FUNCTION : INVOLVED IN THE DE NOVO SYNTHESIS OF GUANINE NUCLEOTIDES WHICH ARE NOT ONLY ESSENTIAL FOR DNA AND RNA SYNTHESIS, BUT ALSO PROVIDE GTP, WHICH IS INVOLVED IN A NUMBER OF CELLULAR PROCESSES IMPORTANT FOR CELL DIVISION. CATALYTIC ACTIVITY : ATP + xanthosine 5'-phosphate + L-glutamine + H 2O = AMP + diphosphate + GMP + L-glutamate. PATHWAY : GMP biosynthesis. SUBUNIT : Homodimer (By similarity) . SUBCELLULAR LOCATION : Cytoplasmic. SIMILARITY : IN THE C-TERMINAL SECTION; BELONGS TO THE GMP SYNTHASE FAMILY. SIMILARITY : Contains 1 type-1 glutamine amidotransferase domain. |
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19-MAR-03
Last Update 19-Mar-03