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MTND_PSESM
ID   MTND_PSESM              Reviewed;         181 AA.
AC   Q884P2;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Acireductone dioxygenase {ECO:0000255|HAMAP-Rule:MF_01682};
DE   AltName: Full=1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase {ECO:0000255|HAMAP-Rule:MF_01682};
DE            Short=DHK-MTPene dioxygenase {ECO:0000255|HAMAP-Rule:MF_01682};
DE   AltName: Full=Acireductone dioxygenase (Fe(2+)-requiring) {ECO:0000255|HAMAP-Rule:MF_01682};
DE            Short=ARD' {ECO:0000255|HAMAP-Rule:MF_01682};
DE            Short=Fe-ARD {ECO:0000255|HAMAP-Rule:MF_01682};
DE            EC=1.13.11.54 {ECO:0000255|HAMAP-Rule:MF_01682};
DE   AltName: Full=Acireductone dioxygenase (Ni(2+)-requiring) {ECO:0000255|HAMAP-Rule:MF_01682};
DE            Short=ARD {ECO:0000255|HAMAP-Rule:MF_01682};
DE            Short=Ni-ARD {ECO:0000255|HAMAP-Rule:MF_01682};
DE            EC=1.13.11.53 {ECO:0000255|HAMAP-Rule:MF_01682};
GN   Name=mtnD {ECO:0000255|HAMAP-Rule:MF_01682}; OrderedLocusNames=PSPTO_2046;
OS   Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=223283;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-871 / DC3000;
RX   PubMed=12928499; DOI=10.1073/pnas.1731982100;
RA   Buell C.R., Joardar V., Lindeberg M., Selengut J., Paulsen I.T.,
RA   Gwinn M.L., Dodson R.J., DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R.,
RA   Daugherty S.C., Brinkac L.M., Beanan M.J., Haft D.H., Nelson W.C.,
RA   Davidsen T.M., Zafar N., Zhou L., Liu J., Yuan Q., Khouri H.M.,
RA   Fedorova N.B., Tran B., Russell D., Berry K.J., Utterback T.R.,
RA   Van Aken S.E., Feldblyum T.V., D'Ascenzo M., Deng W.-L., Ramos A.R.,
RA   Alfano J.R., Cartinhour S., Chatterjee A.K., Delaney T.P., Lazarowitz S.G.,
RA   Martin G.B., Schneider D.J., Tang X., Bender C.L., White O., Fraser C.M.,
RA   Collmer A.;
RT   "The complete genome sequence of the Arabidopsis and tomato pathogen
RT   Pseudomonas syringae pv. tomato DC3000.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10181-10186(2003).
CC   -!- FUNCTION: Catalyzes 2 different reactions between oxygen and the
CC       acireductone 1,2-dihydroxy-3-keto-5-methylthiopentene (DHK-MTPene)
CC       depending upon the metal bound in the active site. Fe-containing
CC       acireductone dioxygenase (Fe-ARD) produces formate and 2-keto-4-
CC       methylthiobutyrate (KMTB), the alpha-ketoacid precursor of methionine
CC       in the methionine recycle pathway. Ni-containing acireductone
CC       dioxygenase (Ni-ARD) produces methylthiopropionate, carbon monoxide and
CC       formate, and does not lie on the methionine recycle pathway.
