GUAA_LACDB
ID GUAA_LACDB Reviewed; 517 AA.
AC Q04CA4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 14-NOV-2006, sequence version 1.
DT 03-AUG-2022, entry version 102.
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=LBUL_0252;
OS Lactobacillus delbrueckii subsp. bulgaricus (strain ATCC BAA-365 / Lb-18).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=321956;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-365 / Lb-18;
RX PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT "Comparative genomics of the lactic acid bacteria.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(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; CP000412; ABJ57918.1; -; Genomic_DNA.
DR RefSeq; WP_003619442.1; NC_008529.1.
DR AlphaFoldDB; Q04CA4; -.
DR SMR; Q04CA4; -.
DR MEROPS; C26.957; -.
DR GeneID; 66399295; -.
DR KEGG; lbu:LBUL_0252; -.
DR HOGENOM; CLU_014340_0_5_9; -.
DR OMA; KRKIIGH; -.
DR BioCyc; LDEL321956:LBUL_RS01170-MON; -.
DR UniPathway; UPA00189; UER00296.
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..517
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120327"
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
