ID   GUAA_GEMAT              Reviewed;         513 AA.
AC   C1A3W7;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 69.
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=GAU_1750;
OS   Gemmatimonas aurantiaca (strain T-27 / DSM 14586 / JCM 11422 / NBRC
OS   100505).
OC   Bacteria; Gemmatimonadetes; Gemmatimonadales; Gemmatimonadaceae;
OC   Gemmatimonas.
OX   NCBI_TaxID=379066;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=T-27 / DSM 14586 / JCM 11422 / NBRC 100505;
RA   Takasaki K., Ichikawa N., Miura H., Matsushita S., Watanabe Y., Oguchi A.,
RA   Ankai A., Yashiro I., Takahashi M., Terui Y., Fukui S., Yokoyama H.,
RA   Tanikawa S., Hanada S., Kamagata Y., Fujita N.;
RT   "Complete genome sequence of Gemmatimonas aurantiaca T-27 that represents a
RT   novel phylum Gemmatimonadetes.";
RL   Submitted (MAR-2006) 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; AP009153; BAH38792.1; -; Genomic_DNA.
DR   RefSeq; WP_012683239.1; NC_012489.1.
DR   AlphaFoldDB; C1A3W7; -.
DR   SMR; C1A3W7; -.
DR   STRING; 379066.GAU_1750; -.
DR   MEROPS; C26.957; -.
DR   EnsemblBacteria; BAH38792; BAH38792; GAU_1750.
DR   KEGG; gau:GAU_1750; -.
DR   eggNOG; COG0518; Bacteria.
DR   eggNOG; COG0519; Bacteria.
DR   HOGENOM; CLU_014340_0_5_0; -.
DR   OMA; KRKIIGH; -.
DR   OrthoDB; 504464at2; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000002209; 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..513
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000205304"
FT   DOMAIN          4..194
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          195..388
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        80
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        168
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        170
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         222..228
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   513 AA;  56022 MW;  9F3EB65C2502C9D9 CRC64;
     MNSRILILDC GSQFTQLIAR RVREARVYSE IHPPTKSLDW IRAWKPTGII LSGGPSSVTD
     EGAPTIPPAL LDVAPVLGVC YGMQLIAHLE GGSVVGGGRR EYGRAEVTVD EASGMFAGFT
     AGEKTTVWMS HGDHVEQVPP GYVATAHSGN TCAGFRHKTK PIHAVQFHAE VHHSARGAEI
     IENFLFDICH CAPDWTPGHF IDLEVAKIRE MVGDRQVICG LSGGVDSSVA AALVHKAIGD
     QLTCIFVDTG LLRLHEREQV ERTMRAHLGI KLITVRAEDR FLNGLAGEGD PEKKRKIIGH
     TFIDVFEDAS AEAGKNAEFL VQGTLYPDVI ESVSAKGGPS ATIKTHHNVG GLKPDMKFKL
     IEPLRELFKD EVRNVGRELG LPEEMVGRHP FPGPGLAIRV LGEVTPHALD VLRRSDAIYL
     EEIRAAGLYP DIWQAFAVFL PVKSVGVMGD GRTYENVVAL RAVTSTDGMT ADWYPFPYEV
     LGRISNRIIN EVDGVNRVVY DISSKPPATI EWE