ID GUAA_RUEST Reviewed; 520 AA.
AC Q1GGV8;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 27-JUN-2006, sequence version 1.
DT 27-MAR-2024, entry version 117.
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=TM1040_1375;
OS Ruegeria sp. (strain TM1040) (Silicibacter sp.).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Ruegeria.
OX NCBI_TaxID=292414;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TM1040;
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., Goodwin L., Thompson L.S.,
RA Gilna P., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA Belas R., Moran M.A., Buchan A., Gonzalez J.M., Schell M.A., Sun F.,
RA Richardson P.;
RT "Complete sequence of chromosome of Silicibacter sp. TM1040.";
RL Submitted (MAY-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; CP000377; ABF64108.1; -; Genomic_DNA.
DR RefSeq; WP_011538713.1; NC_008044.1.
DR AlphaFoldDB; Q1GGV8; -.
DR SMR; Q1GGV8; -.
DR STRING; 292414.TM1040_1375; -.
DR MEROPS; C26.957; -.
DR KEGG; sit:TM1040_1375; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_5; -.
DR OrthoDB; 9802219at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000000636; 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; 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; PF03054; tRNA_Me_trans; 1.
DR PRINTS; PR00097; ANTSNTHASEII.
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; Reference proteome.
FT CHAIN 1..520
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120416"
FT DOMAIN 8..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 86
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 177
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 179
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 520 AA; 57952 MW; AEDF98BA082A5D76 CRC64;
MTETAHDRLL IIDFGSQVTQ LIARRLRELN VYCEIHPYQN VTMDFVREFA PKAVIFSGGP
DSVTREGSPR APQEIFDYGV PILGICYGQQ VMMHQLGGTV QSGHGTAEFG RAYVTPTEER
IDMLSGWFLD QTEQVWMSHG DHVSEIAPGF KVYGTSPNAP FAITADLERN FYAVQFHPEV
HHTPNGKTLY ENFVRLAGFS GDWTMGAYRE QMVETIREQV GDKKVICALS GGVDSSVAAA
LIHEAIGDQL TCVFVDHGLL RKNEAEEVVG MFRDHMNLQV IHADETELFL GELEGQSDPE
TKRKIIGKLF IDVFQKYADQ IEGAEFLAQG TLYPDVIESV SFSGGPSVTI KSHHNVGGLP
EKMGLKLVEP LRELFKDEVR ALGRELGLPD SFIGRHPFPG PGLAIRCPGE ITRDKLDILR
EADAIYIDQI RKHGLYDEIW QAFVAILPVR TVGVMGDGRT YDYACALRAV TSVDGMTADY
YPFSHEFLGE TATRIINEVK GINRCTYDIT SKPPGTIEWE
//