ID   GUAA_NEIM0              Reviewed;         521 AA.
AC   A9M138;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=NMCC_0299;
OS   Neisseria meningitidis serogroup C (strain 053442).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=374833;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=053442;
RX   PubMed=18031983; DOI=10.1016/j.ygeno.2007.10.004;
RA   Peng J., Yang L., Yang F., Yang J., Yan Y., Nie H., Zhang X., Xiong Z.,
RA   Jiang Y., Cheng F., Xu X., Chen S., Sun L., Li W., Shen Y., Shao Z.,
RA   Liang X., Xu J., Jin Q.;
RT   "Characterization of ST-4821 complex, a unique Neisseria meningitidis
RT   clone.";
RL   Genomics 91:78-87(2008).
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; CP000381; ABX72507.1; -; Genomic_DNA.
DR   RefSeq; WP_012221236.1; NC_010120.1.
DR   AlphaFoldDB; A9M138; -.
DR   SMR; A9M138; -.
DR   MEROPS; C26.957; -.
DR   EnsemblBacteria; ABX72507; ABX72507; NMCC_0299.
DR   KEGG; nmn:NMCC_0299; -.
DR   HOGENOM; CLU_014340_0_5_4; -.
DR   OMA; KRKIIGH; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000001177; 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..521
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_1000120342"
FT   DOMAIN          5..197
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          198..390
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        81
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        171
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        173
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         225..231
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   521 AA;  57676 MW;  1CF1268DAC45C216 CRC64;
     MTQDKILILD FGSQVTQLIA RRVREAHVYC ELHSFDMPLD EIKAFNPKGI ILSGGPNSVY
     ESDYQADIGI FDLGIPVLGI CYGMQFMAHH LGGEVTPGNQ REFGYAQVKT IDSGLTRDIY
     DDAPNTLDVW MSHGDKVSKL PDGFAVIGDT PSCPIAMMEN AEKQFYGIQF HPEVTHTKQG
     RALLNRFVLD ICGAQPGWTM PNYIEEAVAK IREQVGSDEV ILGLSGGVDS SVAAALIHRA
     IGDQLTCVFV DHGLLRLNEG KMVMDMFARN LGVKVIHVDA EGQFMAKLAG VTDPEKKRKI
     IGAEFIEVFD AEEKKLTNAK WLAQGTIYPD VIESAGAKTQ KAHAIKSHHN VGGLPENMKL
     KLLEPLRDLF KDEVRELGVA LGLPREMVYR HPFPGPGLGV RILGEVKKEY ADLLRQADDI
     FIQELRNTTD ENGTSWYDLT SQAFAVFLPV KSVGVMGDGR TYDYVVALRA VITSDFMTAH
     WAELPYSLLG RVSNRIINEV KGINRVVYDV SGKPPATIEW E