ID   GUAA_SHEB2              Reviewed;         525 AA.
AC   B8E9T4;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=Sbal223_1380;
OS   Shewanella baltica (strain OS223).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=407976;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OS223;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Meincke L., Brettin T.,
RA   Detter J.C., Han C., Kuske C.R., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Ovchinnikova G., Brettar I., Rodrigues J., Konstantinidis K.,
RA   Tiedje J.;
RT   "Complete sequence of chromosome of Shewanella baltica OS223.";
RL   Submitted (DEC-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001252; ACK45888.1; -; Genomic_DNA.
DR   RefSeq; WP_006085676.1; NC_011663.1.
DR   AlphaFoldDB; B8E9T4; -.
DR   SMR; B8E9T4; -.
DR   MEROPS; C26.A07; -.
DR   EnsemblBacteria; ACK45888; ACK45888; Sbal223_1380.
DR   KEGG; sbp:Sbal223_1380; -.
DR   HOGENOM; CLU_014340_0_5_6; -.
DR   OMA; KRKIIGH; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000002507; 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.
FT   CHAIN           1..525
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000133380"
FT   DOMAIN          8..207
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          208..400
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        85
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        181
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        183
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         235..241
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   525 AA;  58246 MW;  BA169820CEE8A736 CRC64;
     MSDIHEHKIL ILDFGSQYTQ LIARRIREIG VYCELWAWDV TEAQIREFAP NGIILAGGPE
     SVTAENSPRA PEYVFTAGVP VLGICYGMQT MSEQLGGKVI QGVGEGEFGY AQIEMLTDSL
     LFKGIEDAVN SEGKPLLDVW MSHGDKVSAI PEGFVAVAKT DTCPFAAMAN EEKQFFGVQF
     HPEVTHTRQG MRMLSHFALD ICGCAANWKP SSIIEDAIER LKKQIGDDEV ILGLSGGVDS
     SVVAMLLHRA IGKKLTCVFV DNGLLRLNEA EQVMEMFGDH FGLNIIHVDA ENRFLDAMKG
     EADPEAKRKI IGRVFVEIFD EESKKCANAK WLAQGTIYPD VIESAGSATG KAHVIKSHHN
     VGGLPDHMEL GLVEPLRELF KDEVRKIGLE LGLPYNMLYR HPFPGPGLGV RVLGEVKKEY
     CDLLRRADAI FIEELHKADL YNKVSQAFTV FLPVRSVGVM GDGRKYDWVV SLRAVETVDF
     MTAHWAHLPY DFLGRVSNRI INEVDGISRV VYDISGKPPA TIEWE