GUAA_LACDA
ID GUAA_LACDA Reviewed; 517 AA.
AC Q1GBU7;
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=Ldb0298;
OS Lactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081
OS / BCRC 10696 / JCM 1002 / NBRC 13953 / NCIMB 11778 / NCTC 12712 / WDCM
OS 00102 / Lb 14).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=390333;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 11842 / DSM 20081 / BCRC 10696 / JCM 1002 / NBRC 13953 / NCIMB
RC 11778 / NCTC 12712 / WDCM 00102 / Lb 14;
RX PubMed=16754859; DOI=10.1073/pnas.0603024103;
RA van de Guchte M., Penaud S., Grimaldi C., Barbe V., Bryson K., Nicolas P.,
RA Robert C., Oztas S., Mangenot S., Couloux A., Loux V., Dervyn R., Bossy R.,
RA Bolotin A., Batto J.-M., Walunas T., Gibrat J.-F., Bessieres P.,
RA Weissenbach J., Ehrlich S.D., Maguin E.;
RT "The complete genome sequence of Lactobacillus bulgaricus reveals extensive
RT and ongoing reductive evolution.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:9274-9279(2006).
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; CR954253; CAI97137.1; -; Genomic_DNA.
DR RefSeq; WP_003619442.1; NZ_JQAV01000010.1.
DR AlphaFoldDB; Q1GBU7; -.
DR SMR; Q1GBU7; -.
DR STRING; 390333.Ldb0298; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; CAI97137; CAI97137; Ldb0298.
DR GeneID; 66399295; -.
DR KEGG; ldb:Ldb0298; -.
DR PATRIC; fig|390333.13.peg.486; -.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_9; -.
DR OMA; KRKIIGH; -.
DR BioCyc; LDEL390333:LDB_RS01225-MON; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000001259; 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..517
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120326"
FT DOMAIN 11..202
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 203..392
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 88
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 517 AA; 57362 MW; 592648DD5B761E5C CRC64;
MAKIDLSNFD KIIVLDFGSQ YNQLITRRIR DFGIYSELLP HTITAEEVKK IAPKGIIFSG
GPNSVYDENA LDVDPEIFEL GIPILGICYG MQLMTQKLGG TVEKAGEAEY GSAHIEVKEA
DSPLYKGLPE KQVVWMSHGD LVTKVPEGFE VLASSKNCPI ASMADPDRKF YAVQFHAEVR
NSEYGLDILR RFAFDVCGAK DNWTMDDFIK LSVDSIREEV GNANVILGIS GGVDSSVTAT
LLHKAIGSQL TAIFVDHGLL RKNESDEVMA ALKEGLGVNI VRVDAKDRFM SKLAGVTDPE
KKRKIIGNEF VQVFNDEAKK IKDAKFLAQG TLYTDVIESG TDTAHTIKSH HNVGGLPEDM
QFKLIEPLRQ LFKDEVRVLG EKLGLPHDLV WRQPFPGPGL AIRVIGEITE EKLRIVRDAD
AILREEVKNA GLQESIWQYF VALPGMRSVG VMGDGRTYDY AVCIRAVTSI DGMTADFAQI
PWDVLQKISV RIVNEVKQVN RVLYDVTSKP PATIEYE
