MetaCyc Pathway: ppGpp metabolism in Rhodospirillum rubrum S1H

Reactions and Genes	carbon source anaerobic Succinic Acid 31.25 mM
Nucleoside-diphosphate kinase: GDP + ATP→GTP + ADP (EC 2.7.4.6)
Rru_A2169	N.D.
GTP diphosphokinase: GTP + ATP→pppGpp + AMP + H+ (EC 2.7.6.5)
Rru_A1856	N.D.
Guanosine-5'-triphosphate,3'-diphosphate diphosphatase: pppGpp + H2O→ppGpp + H+ + phosphate (EC 3.6.1.40)
Rru_A0246	+2.1
Rru_A2160	N.D.
Guanosine-3',5'-bis(diphosphate) 3'-diphosphatase: pppGpp + H2O→GTP + diphosphate (EC 3.1.7.2)
Rru_A1856	N.D.
Guanosine-3',5'-bis(diphosphate) 3'-diphosphatase: ppGpp + H2O→GDP + diphosphate (EC 3.1.7.2)
Rru_A1856	N.D.
GTP diphosphokinase: GDP + ATP→ppGpp + AMP + H+ (EC 2.7.6.5)
Rru_A1856	N.D.

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