>tr|A0A0E3S0S5|A0A0E3S0S5_METMZ CTP synthase OS=Methanosarcina mazei C16 GN=pyrG MKYIVVTGGVMSGLGKGITIASIGRNLKNKGYKVTAIKIDPYINIDAGTMSPYQHGEVFV LRDGGEVDLDLGNYERFLDTELTRDHNITTGKVYQEVIAKERRGDYLGKTVQIIPHITNE IKNKIRKVAARSGADVCLIEIGGTVGDIESMPFLEAVRQMHREEPSENIVFIHVTLVMED LQGEQKTKPTQHSVKELRALGLSPEVIVTRSKTPLQESAKEKIALFCDVPQELVISAHDA GDIYEVPLEIEEQGLTTQLMKHLRLESGVDDGGWREMVARMKSTTDEVKLAIVGKYTNLE DSYLSILEAVKHGGIDNACRVEVNMVEAETLEEDLVEVEKLKQYDGILIPGGFGGRGTEG KMLAIKFARENDIPFLGICLGMQLAVIEFARNVANLENANSTEFDEDTPYPVIDILPEQT GVADMGGTMRLGDYDAILKEGSFATKLYGTNYIVERHRHRYEVNPEFVDRLESFGIVFSG KNKNRMEIAEIPGKRFFFASQFHPEFKSRPGRPSPPFKGLVRAMCKYRKEREVQ