GUAA_METFK
ID GUAA_METFK Reviewed; 526 AA.
AC Q1H280;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 27-JUN-2006, 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=Mfla_1139;
OS Methylobacillus flagellatus (strain KT / ATCC 51484 / DSM 6875).
OC Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC Methylophilaceae; Methylobacillus.
OX NCBI_TaxID=265072;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KT / ATCC 51484 / DSM 6875;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Brettin T., Bruce D., Han C., Tapia R., Saunders E., Gilna P., Schmutz J.,
RA Larimer F., Land M., Kyrpides N., Anderson I., Richardson P.;
RT "Complete sequence of Methylobacillus flagellatus KT.";
RL Submitted (MAR-2006) 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; CP000284; ABE49407.1; -; Genomic_DNA.
DR RefSeq; WP_011479361.1; NC_007947.1.
DR AlphaFoldDB; Q1H280; -.
DR SMR; Q1H280; -.
DR STRING; 265072.Mfla_1139; -.
DR MEROPS; C26.A07; -.
DR PRIDE; Q1H280; -.
DR EnsemblBacteria; ABE49407; ABE49407; Mfla_1139.
DR KEGG; mfa:Mfla_1139; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_4; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000002440; 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..526
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120335"
FT DOMAIN 4..202
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 203..395
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 81
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 176
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 178
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 230..236
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 526 AA; 58064 MW; E4E94B5AC8FEB50C CRC64;
MQQKILILDF GSQYTQLIAR RIREANVYCE LHSWDVSDAF IREFNPAGVI LSGGPNSVYE
DETPRAPQSV FELGVPVLGI CYGMQTMAAQ LGGSVENAAK REFGYAEIRA QGHSALLKGI
QDKSNAEGHG LLDVWMSHGD KVTALPEGFK IIASNSATPI AGMADENRRF YAVQFHPEVT
HTKQGKALLN RFVHDICGCD QSWNMPDYVE TAVQRIREEV GCDEVILGLS GGVDSSVAAA
LIHRAIGDQL TCVFVDNGLL RLNEAEQVME TFGKNLGVKV IHVDASAKFL GDLSGVNDPE
AKRKIIGREF VEVFQQEAAK LPQAKWLAQG TIYPDVIESA GAKTKKAHTI KSHHNVGGLP
DTLKLKLLEP LRELFKDEVR ELGIALGLPH DMVYRHPFPG PGLGVRILGE VKREYADLLR
QADHIFIEEL RSTKDADGKS WYDKTSQAFA VFLPVKSVGV MGDGRTYDYV VALRAVVTTD
FMTAHWAELP YDLLGKVSNR IINEVRGINR VVYDISGKPP ATIEWE
