ID   MGSA_CALS8              Reviewed;         141 AA.
AC   A4XKM4;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 68.
DE   RecName: Full=Methylglyoxal synthase {ECO:0000255|HAMAP-Rule:MF_00549};
DE            Short=MGS {ECO:0000255|HAMAP-Rule:MF_00549};
DE            EC=4.2.3.3 {ECO:0000255|HAMAP-Rule:MF_00549};
GN   Name=mgsA {ECO:0000255|HAMAP-Rule:MF_00549}; OrderedLocusNames=Csac_1874;
OS   Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T
OS   6331).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacterales Family III. Incertae Sedis; Caldicellulosiruptor.
OX   NCBI_TaxID=351627;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43494 / DSM 8903 / Tp8T 6331;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Kiss H., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Lykidis A., van de Werken H.J.G., Verhaart M.R.A.,
RA   VanFossen A.L., Lewis D.L., Nichols J.D., Goorissen H.P., van Niel E.W.J.,
RA   Stams F.J.M., Willquist K.U., Ward D.E., van der Oost J., Kelly R.M.,
RA   Kengen S.M.W., Richardson P.;
RT   "Genome sequence of the thermophilic hydrogen-producing bacterium
RT   Caldicellulosiruptor saccharolyticus DSM 8903.";
RL   Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the formation of methylglyoxal from
CC       dihydroxyacetone phosphate. {ECO:0000255|HAMAP-Rule:MF_00549}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dihydroxyacetone phosphate = methylglyoxal + phosphate;
CC         Xref=Rhea:RHEA:17937, ChEBI:CHEBI:17158, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57642; EC=4.2.3.3; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00549};
CC   -!- SIMILARITY: Belongs to the methylglyoxal synthase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00549}.
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DR   EMBL; CP000679; ABP67459.1; -; Genomic_DNA.
DR   RefSeq; WP_011917393.1; NC_009437.1.
DR   AlphaFoldDB; A4XKM4; -.
DR   SMR; A4XKM4; -.
DR   STRING; 351627.Csac_1874; -.
DR   EnsemblBacteria; ABP67459; ABP67459; Csac_1874.
DR   GeneID; 31772658; -.
DR   KEGG; csc:Csac_1874; -.
DR   eggNOG; COG1803; Bacteria.
DR   HOGENOM; CLU_120420_1_0_9; -.
DR   OMA; FAWRELV; -.
DR   OrthoDB; 1726279at2; -.
DR   Proteomes; UP000000256; Chromosome.
DR   GO; GO:0008929; F:methylglyoxal synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019242; P:methylglyoxal biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01422; MGS; 1.
DR   Gene3D; 3.40.50.1380; -; 1.
DR   HAMAP; MF_00549; Methylglyoxal_synth; 1.
DR   InterPro; IPR004363; Methylgl_synth.
DR   InterPro; IPR018148; Methylglyoxal_synth_AS.
DR   InterPro; IPR011607; MGS-like_dom.
DR   InterPro; IPR036914; MGS-like_dom_sf.
DR   PANTHER; PTHR30492; PTHR30492; 1.
DR   Pfam; PF02142; MGS; 1.
DR   PIRSF; PIRSF006614; Methylglyox_syn; 1.
DR   SMART; SM00851; MGS; 1.
DR   SUPFAM; SSF52335; SSF52335; 1.
DR   TIGRFAMs; TIGR00160; MGSA; 1.
DR   PROSITE; PS01335; METHYLGLYOXAL_SYNTH; 1.
DR   PROSITE; PS51855; MGS; 1.
PE   3: Inferred from homology;
KW   Lyase.
FT   CHAIN           1..141
FT                   /note="Methylglyoxal synthase"
FT                   /id="PRO_1000017801"
FT   DOMAIN          1..141
FT                   /note="MGS-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   ACT_SITE        60
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         8
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         12
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         34..37
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
SQ   SEQUENCE   141 AA;  15736 MW;  D75FE8C8D922C410 CRC64;
     MNIALIAHDK KKELMVQFAI AYKFILSKHT LYATGTTGRL IQEATGLEVH RFLPGPLGGD
     QQIGSLIAYN QIDMVIFLRD PLTAQPHEPD VNALLRLCDV HNIPLATNIA TAELLIKALD
     RGDLSWREIV NPKLQKNKSD K