GUAA_PORG3
ID GUAA_PORG3 Reviewed; 506 AA.
AC B2RIF9;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 03-AUG-2022, entry version 80.
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=PGN_0635;
OS Porphyromonas gingivalis (strain ATCC 33277 / DSM 20709 / CIP 103683 / JCM
OS 12257 / NCTC 11834 / 2561).
OC Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae;
OC Porphyromonas.
OX NCBI_TaxID=431947;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33277 / DSM 20709 / CIP 103683 / JCM 12257 / NCTC 11834 / 2561;
RX PubMed=18524787; DOI=10.1093/dnares/dsn013;
RA Naito M., Hirakawa H., Yamashita A., Ohara N., Shoji M., Yukitake H.,
RA Nakayama K., Toh H., Yoshimura F., Kuhara S., Hattori M., Hayashi T.,
RA Nakayama K.;
RT "Determination of the genome sequence of Porphyromonas gingivalis strain
RT ATCC 33277 and genomic comparison with strain W83 revealed extensive genome
RT rearrangements in P. gingivalis.";
RL DNA Res. 15:215-225(2008).
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; AP009380; BAG33154.1; -; Genomic_DNA.
DR RefSeq; WP_012457664.1; NZ_CP025930.1.
DR AlphaFoldDB; B2RIF9; -.
DR SMR; B2RIF9; -.
DR STRING; 431947.PGN_0635; -.
DR MEROPS; C26.957; -.
DR PRIDE; B2RIF9; -.
DR EnsemblBacteria; BAG33154; BAG33154; PGN_0635.
DR GeneID; 29255861; -.
DR KEGG; pgn:PGN_0635; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_10; -.
DR OMA; KRKIIGH; -.
DR BioCyc; PGIN431947:G1G2V-698-MON; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000008842; 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.
FT CHAIN 1..506
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120356"
FT DOMAIN 4..192
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 193..381
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 79
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 167
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 169
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 220..226
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 506 AA; 56722 MW; 6380CAE674C450B5 CRC64;
MLEKLIILDF GSQTTQLIAR RIRELNTYCE VYPYNKLPED LSGVRGIILS GSPYSVYDSK
AFRIELSELR GKLPLLGICY GAQSLVHQAG GKVEPCDSRE YGRTHLTLRQ PEDALLTGLQ
SGTTVWMSHG DTITSLPEGF EVIAGTEDVP NAAFRIRGEK TWGVQFHPEI YHSEEGTKLL
GNFLDICGMK RDWTPASFIE ATVQELRERL GDDKVILALS GGVDSSVVAV LLNKAIGRNL
TCIFVDHGLL RKGEFERVLQ DYEHLGLNVI GVNAKEKFFA ALSGVTDPEQ KRKIIGRGFI
EVFDEEARKL KDIKWLGQGT IYPDVIESLS ITGMVIKSHH NVGGLPERMN LRLVEPLRML
FKDEVRRVGL ELGMMPHLIH RHPFPGPGLG IRILGEITEE KATILQNADD IYMSLMREWG
LYDQVWQAGA ILLPVRSVGV MGDERTYEYT VALRAVTSMD AMSADWVHLP YDFLAKVSNE
IINKVRGVNR VVYDISSKPP STIEWE
