ID   PYRG_XANOM              Reviewed;         554 AA.
AC   Q2P1K5;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   12-DEC-2006, entry version 10.
DE   CTP synthase (EC 6.3.4.2) (UTP--ammonia ligase) (CTP synthetase).
GN   Name=pyrG; OrderedLocusNames=XOO2817;
OS   Xanthomonas oryzae pv. oryzae (strain MAFF 311018).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=342109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Ochiai H., Inoue Y., Takeya M., Sasaki A., Kaku H.;
RT   "Genome sequence of Xanthomonas oryzae pv. oryzae suggests
RT   contribution of large numbers of effector genes and insertion
RT   sequences to its race diversity.";
RL   Jpn. Agric. Res. Q. 39:275-287(2005).
CC   -!- FUNCTION: Catalyzes the ATP-dependent amination of UTP to CTP with
CC       either L-glutamine or ammonia as the source of nitrogen (By
CC       similarity).
CC   -!- CATALYTIC ACTIVITY: ATP + UTP + NH(3) = ADP + phosphate + CTP.
CC   -!- ENZYME REGULATION: Allosterically activated by GTP, when glutamine
CC       is the substrate. Inhibited by CTP (By similarity).
CC   -!- PATHWAY: Nucleotide biosynthesis; CTP biosynthesis; CTP from UDP:
CC       step 2 [final step].
CC   -!- SUBUNIT: Homotetramer (By similarity).
CC   -!- SIMILARITY: Belongs to the CTP synthase family.
CC   -!- SIMILARITY: Contains 1 type-1 glutamine amidotransferase domain.
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DR   EMBL; AP008229; BAE69572.1; -; Genomic_DNA.
DR   GenomeReviews; AP008229_GR; XOO2817.
DR   KEGG; xom:XOO_2817; -.
DR   HAMAP; MF_01227; -; 1.
DR   InterPro; IPR000991; GATase_1.
DR   InterPro; IPR012998; GATase_1_AS.
DR   InterPro; IPR004468; PyrG_synth.
DR   PANTHER; PTHR11550; PyrG_synth; 1.
DR   Pfam; PF06418; CTP_synth_N; 1.
DR   Pfam; PF00117; GATase; 1.
DR   TIGRFAMs; TIGR00337; PyrG; 1.
DR   PROSITE; PS00442; GATASE_TYPE_I; 1.
KW   Complete proteome; Glutamine amidotransferase; Ligase;
KW   Pyrimidine biosynthesis.
FT   CHAIN         1    554       CTP synthase.
FT                                /FTId=PRO_0000266266.
FT   REGION        1    301       Aminator domain.
FT   REGION      302    554       Glutamine amidotransferase.
FT   ACT_SITE    380    380       For GATase activity (By similarity).
FT   ACT_SITE    518    518       For GATase activity (By similarity).
FT   ACT_SITE    520    520       For GATase activity (By similarity).
SQ   SEQUENCE   554 AA;  61559 MW;  23615CCFCE279B1B CRC64;
     MTPLIFVTGG VVSSLGKGIA AASLASILEA RGLKVTMMKL DPYINVDPGT MSPFQHGEVY
     VTDDGAETDL DLGHYERYVR TRLSRKNSVT TGRIYENVIR KERRGDYLGA TVQVIPHITD
     EIRRCIDEAT AGFDVALIEI GGTVGDIESL PFLEAIRQVR TERGAEKAMF MHLTLVPYIA
     AAGELKTKPT QHSVKELRSI GIQPDVLLCR SEQAVPDSER RKIALFTNVS ERAVISCPDI
     DVLYGMPLEL LRQGLDELVI VQFKLRDKVA AADLSEWAAV VDAVKHPLDE VTIAVVGKYV
     DHQDAYKSVA EALRHGGLRQ RTKVNLKWLE AQDLERSDMA ALQDIDGILV PGGFGDRGFE
     GKVQTSKFAR EHKVPYFGIC YGMQAAVVDY ARHVADLDAA NSTENDRQSP HPVIGLITEW
     RTATGEVEKR DEKSDLGGTM RLGLQEQRLK PGTLARELYG KDVVAERHRH RYEFNNRYRT
     QLEDAGLVIS GKSMDDTLVE VVELPRDTHP WFLACQAHPE FLSTPRDGHP LFIGFVRAAR
     EKKAGGKLLK EARA
//