ID   GUAA_DEHM1              Reviewed;         533 AA.
AC   Q3Z886;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 97.
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=DET0836;
OS   Dehalococcoides mccartyi (strain ATCC BAA-2266 / KCTC 15142 / 195)
OS   (Dehalococcoides ethenogenes (strain 195)).
OC   Bacteria; Chloroflexi; Dehalococcoidia; Dehalococcoidales;
OC   Dehalococcoidaceae; Dehalococcoides.
OX   NCBI_TaxID=243164;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-2266 / KCTC 15142 / 195;
RX   PubMed=15637277; DOI=10.1126/science.1102226;
RA   Seshadri R., Adrian L., Fouts D.E., Eisen J.A., Phillippy A.M., Methe B.A.,
RA   Ward N.L., Nelson W.C., DeBoy R.T., Khouri H.M., Kolonay J.F., Dodson R.J.,
RA   Daugherty S.C., Brinkac L.M., Sullivan S.A., Madupu R., Nelson K.E.,
RA   Kang K.H., Impraim M., Tran K., Robinson J.M., Forberger H.A., Fraser C.M.,
RA   Zinder S.H., Heidelberg J.F.;
RT   "Genome sequence of the PCE-dechlorinating bacterium Dehalococcoides
RT   ethenogenes.";
RL   Science 307:105-108(2005).
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; CP000027; AAW39914.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3Z886; -.
DR   SMR; Q3Z886; -.
DR   STRING; 243164.DET0836; -.
DR   MEROPS; C26.957; -.
DR   EnsemblBacteria; AAW39914; AAW39914; DET0836.
DR   KEGG; det:DET0836; -.
DR   eggNOG; COG0518; Bacteria.
DR   eggNOG; COG0519; Bacteria.
DR   HOGENOM; CLU_014340_0_5_0; -.
DR   OMA; KRKIIGH; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000008289; 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..533
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_0000229421"
FT   DOMAIN          25..215
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          216..408
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        102
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        189
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        191
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         243..249
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   533 AA;  59511 MW;  4D281CEAE9A592A4 CRC64;
     MEIAKEKSGA KPEFIDNEDE SLRESIVIFD FGSQYSLLIA RRIREMHVYC ELVSHDTPWE
     KIAHLNPRGF ILSGGPSSVY EAGAPLAPAY IFESKLPVLG ICYGMQAITH QLGGVVEHSE
     KREYGHALLH SSVANSDLLS DMPEPSPVWM SHGDRIEKMP AGFTALAYTE NCPVAVMGNE
     ADIYGLQFHP EVVHSPNGKI ILKNFVFNIC KCHANWTMGN YIQESIHNIR EQVGDGQVIC
     ALSGGVDSAV VASLIHKAIG DQLTCIYVNN GLLRREEADR TLHVFKNHMG MKIIYVDAVD
     RFLDSLSGVT DPEQKRKVIG SEFIKVFEDE ACKLGKIDFL AQGTLYPDVI ESVSSVSKAS
     AKIKSHHNVG GLPAHMKLKL IEPLRYLFKD EVRLLGKELG LPDEMIWRQP FPGPGLAIRI
     IGEVTREKLE ILRAADWIVM SEIKKAKMYH QVWQSFAILT DVKSVGVMGD FRTYGYLVAI
     RAVTSEDAMT ADWAKLPYDL LSVISNRIVN EVKEVNRVVY DISSKPPSTI EWE