ID   GUAA_CAUVN              Reviewed;         520 AA.
AC   B8GVI7;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=GMP synthase [glutamine-hydrolyzing] {ECO:0000255|HAMAP-Rule:MF_00344};
DE            EC=6.3.5.2 {ECO:0000255|HAMAP-Rule:MF_00344};
DE   AltName: Full=GMP synthetase {ECO:0000255|HAMAP-Rule:MF_00344};
DE   AltName: Full=Glutamine amidotransferase {ECO:0000255|HAMAP-Rule:MF_00344};
GN   Name=guaA {ECO:0000255|HAMAP-Rule:MF_00344}; OrderedLocusNames=CCNA_01692;
OS   Caulobacter vibrioides (strain NA1000 / CB15N) (Caulobacter crescentus).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales;
OC   Caulobacteraceae; Caulobacter.
OX   NCBI_TaxID=565050;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NA1000 / CB15N;
RX   PubMed=20472802; DOI=10.1128/jb.00255-10;
RA   Marks M.E., Castro-Rojas C.M., Teiling C., Du L., Kapatral V.,
RA   Walunas T.L., Crosson S.;
RT   "The genetic basis of laboratory adaptation in Caulobacter crescentus.";
RL   J. Bacteriol. 192:3678-3688(2010).
CC   -!- FUNCTION: Catalyzes the synthesis of GMP from XMP. {ECO:0000255|HAMAP-
CC       Rule:MF_00344}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + L-glutamine + XMP = AMP + diphosphate + GMP + 2
CC         H(+) + L-glutamate; Xref=Rhea:RHEA:11680, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:57464, ChEBI:CHEBI:58115,
CC         ChEBI:CHEBI:58359, ChEBI:CHEBI:456215; EC=6.3.5.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00344};
CC   -!- PATHWAY: Purine metabolism; GMP biosynthesis; GMP from XMP (L-Gln
CC       route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_00344}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00344}.
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DR   EMBL; CP001340; ACL95157.1; -; Genomic_DNA.
DR   RefSeq; WP_010919494.1; NC_011916.1.
DR   RefSeq; YP_002517065.1; NC_011916.1.
DR   AlphaFoldDB; B8GVI7; -.
DR   SMR; B8GVI7; -.
DR   MEROPS; C26.957; -.
DR   PRIDE; B8GVI7; -.
DR   EnsemblBacteria; ACL95157; ACL95157; CCNA_01692.
DR   GeneID; 7331752; -.
DR   KEGG; ccs:CCNA_01692; -.
DR   PATRIC; fig|565050.3.peg.1666; -.
DR   HOGENOM; CLU_014340_0_5_5; -.
DR   OMA; KRKIIGH; -.
DR   OrthoDB; 504464at2; -.
DR   PhylomeDB; B8GVI7; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000001364; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003922; F:GMP synthase (glutamine-hydrolyzing) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016462; F:pyrophosphatase activity; IEA:InterPro.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
DR   CDD; cd01742; GATase1_GMP_Synthase; 1.
DR   CDD; cd01997; GMP_synthase_C; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   Gene3D; 3.40.50.880; -; 1.
DR   HAMAP; MF_00344; GMP_synthase; 1.
DR   InterPro; IPR029062; Class_I_gatase-like.
DR   InterPro; IPR017926; GATASE.
DR   InterPro; IPR001674; GMP_synth_C.
DR   InterPro; IPR004739; GMP_synth_GATase.
DR   InterPro; IPR022955; GMP_synthase.
DR   InterPro; IPR025777; GMPS_ATP_PPase_dom.
DR   InterPro; IPR022310; NAD/GMP_synthase.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   Pfam; PF00117; GATase; 1.
DR   Pfam; PF00958; GMP_synt_C; 1.
DR   Pfam; PF02540; NAD_synthase; 1.
DR   SUPFAM; SSF52317; SSF52317; 1.
DR   TIGRFAMs; TIGR00884; guaA_Cterm; 1.
DR   TIGRFAMs; TIGR00888; guaA_Nterm; 1.
DR   PROSITE; PS51273; GATASE_TYPE_1; 1.
DR   PROSITE; PS51553; GMPS_ATP_PPASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Glutamine amidotransferase; GMP biosynthesis; Ligase;
KW   Nucleotide-binding; Purine biosynthesis; Reference proteome.
FT   CHAIN           1..520
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000190232"
FT   DOMAIN          9..202
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          203..395
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        86
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        176
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        178
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         230..236
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   520 AA;  56338 MW;  AA736695F97A03F8 CRC64;
     MTQKTDHQRV LIVDFGSQVT QLIARRVREA GVYCEIHPFD KAEAIVDEYA PSAIILSGGP
     ASVLEADSPR IGRKLFDLGL PLLAICYGQQ LLCDVLSGKV EGGHAGEFGR AELTIGKDSP
     MFQGLAGVGG VETVWMSHGD RVTAIPEGFE VIGTSTGAPF AAIANDAKKI YALQFHPEVY
     HTVNGPAMYR NFLFNIAGLK GDWTMAAFRQ EMVQKIRDQV GDGKVICGLS GGVDSSVAAV
     LIHEAIGDQL TCVFVDTGLL RKNEADQVVT LFRDHYNIPL VHVDAGDLFL GELAGVSDPE
     TKRKTIGRLF IDVFDKEAAK IEGATFLAQG TLYPDVVESV SARGGPSAVI KSHHNVGGLP
     DYMKLKLVEP LRELFKDEVR ALGVELGLAP AFVGRHPFPG PGLAIRIPGE ITPEKVKVLQ
     DADAIYLEEI RNAGLYDQIW QAFAVLLPVK TVGVMGDART YENVLALRAV TSTDGMTADF
     FEFPWPVLGK TATRIINEVR GVNRVVYDVT SKPPGTIEWE