ID   MTNX_MICAN              Reviewed;         210 AA.
AC   B0JX47;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   18-MAR-2008, sequence version 1.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate phosphatase {ECO:0000255|HAMAP-Rule:MF_01680};
DE            Short=HK-MTPenyl-1-P phosphatase {ECO:0000255|HAMAP-Rule:MF_01680};
DE            EC=3.1.3.87 {ECO:0000255|HAMAP-Rule:MF_01680};
GN   Name=mtnX {ECO:0000255|HAMAP-Rule:MF_01680}; OrderedLocusNames=MAE_51120;
OS   Microcystis aeruginosa (strain NIES-843 / IAM M-2473).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Microcystaceae; Microcystis.
OX   NCBI_TaxID=449447;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-843 / IAM M-247;
RX   PubMed=18192279; DOI=10.1093/dnares/dsm026;
RA   Kaneko T., Nakajima N., Okamoto S., Suzuki I., Tanabe Y., Tamaoki M.,
RA   Nakamura Y., Kasai F., Watanabe A., Kawashima K., Kishida Y., Ono A.,
RA   Shimizu Y., Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M.,
RA   Nakazaki N., Nakayama S., Yamada M., Tabata S., Watanabe M.M.;
RT   "Complete genomic structure of the bloom-forming toxic cyanobacterium
RT   Microcystis aeruginosa NIES-843.";
RL   DNA Res. 14:247-256(2007).
CC   -!- FUNCTION: Dephosphorylates 2-hydroxy-3-keto-5-methylthiopentenyl-1-
CC       phosphate (HK-MTPenyl-1-P) yielding 1,2-dihydroxy-3-keto-5-
CC       methylthiopentene (DHK-MTPene). {ECO:0000255|HAMAP-Rule:MF_01680}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-hydroxy-5-methylsulfanyl-3-oxopent-1-enyl phosphate + H2O =
CC         1,2-dihydroxy-5-(methylsulfanyl)pent-1-en-3-one + phosphate;
CC         Xref=Rhea:RHEA:14481, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:49252, ChEBI:CHEBI:59505; EC=3.1.3.87;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01680};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via salvage
CC       pathway; L-methionine from S-methyl-5-thio-alpha-D-ribose 1-phosphate:
CC       step 4/6. {ECO:0000255|HAMAP-Rule:MF_01680}.
CC   -!- SIMILARITY: Belongs to the HAD-like hydrolase superfamily. MtnX family.
CC       {ECO:0000255|HAMAP-Rule:MF_01680}.
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DR   EMBL; AP009552; BAG04934.1; -; Genomic_DNA.
DR   RefSeq; WP_004161025.1; NC_010296.1.
DR   AlphaFoldDB; B0JX47; -.
DR   SMR; B0JX47; -.
DR   STRING; 449447.MAE_51120; -.
DR   PaxDb; B0JX47; -.
DR   EnsemblBacteria; BAG04934; BAG04934; MAE_51120.
DR   KEGG; mar:MAE_51120; -.
DR   eggNOG; COG4359; Bacteria.
DR   HOGENOM; CLU_058495_2_1_3; -.
DR   OMA; AIFCDFD; -.
DR   OrthoDB; 1755462at2; -.
DR   BioCyc; MAER449447:MAE_RS22210-MON; -.
DR   UniPathway; UPA00904; UER00877.
DR   Proteomes; UP000001510; Chromosome.
DR   GO; GO:0043716; F:2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate phosphatase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019509; P:L-methionine salvage from methylthioadenosine; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019284; P:L-methionine salvage from S-adenosylmethionine; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.1000; -; 1.
DR   HAMAP; MF_01680; Salvage_MtnX; 1.
DR   InterPro; IPR036412; HAD-like_sf.
DR   InterPro; IPR017718; HAD-SF_hydro_IB_MtnX.
DR   InterPro; IPR023214; HAD_sf.
DR   SUPFAM; SSF56784; SSF56784; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Hydrolase; Methionine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..210
FT                   /note="2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate
FT                   phosphatase"
FT                   /id="PRO_0000357489"
SQ   SEQUENCE   210 AA;  23806 MW;  45098A7F26E158FC CRC64;
     MSKIVFCDFD GTITAVETFA GMLKEFAPDL SAQIMPQMYA RTLTLRRGVR QLLESIPSQK
     YADILAYAES KPIRPGLAEF LAFLQEQSIP FIIISGGIQG MIETVLKREG LLDKVTAIYG
     VNLHTQGEYL QVHSDWENET ELVAKALIMA KYSGVETIAI GDSVTDITMA RRADLVFARD
     RLIDYLQAEN QPYIPWDNFF EIREYLLLRD