences & Linkouts
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EC:2.5.1.59 MetaCyc:RXN-3701 Reactome:R-HSA-9947999 "FNTA:PGGT1B geranylgeranylates GBP2" Reactome:R-HSA-9954195 "FNTA:PGGT1B geranylgeranylates GBP5" |
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