ID GUAA_CAMHC Reviewed; 511 AA.
AC A7I131;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 11-SEP-2007, sequence version 1.
DT 27-MAR-2024, entry version 96.
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=CHAB381_0638;
OS Campylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 /
OS CH001A).
OC Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC Campylobacteraceae; Campylobacter.
OX NCBI_TaxID=360107;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A;
RA Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G.,
RA Mandrell R.E., Nelson K.E.;
RT "Complete genome sequence of Campylobacter hominis ATCC BAA-381, a
RT commensal isolated from the human gastrointestinal tract.";
RL Submitted (JUL-2007) 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; CP000776; ABS51453.1; -; Genomic_DNA.
DR RefSeq; WP_012108509.1; NC_009714.1.
DR AlphaFoldDB; A7I131; -.
DR SMR; A7I131; -.
DR STRING; 360107.CHAB381_0638; -.
DR MEROPS; C26.957; -.
DR KEGG; cha:CHAB381_0638; -.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_7; -.
DR OrthoDB; 9802219at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000002407; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003921; F:GMP synthase 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; 3.30.300.10; -; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.40.50.620; HUPs; 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 NCBIfam; TIGR00884; guaA_Cterm; 1.
DR NCBIfam; TIGR00888; guaA_Nterm; 1.
DR PANTHER; PTHR11922:SF2; GMP SYNTHASE [GLUTAMINE-HYDROLYZING]; 1.
DR PANTHER; PTHR11922; GMP SYNTHASE-RELATED; 1.
DR Pfam; PF00117; GATase; 1.
DR Pfam; PF00958; GMP_synt_C; 1.
DR Pfam; PF02540; NAD_synthase; 1.
DR PRINTS; PR00097; ANTSNTHASEII.
DR PRINTS; PR00099; CPSGATASE.
DR PRINTS; PR00096; GATASE.
DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR SUPFAM; SSF54810; GMP synthetase C-terminal dimerisation domain; 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_1000120246"
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; 57245 MW; 9D1A857D1A28A1AC CRC64;
MKNSDIIVLD FGSQYTQLIA RRLREQGVYT EILPFNAKIS QIKEKNPKGL ILSGGPASVY
AKDAYFPNDE IFNLNLPILG ICYGMQLIAY HFGASVTPTN KKEYGKSNLK FVSENALLKD
TKDGQIVWMS HSDKVENLPD GFKTIAVSEN SPFCAFCDEK RKIYALQFHP EVAHSECGDK
ILKNFAKYIC DCESTWNMGN FAKIKCEEIK KQVGKDRVLC AVSGGVDSSV VAALLAHCIK
ENLIVVFVDN GLLRTDEAKQ VEQTFKLKLG VELISIDASE LFLGRLKGIT DPEEKRKIIG
KTFIEVFERE AKKHQNVKYL AQGTLYTDII ESSVVGSSKT IKSHHNVGGL PKDMKFKLIE
PLKEIFKDEV RKLGTELGLS PDLVYRHPFP GPGLAIRILG EITPEKLCVL RKADVILRDE
LKSSGWYNKT WQAFCVLLNV NSVGVMGDNR TYENAVCIRV VDASDGMTAS FSRLPYDLLE
NISRRIINEV DGINRVVYDI SSKPPATIEW E
//
