>tr|M1PTV3|M1PTV3_METMZ CTP synthase OS=Methanosarcina mazei Tuc01 GN=pyrG MKYIVVTGGVMSGLGKGITIASIGRNLKNKGYKVTAIKIDPYINIDAGTMSPYQHGEVFV LRDGGEVDLDLGNYERFLDTELTRDHNITTGKVYQEVIAKERRGDYLGKTVQIIPHITNE IKNKIRKVAARSGADVCLIEIGGTVGDIESMPFLEAVRQMHREEPSENIVFIHVTLVMED LQGEQKTKPTQHSVKELRALGLSPEVIVTRSKTPLQESAKEKIALFCDVPQELVISAHDA GDIYEVPLEIEEQGLTTQLMKHLRLESGVDDGGWREMVARMKSTTDEVKLAIVGKYTNLE DSYLSILEAVKHGGIDNACRVEVNMVEAETLEEDLVEVEKLKQYDGILIPGGFGGRGTEG KMLAIKFARENDIPFLGICLGMQLAVIEFARNVANLENANSTEFDEDTPYPVIDILPEQT GVADMGGTMRLGDYDAILKEGSFATKLYGTNYIVERHRHRYEVNPEFVDRLESFGIVFSG KNKNRMEIAEIPGKRFFFASQFHPEFKSRPGRPSPPFKGLVRAMCKYRKEREVQ