ID   GUAA_RUMCH              Reviewed;         511 AA.
AC   B8I4P0;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 80.
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=Ccel_2202;
OS   Ruminiclostridium cellulolyticum (strain ATCC 35319 / DSM 5812 / JCM 6584 /
OS   H10) (Clostridium cellulolyticum).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Oscillospiraceae;
OC   Ruminiclostridium.
OX   NCBI_TaxID=394503;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35319 / DSM 5812 / JCM 6584 / H10;
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., Saunders E., Brettin T.,
RA   Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Ivanova N., Zhou J., Richardson P.;
RT   "Complete sequence of Clostridium cellulolyticum H10.";
RL   Submitted (JAN-2009) 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; CP001348; ACL76544.1; -; Genomic_DNA.
DR   RefSeq; WP_015925637.1; NC_011898.1.
DR   AlphaFoldDB; B8I4P0; -.
DR   SMR; B8I4P0; -.
DR   STRING; 394503.Ccel_2202; -.
DR   MEROPS; C26.957; -.
DR   EnsemblBacteria; ACL76544; ACL76544; Ccel_2202.
DR   KEGG; cce:Ccel_2202; -.
DR   eggNOG; COG0519; Bacteria.
DR   HOGENOM; CLU_014340_0_5_9; -.
DR   OMA; KRKIIGH; -.
DR   OrthoDB; 504464at2; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000001349; 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..511
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000205295"
FT   DOMAIN          5..195
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          196..386
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        82
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        169
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        171
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         223..229
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   511 AA;  57569 MW;  E6C85ED63915401D CRC64;
     MNNEMILVLD FGGQYNQLIA RRVREANVYC EVIPYNASLE RIKSYNAKGI IFTGGPNSVL
     DEGAPKCDPG VFELGIPVLG ICYGMQLMSV MLGGSVTAAN QREYGKVEIC VDKSQPLFRD
     VDENTICWMS HTYYVDTPPK GFEVIAKSAN CPTGAMQHVE KNLYAVQFHP EVMHTPKGKE
     MLKNFLYNIC GCKGDWKMSS FVENSINAIR EKVGDKKVLC ALSGGVDSSV AAVLIHKAIG
     KQLTCIFVDH GLLRKYEGDQ VEQIFRKQYD INLIRVNCED RFLQRLKGVS DPETKRKIIG
     EEFIRVFEDE AKKIGKVDFL VQGTIYPDVI ESGIGDAAVI KSHHNVGGLP EHVDFKEIIE
     PLRSLFKDEV RRAGEELGIP EDLVWRQPFP GPGLAIRVIG DLTKEKLDTL RDTDYIFREE
     IKAAGLDKEI NQYFTVLTNM RSVGVMGDER TYDYALALRA VTTTDFMTAD WARIPYDILE
     KVSTRIVNEV KQINRIVYDI TSKPPATIEW E