ID   MGSA_HAEIN              Reviewed;         152 AA.
AC   P45120;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=HI_1234;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
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, ECO:0000305}.
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DR   EMBL; L42023; AAC22887.1; -; Genomic_DNA.
DR   PIR; D64169; D64169.
DR   RefSeq; NP_439390.1; NC_000907.1.
DR   RefSeq; WP_010869160.1; NC_000907.1.
DR   STRING; 71421.HI_1234; -.
DR   EnsemblBacteria; AAC22887; AAC22887; HI_1234.
DR   KEGG; hin:HI_1234; -.
DR   PATRIC; fig|71421.8.peg.1286; -.
DR   eggNOG; COG1803; Bacteria.
DR   HOGENOM; CLU_120420_0_1_6; -.
DR   OMA; RACDVHN; -.
DR   PhylomeDB; P45120; -.
DR   BioCyc; HINF71421:G1GJ1-1265-MON; -.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0008929; F:methylglyoxal synthase activity; IBA:GO_Central.
DR   GO; GO:0019242; P:methylglyoxal biosynthetic process; IBA:GO_Central.
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; Reference proteome.
FT   CHAIN           1..152
FT                   /note="Methylglyoxal synthase"
FT                   /id="PRO_0000178631"
FT   DOMAIN          6..152
FT                   /note="MGS-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   ACT_SITE        71
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         19
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         23
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         45..48
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         65..66
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
FT   BINDING         98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00549"
SQ   SEQUENCE   152 AA;  17065 MW;  FC51303186402ABB CRC64;
     MQTTTRTLTQ HKRIALVAHD SCKKNLLNWT QKHKEALKPH ILYATGTTGH ILERETGLSI
     QSLLSGPMGG DQQLGGLIAE KKIDMMIFFW XPMNAAPHEP DVKALMRIAT VWNIPVAINQ
     SSADFLLTSV LFEQDVEIDV PDYEGYLKER LA