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Database: UniProt
Entry: GUAA_OCEIH
LinkDB: GUAA_OCEIH
Original site: GUAA_OCEIH 
ID   GUAA_OCEIH              Reviewed;         511 AA.
AC   Q8CXK8;
DT   01-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   24-JAN-2024, entry version 128.
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=OB0716;
OS   Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 / KCTC
OS   3954 / HTE831).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Oceanobacillus.
OX   NCBI_TaxID=221109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831;
RX   PubMed=12235376; DOI=10.1093/nar/gkf526;
RA   Takami H., Takaki Y., Uchiyama I.;
RT   "Genome sequence of Oceanobacillus iheyensis isolated from the Iheya Ridge
RT   and its unexpected adaptive capabilities to extreme environments.";
RL   Nucleic Acids Res. 30:3927-3935(2002).
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; BA000028; BAC12672.1; -; Genomic_DNA.
DR   RefSeq; WP_011065124.1; NC_004193.1.
DR   AlphaFoldDB; Q8CXK8; -.
DR   SMR; Q8CXK8; -.
DR   STRING; 221109.gene:10732937; -.
DR   KEGG; oih:OB0716; -.
DR   eggNOG; COG0518; Bacteria.
DR   eggNOG; COG0519; Bacteria.
DR   HOGENOM; CLU_014340_0_5_9; -.
DR   OMA; DQLTCMF; -.
DR   OrthoDB; 9802219at2; -.
DR   PhylomeDB; Q8CXK8; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000000822; 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; IPR022310; NAD/GMP_synthase.
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; PF02540; NAD_synthase; 1.
DR   PRINTS; PR00097; ANTSNTHASEII.
DR   PRINTS; PR00099; CPSGATASE.
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..511
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_0000140154"
FT   DOMAIN          6..196
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          197..386
FT                   /note="GMPS ATP-PPase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        83
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        170
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        172
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         224..230
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   511 AA;  57370 MW;  8812163DD322B847 CRC64;
     MENNELVLVL DFGSQYNQLI TRRIREFGVY SELHSHKLTA EEIKEMNPKG IILSGGPHSV
     YDENSFRCDE GIFELGIPVL GICYGMQLMS LHYDGKVERS KNREYGKALI ELDGEPVLFK
     DTPKGQTVWM SHGDKVTAAP PSFNIDATSP STPIAAISNV EKNLYGVQFH PEVRHTEYGN
     DLLNRFVFDV CGCTGDWSIE NFIDMEVEKI QETVGDRKVL CALSGGVDSS VVAALIHKAI
     GDQLTCIFVD HGLLRKNEGD DVMKVFAEDF QMNIIKVDAK DRFLFKLEGV SDPELKRKII
     GNEFIYVFDD EASKLKDIDF LAQGTLYTDV IESGTDTAQT IKSHHNVGGL PEDMQFTLIE
     PLNTLFKDEV RELGSQLGVP DRIVWRQPFP GPGLAIRILG EVTEEHLEIV RESDAILREE
     IAKAGLDRDI WQYFTVLPNI KSVGVMGDAR TYAHTIGIRA VTSIDGMTSD WARIPWDVLE
     RISTRLVNDV DNINRVVYDV TSKPPATIEW E
//
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