MetaCyc Pathway: superpathway of guanine and guanosine salvage in Methanococcus maripaludis JJ

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Reactions and Genes H2 N-free with 2mM Adenosine
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Inosine kinase:
guanosine + ATP→GMP + ADP + H+ (EC 2.7.1.73)
MMJJ_RS03080 +9.6
Purine-nucleoside phosphorylase:
guanosine + phosphate→guanine + α-D-ribose-1-phosphate (EC 2.4.2.1; 2.4.2.15)
MMJJ_RS04465 +1.7
Hypoxanthine phosphoribosyltransferase (in reverse):
guanine + 5-phospho-α-D-ribose 1-diphosphate→GMP + diphosphate (EC 2.4.2.8)
MMJJ_RS01590 +3.2
MMJJ_RS04660 +3.2

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information