guanosine-5'-triphosphate,3'-diphosphate phosphatase; pppGpp 5'-phosphohydrolase; guanosine 5'-triphosphate-3'-diphosphate 5'-phosphohydrolase; guanosine pentaphosphatase; guanosine pentaphosphate phosphatase; guanosine 5'-triphosphate 3'-diphosphat • • •