ID   6.5.1.9
DE   cyclic 2,3-diphosphoglycerate synthase.
CA   (2R)-2,3-bisphosphoglycerate + ATP + H(+) = ADP + cyclic (2R)-2,3-
CA   bisphosphoglycerate + phosphate.
CC   -!- The enzyme is present in a number of methanogenic archaeal genera
CC       that accumulate cyclic 2,3-bisphosphoglycerate as a thermoprotectant.
CC   -!- Activity is stimulated by potassium ions.
DR   O93732, CPGS_METFV ;  Q8TY02, CPGS_METKA ;  A5UJB8, CPGS_METS3 ;
DR   Q2NHT6, CPGS_METST ;  O26325, CPGS_METTH ;  Q9V2C5, CPGS_PYRAB ;
DR   Q8U4K6, CPGS_PYRFU ;  O74083, CPGS_PYRHO ;  Q1AVG0, CPGS_RUBXD ;
DR   C5A4R5, CPGS_THEGJ ;  Q5JDW8, CPGS_THEKO ;  B6YVF3, CPGS_THEON ;
DR   C6A0T3, CPGS_THESM ;
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