ID GUAA_SULNB Reviewed; 513 AA.
AC A6QBI5;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 27-MAR-2024, entry version 115.
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=SUN_1897;
OS Sulfurovum sp. (strain NBC37-1).
OC Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC Sulfurovaceae; Sulfurovum.
OX NCBI_TaxID=387093;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBC37-1;
RX PubMed=17615243; DOI=10.1073/pnas.0700687104;
RA Nakagawa S., Takaki Y., Shimamura S., Reysenbach A.-L., Takai K.,
RA Horikoshi K.;
RT "Deep-sea vent epsilon-proteobacterial genomes provide insights into
RT emergence of pathogens.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:12146-12150(2007).
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; AP009179; BAF72844.1; -; Genomic_DNA.
DR RefSeq; WP_012083660.1; NC_009663.1.
DR AlphaFoldDB; A6QBI5; -.
DR SMR; A6QBI5; -.
DR STRING; 387093.SUN_1897; -.
DR KEGG; sun:SUN_1897; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_7; -.
DR OrthoDB; 9802219at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000006378; 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.
FT CHAIN 1..513
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120438"
FT DOMAIN 5..196
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 197..388
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 170
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 172
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 224..230
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 513 AA; 57178 MW; 0AA1A967E2EFB118 CRC64;
MKQVPILVLD FGSQYTQLIA RKLRESGVYT EVVPYRESIE DIKARKPQGI ILSGGPASVY
AEDAYKPDEG IWDLGLPILG ICYGMQLITQ HFGGSVIAAD HHEYGKAKLH IENENSPIFK
DVAQDSIVWM SHGDRAERLP EGFEVVGTSE NSPYAAIANE SKHIYAFQFH PEVHHSVEGT
HMLKNFAKYI CGCESTWNMG SFAKEKIAQI RAQVGEKKVL CGVSGGVDSS VVAAMLHEAL
PKEQLICVFV DQGLLRKDEA EQVQDMFKLL DIPLITIDAK KEFMEALAGV TDPEQKRKAI
GEKFIEVFDK EAGKHTDVSF LAQGTLYTDV IESVSVKGPS KTIKSHHNVG GLPDWMTFEL
VEPLREIFKD EVRKLGLELG LPKHMIGRHP FPGPGLAIRV MGEVNEEALR LLRESDAIMQ
EELRSTGYYD KVWQAFTVLL NVQSVGVMGD NRTYDNTVCV RMVESVDGMT ATFAHIPHDV
LEGISRRIIN EIDGINRVVY DISSKPPATI EWE
//
