GUAA_HELPH
ID GUAA_HELPH Reviewed; 508 AA.
AC Q1CSM2;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 11-JUL-2006, sequence version 1.
DT 03-AUG-2022, entry version 99.
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=HPAG1_0983;
OS Helicobacter pylori (strain HPAG1).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=357544;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HPAG1;
RX PubMed=16788065; DOI=10.1073/pnas.0603784103;
RA Oh J.D., Kling-Baeckhed H., Giannakis M., Xu J., Fulton R.S., Fulton L.A.,
RA Cordum H.S., Wang C., Elliott G., Edwards J., Mardis E.R., Engstrand L.G.,
RA Gordon J.I.;
RT "The complete genome sequence of a chronic atrophic gastritis Helicobacter
RT pylori strain: evolution during disease progression.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:9999-10004(2006).
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; CP000241; ABF85050.1; -; Genomic_DNA.
DR RefSeq; WP_000604629.1; NC_008086.1.
DR AlphaFoldDB; Q1CSM2; -.
DR SMR; Q1CSM2; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; ABF85050; ABF85050; HPAG1_0983.
DR KEGG; hpa:HPAG1_0983; -.
DR HOGENOM; CLU_014340_0_5_7; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000008835; 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..508
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120318"
FT DOMAIN 1..189
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 190..383
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 78
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 163
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 165
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 217..223
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 508 AA; 56826 MW; ED7F495CB79A217C CRC64;
MILVLDFGSQ YTQLIARRLR ESGIYAEIVP FFESIENIQK KAPKGLILSG GPASVYAKDA
YKPSEKIFDL NVPILGICYG MQYLVDFFGG VVAGANEQEF GKAVLEITQD SVIFEGVKTK
SLVWMSHMDK VIELPKGFIT LAKSPNSPHC AIENGKIFGL QFHPEVIQSE EGGKILENFA
LLVCDCEKTW GMQHFAQREI ARLKEKIAND KVLCAVSGGV DSTVVATLLY RAIKDNLIAV
FVDHGLLRKN EKERVQAMFK DLQIPLNTID AKGIFLSKLK GVSEPELKRK IIGETFIEVF
EKEAKKHHLK GKIEFLAQGT LYPDVIESVS VKGPSKVIKT HHNVGGLPEW MDFKLIEPLR
ELFKDEARLL GKELGISQDF LMRHPFPGPG LAVRILGEVS ESKIKRLQEA DFIFIEELKK
ANLYDKVWQA FCVLLNVNSV GVMGDNRTYE NAICLRAVNA SDGMTASFSF LEHSFLEKVS
NRITNEVSGI NRVVYDITSK PPGTIEWE
