GUAA_HISS2
ID GUAA_HISS2 Reviewed; 523 AA.
AC B0USI5;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 89.
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=HSM_0746;
OS Histophilus somni (strain 2336) (Haemophilus somnus).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Histophilus.
OX NCBI_TaxID=228400;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2336;
RG US DOE Joint Genome Institute;
RA Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA Dyer D.W., Inzana T.J.;
RT "Complete sequence of Haemophilus somnus 2336.";
RL Submitted (FEB-2008) 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; CP000947; ACA32414.1; -; Genomic_DNA.
DR RefSeq; WP_012341571.1; NC_010519.1.
DR AlphaFoldDB; B0USI5; -.
DR SMR; B0USI5; -.
DR STRING; 228400.HSM_0746; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; ACA32414; ACA32414; HSM_0746.
DR KEGG; hsm:HSM_0746; -.
DR HOGENOM; CLU_014340_0_5_6; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
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..523
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120312"
FT DOMAIN 8..205
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 206..398
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 85
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 179
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 181
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 233..239
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 523 AA; 58305 MW; 9283407E1F9DC511 CRC64;
MTNIHHHKIL ILDFGSQYTQ LIARRVREIG VYCELWAWDV TEEQIREFNP TGIILSGGPE
STTEANSPRA TEYVFNAGVP VLGICYGMQT MAMQLGGLTE TSTHREFGYA EVSLQNPTAL
FADLNDDLTA CDPKLDVWMS HGDKVTRLPD NFQITGMTST CPIAAMSDES RRFYCVQFHP
EVTHTKCGQK LLQNFVVDIC GCETNWTAEN IIEDAVARIK AQVGDDEVIL GLSGGVDSSV
TALLLHRAIG KNLHCVFVDN GLLRLNEGDQ VMEMFGDKFG LNIIRVEAED RFLEALKGID
EPEAKRKTIG KVFVDVFDDE AKKLTDVKWL AQGTIYPDVI ESAASKTGKA HVIKSHHNVG
GLPDYMKLGL VEPLRELFKD EVRKIGLALG LPAEMLNRHP FPGPGLGVRV LGEIKKEYCD
LLRKADAIFI EELHKADWYY KVSQAFGVFL PVKSVGVMGD GRKYDWVISL RAVETIDFMT
AHWANLPYDL LGKISNRIIN EVNGISRVVY DISGKPPATI EWE
