ID   GUAA_XYLFM              Reviewed;         522 AA.
AC   B0U3R8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 87.
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};
GN   OrderedLocusNames=Xfasm12_1588;
OS   Xylella fastidiosa (strain M12).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xylella.
OX   NCBI_TaxID=405440;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=M12;
RX   PubMed=20601474; DOI=10.1128/jb.00651-10;
RA   Chen J., Xie G., Han S., Chertkov O., Sims D., Civerolo E.L.;
RT   "Whole genome sequences of two Xylella fastidiosa strains (M12 and M23)
RT   causing almond leaf scorch disease in California.";
RL   J. Bacteriol. 192:4534-4534(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; CP000941; ACA12497.1; -; Genomic_DNA.
DR   RefSeq; WP_004085957.1; NC_010513.1.
DR   AlphaFoldDB; B0U3R8; -.
DR   SMR; B0U3R8; -.
DR   MEROPS; C26.957; -.
DR   KEGG; xfm:Xfasm12_1588; -.
DR   HOGENOM; CLU_014340_0_5_6; -.
DR   OMA; KRKIIGH; -.
DR   OrthoDB; 504464at2; -.
DR   UniPathway; UPA00189; UER00296.
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.
FT   CHAIN           1..522
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000120455"
FT   DOMAIN          9..204
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          205..397
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        178
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        180
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         232..238
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   522 AA;  57722 MW;  BCAD93AA122DAF3E CRC64;
     MTPNIHHDKI LILDFGAQYT QLIARRIREI GVYCEVWPWD HSPEEILSFG AKGIILSGGP
     ESTTSPGAPA APQHVFDSDL PIFGICYGMQ TMAVHLGGAT EAADKREFGH ASVQVIYPDT
     LFSGLSDHPS EFRLDVWMSH GDHVSRVPPG FTITAATDRI PIAAMSREDK RWYGVQFHPE
     VTHTLQGQAL LRRFVVDICG CQTLWTAANI IEDQIARVRE RVGRDEVILG LSGGVDSSVV
     AALLHKAIGS QLTCVFVDTG LLRWGEGDQV MAMFEEHMGV NVVRINAASR YFDALQGVYD
     PEAKRKIIGN LFIQIFEEEA SKRKQAKWLA QGTIYPDVIE SAGSKTGKAH VIKSHHNVGG
     LPEQMTLGMV EPLRELFKDE VRRLGVALGL PHAMVYRHPF PGPGLGVRIL GEVKPEYAEL
     LAKADSIFID ELHQADLYDK VSQAFAVFLP VKSVGVVGDA RAYEWVIALR AVETVDFMTA
     HWAPLPYDFL STVSNRIINE LRGVSRVVYD ISGKPPATIE WE