protein geranylgeranyltransferase type II EC#: 2.5.1.60; ChemWhat Code: 1377971
| Product Name | protein geranylgeranyltransferase type II |
| Example Structure |  |
| Synonyms | AtRGTA1, AtRGTA2, AtRGTB1, geranylgeranyl transferase type I subunit alpha 1, geranylgeranyl transferase type I subunit alpha 2, geranylgeranyl transferase type II subunit beta 1, geranylgeranyl transferase type II subunit beta 2, geranylgeranyl transferase type-1 subunit alpha 1, geranylgeranyl transferase type-2 subunit alpha 2, geranylgeranyl transferase type-2 subunit beta 1, geranylgeranyl transferase type-2 subunit beta 2, geranylgeranyltransferase II, geranylgeranyltransferase type II, GGT2, GGTase-II, GGTaseII, PGGT-II, protein geranylgeranyltransferase type-II, Rab geranylgeranyl transferase, Rab geranylgeranyl transferase alpha subunit 2, Rab geranylgeranyl transferase beta subunit 1, Rab geranylgeranyl transferase beta subunit 2, Rab geranylgeranyl transferase lpha subunit 1, Rab geranylgeranyl-transferase, Rab geranylgeranyltransferase, Rab geranylgeranyltransferase type II, Rab GG transferase, Rab GGTase, RAB-GGT, Rab-GGT alpha 1, Rab-GGT alpha 2, Rab-GGT beta 1, Rab-GGT beta 2, RabGGT, RabGGTase, Rabggtb, REP/GGTase, RGGT, RGT alphabeta, RGTA1, RGTA2, RGTB1, RGTB2 |
| EC Number | 2.5.1.60 |
| CAS Registry Number | |
| Comments | This enzyme, along with protein farnesyltransferase (EC 2.5.1.58) and protein geranylgeranyltransferase type I (EC 2.5.1.59), constitutes the protein prenyltransferase family of enzymes. Attaches geranylgeranyl groups to two C-terminal cysteines in Ras-related GTPases of a single family, the Rab family (Ypt/Sec4 in lower eukaryotes) that terminate in XXCC, XCXC and CCXX motifs. Reaction is entirely dependent on the Rab substrate being bound to Rab escort protein (REP). Post-translational modification with the geranylgeranyl moiety is essential for Rab GTPases to be able to control the processes of membrane docking and fusion [5]. |
| Cofactor | |
| History | |
| Reactions | Geranylgeranyl diphosphate + protein-cysteine = S-geranylgeranyl- protein + diphosphate. |
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