CC       {ECO:0000255|HAMAP-Rule:MF_01682}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1,2-dihydroxy-5-(methylsulfanyl)pent-1-en-3-one + O2 = 3-
CC         (methylsulfanyl)propanoate + CO + formate + 2 H(+);
CC         Xref=Rhea:RHEA:14161, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC         ChEBI:CHEBI:15740, ChEBI:CHEBI:17245, ChEBI:CHEBI:49016,
CC         ChEBI:CHEBI:49252; EC=1.13.11.53; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01682};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1,2-dihydroxy-5-(methylsulfanyl)pent-1-en-3-one + O2 = 4-
CC         methylsulfanyl-2-oxobutanoate + formate + 2 H(+);
CC         Xref=Rhea:RHEA:24504, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC         ChEBI:CHEBI:15740, ChEBI:CHEBI:16723, ChEBI:CHEBI:49252;
CC         EC=1.13.11.54; Evidence={ECO:0000255|HAMAP-Rule:MF_01682};
CC   -!- COFACTOR:
CC       Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01682};
CC       Note=Binds 1 Fe(2+) cation per monomer. {ECO:0000255|HAMAP-
CC       Rule:MF_01682};
CC   -!- COFACTOR:
CC       Name=Ni(2+); Xref=ChEBI:CHEBI:49786;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01682};
CC       Note=Binds 1 nickel ion per monomer. {ECO:0000255|HAMAP-Rule:MF_01682};
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 5/6. {ECO:0000255|HAMAP-Rule:MF_01682}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01682}.
CC   -!- SIMILARITY: Belongs to the acireductone dioxygenase (ARD) family.
CC       {ECO:0000255|HAMAP-Rule:MF_01682}.
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DR   EMBL; AE016853; AAO55564.1; -; Genomic_DNA.
DR   RefSeq; NP_791869.1; NC_004578.1.
DR   RefSeq; WP_011103818.1; NC_004578.1.
DR   AlphaFoldDB; Q884P2; -.
DR   SMR; Q884P2; -.
DR   STRING; 223283.PSPTO_2046; -.
DR   PRIDE; Q884P2; -.
DR   EnsemblBacteria; AAO55564; AAO55564; PSPTO_2046.
DR   GeneID; 1183691; -.
DR   KEGG; pst:PSPTO_2046; -.
DR   PATRIC; fig|223283.9.peg.2077; -.
DR   eggNOG; COG1791; Bacteria.
DR   HOGENOM; CLU_125400_0_0_6; -.
DR   OMA; TTHWFDM; -.
DR   OrthoDB; 1964262at2; -.
DR   PhylomeDB; Q884P2; -.
DR   UniPathway; UPA00904; UER00878.
DR   Proteomes; UP000002515; Chromosome.
DR   GO; GO:0010308; F:acireductone dioxygenase (Ni2+-requiring) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0010309; F:acireductone dioxygenase [iron(II)-requiring] activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016151; F:nickel cation binding; 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   CDD; cd02232; cupin_ARD; 1.
DR   Gene3D; 2.60.120.10; -; 1.
DR   HAMAP; MF_01682; Salvage_MtnD; 1.
DR   InterPro; IPR004313; ARD.
DR   InterPro; IPR023956; ARD_bac.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   PANTHER; PTHR23418; PTHR23418; 1.
DR   Pfam; PF03079; ARD; 1.
DR   SUPFAM; SSF51182; SSF51182; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Dioxygenase; Iron; Metal-binding;
KW   Methionine biosynthesis; Nickel; Oxidoreductase; Reference proteome.
FT   CHAIN           1..181
FT                   /note="Acireductone dioxygenase"
FT                   /id="PRO_0000359225"
FT   BINDING         97
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         97
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         99
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         99
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         103
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         103
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         141
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         141
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            96
FT                   /note="May play a role in metal incorporation in vivo"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            102
FT                   /note="May play a role in transmitting local conformational
FT                   changes"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            105
FT                   /note="Important to generate the dianion"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
SQ   SEQUENCE   181 AA;  20461 MW;  AEE13A6CCDC51A6B CRC64;
     MSSLSVYHVS SPDIPNKVLT HLEDIASTLA EHGVAFDRWE AATPITPGAS QEEVINAYRT
     QIDTLMTRHG YVTVDVISLN SDHPQKAELR ARFLEEHRHG EDEVRFFVAG RGLFTLHIDD
     YVYAVLCEKN DLISVPAGTR HWFDMGENPH FVAIRLFNNP DGWVANFTGE DIAGRFPRLE
     D
 
 
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