GUAA_LACGA
ID GUAA_LACGA Reviewed; 517 AA.
AC Q046I2;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 14-NOV-2006, sequence version 1.
DT 03-AUG-2022, entry version 98.
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=LGAS_0231;
OS Lactobacillus gasseri (strain ATCC 33323 / DSM 20243 / BCRC 14619 / CIP
OS 102991 / JCM 1131 / KCTC 3163 / NCIMB 11718 / NCTC 13722 / AM63).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=324831;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33323 / DSM 20243 / BCRC 14619 / CIP 102991 / JCM 1131 / KCTC
RC 3163 / NCIMB 11718 / NCTC 13722 / AM63;
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; CP000413; ABJ59640.1; -; Genomic_DNA.
DR RefSeq; WP_003650766.1; NZ_WBMG01000001.1.
DR AlphaFoldDB; Q046I2; -.
DR SMR; Q046I2; -.
DR GeneID; 66468342; -.
DR KEGG; lga:LGAS_0231; -.
DR HOGENOM; CLU_014340_0_5_9; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR BioCyc; LGAS324831:G1G6Y-228-MON; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000000664; 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..517
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120328"
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; 58004 MW; 33EF9DBA5795503C CRC64;
MAKTNLNDFD KIIVLDFGSQ YNQLITRRIR DFGIYSELLP HDLSIEKIKK MAPKGIIFSG
GPNSVYDEGA LKVDPEIFKL GIPILGICYG MQLMSYDLGG KVEKADNSEY GRADIEVTDP
NAVLFEGLPK EQYVWMSHGD LVTKAPEGFK VTAKSKNCPI SAIANDEKKF YGIQFHAEVR
NSEYGLDILK NFAFNVCDAK ANWTMDDFIE MQVDEIREKV GDKKVILGLS GGVDSSVTAT
LLHKAIGDQL TAIFVDHGML RKDEGDQVMQ ALNKDLGVNI IRVNAQKRFL DKLKGVTDPE
QKRKIIGKEF IEVFNEEAKK LKDVDFLAQG TLYTDVIESG TNTAQTIKSH HNVGGLPEDM
HFELIEPLRK LFKDEVRELG EKLGIPHDLV WRQPFPGPGL AIRVLGEVTE DKLKIVRESD
AILRDEIKKA GLQEDIWQYF TVLPGIRSVG VMGDGRTYDY TIGIRAVTSI DGMTADFAKL
PWDVLSKIST RIVDECDHIN RVVYDITSKP PSTIEWE
