GUAA_DESPS
ID GUAA_DESPS Reviewed; 516 AA.
AC Q6APU2;
DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2004, sequence version 1.
DT 03-AUG-2022, entry version 104.
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=DP0903;
OS Desulfotalea psychrophila (strain LSv54 / DSM 12343).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC Desulfocapsaceae; Desulfotalea.
OX NCBI_TaxID=177439;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12343 / LSv54;
RX PubMed=15305914; DOI=10.1111/j.1462-2920.2004.00665.x;
RA Rabus R., Ruepp A., Frickey T., Rattei T., Fartmann B., Stark M., Bauer M.,
RA Zibat A., Lombardot T., Becker I., Amann J., Gellner K., Teeling H.,
RA Leuschner W.D., Gloeckner F.-O., Lupas A.N., Amann R., Klenk H.-P.;
RT "The genome of Desulfotalea psychrophila, a sulfate-reducing bacterium from
RT permanently cold Arctic sediments.";
RL Environ. Microbiol. 6:887-902(2004).
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; CR522870; CAG35632.1; -; Genomic_DNA.
DR RefSeq; WP_011188146.1; NC_006138.1.
DR AlphaFoldDB; Q6APU2; -.
DR SMR; Q6APU2; -.
DR STRING; 177439.DP0903; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; CAG35632; CAG35632; DP0903.
DR KEGG; dps:DP0903; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_7; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000000602; 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..516
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_0000229423"
FT DOMAIN 7..199
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 200..391
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 84
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 173
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 175
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 227..233
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 516 AA; 57364 MW; BEA325A19266C2C6 CRC64;
MDIHKEKIII LDFGSQTTQL IARRVREMKV YSEIHPFSLP LEKLKELNPT GIILSGGPCS
VYDDDAPHSD AGLFELGVPV FGICYGAQLM IQQLGGSVEK AEKREFGKAE IQILNDSDLF
AGLDVARSHQ VWMSHGDRVE VIPDQFEVSA ESAHSPYAAL RHRSKPFVAV QFHPEVVHSI
IGTDLLRNFV FGLCKCQATW TMQGFIESNV AAIKEKVGDA HVICALSGGV DSSVVAAMIH
KAIGSQLTCV YVNNGLMRIG ESEGIIKFFK ENTDLHLIDV DASDYFLGKL EGVTDPEVKR
QHIGLGFIKI FEEEAHKIDG DVKFLAQGTL YPDVVESVSF RGAAPIKSHH NVGCLPDIMK
LSLIEPLREL FKDEVRELGV ELGLPDEAVH RQPFPGPGLS IRIMGEVTPE RLDIVRRADV
IVLDEMKKHG YYNKVWQSFA VLLPIQTVGV MGDFRTYEHV VALRVVDSRD AMTADWSRVP
YDILGDISTR IINEVRGVNR VVYDISSKPP ATIEWE
