Status Description Organism Genes References
glutamate--putrescine ligase Acidiphilium cryptum GHET-541
glutamate--putrescine ligase Asticcacaulis excentricus GJ7A-1005
glutamate--putrescine ligase Asticcacaulis excentricus GJ7A-1774
glutamate--putrescine ligase Acidiphilium multivorum puuA
gamma-glutamylputrescine synthetase Acidiphilium multivorum puuA
gamma-glutamylputrescine synthetase Acinetobacter radioresistens GM6F-1363
glutamate--putrescine ligase Burkholderia ambifaria GH38-2118
glutamate--putrescine ligase Burkholderia ambifaria GH38-2950
putative gamma-glutamylputrescine synthetase Burkholderia cenocepacia puuA
glutamine synthetase Burkholderia cepacia GL9Y-3557