GUAA_PSET1
ID GUAA_PSET1 Reviewed; 525 AA.
AC Q3IHJ1;
DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 08-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 106.
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=PSHAa0649;
OS Pseudoalteromonas translucida (strain TAC 125).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Pseudoalteromonadaceae; Pseudoalteromonas.
OX NCBI_TaxID=326442;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TAC 125;
RX PubMed=16169927; DOI=10.1101/gr.4126905;
RA Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G., Ho C.,
RA Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C., Rouy Z.,
RA Sekowska A., Tutino M.L., Vallenet D., von Heijne G., Danchin A.;
RT "Coping with cold: the genome of the versatile marine Antarctica bacterium
RT Pseudoalteromonas haloplanktis TAC125.";
RL Genome Res. 15:1325-1335(2005).
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; CR954246; CAI85734.1; -; Genomic_DNA.
DR RefSeq; WP_011327347.1; NC_007481.1.
DR AlphaFoldDB; Q3IHJ1; -.
DR SMR; Q3IHJ1; -.
DR STRING; 326442.PSHAa0649; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; CAI85734; CAI85734; PSHAa0649.
DR KEGG; pha:PSHAa0649; -.
DR PATRIC; fig|326442.8.peg.613; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_6; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR BioCyc; PHAL326442:PSHA_RS03170-MON; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000006843; Chromosome I.
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..525
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_0000229456"
FT DOMAIN 9..207
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 208..400
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 86
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 181
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 183
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 235..241
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 525 AA; 58543 MW; C5A596ABA64A42AA CRC64;
MSKDIHDSRI LILDFGSQYT QLIARRVREI GVYCELWAWD VTEEQIREFN PQGIILSGGP
ESTTLENSPR APEYVFNAGV PVLGICYGMQ TMAAQLGGSV HSSDKKEFGY AQVEKVGNCA
LFDAIEDHIT DGGNGVLDVW MSHGDKVMDI PQSFKTTAKT STCPHAAMSN EEKRFYGVQF
HPEVTHTHQG QRLLERFAID ICGCEKLWTA AKIIDNAIER IKETVGDDEV ILGLSGGVDS
SVVAMLIHRA IGEKLTCVFV DNGLLRLNEG QQVMDMFGNK FGLNIVKVEA EEQFLNDLAG
KSDPEDKRKA IGHTFINVFD EQAKKLKNAK WLAQGTIYPD VIESAASATG KAHVIKSHHN
VGGLPADMKM GLVEPLRELF KDEVRKIGLE LGLPYDMLYR HPFPGPGLGV RVLGEIKKEY
CDLLRRADAI FIEELHKAEL YHKVSQAFTV FLPVKSVGVM GDARKYDWVV SLRCVETIDF
MTARWSHLPY EFLGVVSNRI INEIDGISRV VYDISGKPPA TIEWE
