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MTND_XYLFT
ID   MTND_XYLFT              Reviewed;         188 AA.
AC   Q87C37;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 102.
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=PD_1259;
OS   Xylella fastidiosa (strain Temecula1 / ATCC 700964).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xylella.
OX   NCBI_TaxID=183190;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Temecula1 / ATCC 700964;
RX   PubMed=12533478; DOI=10.1128/jb.185.3.1018-1026.2003;
RA   Van Sluys M.A., de Oliveira M.C., Monteiro-Vitorello C.B., Miyaki C.Y.,
RA   Furlan L.R., Camargo L.E.A., da Silva A.C.R., Moon D.H., Takita M.A.,
RA   Lemos E.G.M., Machado M.A., Ferro M.I.T., da Silva F.R., Goldman M.H.S.,
RA   Goldman G.H., Lemos M.V.F., El-Dorry H., Tsai S.M., Carrer H.,
RA   Carraro D.M., de Oliveira R.C., Nunes L.R., Siqueira W.J., Coutinho L.L.,
RA   Kimura E.T., Ferro E.S., Harakava R., Kuramae E.E., Marino C.L.,
RA   Giglioti E., Abreu I.L., Alves L.M.C., do Amaral A.M., Baia G.S.,
RA   Blanco S.R., Brito M.S., Cannavan F.S., Celestino A.V., da Cunha A.F.,
RA   Fenille R.C., Ferro J.A., Formighieri E.F., Kishi L.T., Leoni S.G.,
RA   Oliveira A.R., Rosa V.E. Jr., Sassaki F.T., Sena J.A.D., de Souza A.A.,
RA   Truffi D., Tsukumo F., Yanai G.M., Zaros L.G., Civerolo E.L.,
RA   Simpson A.J.G., Almeida N.F. Jr., Setubal J.C., Kitajima J.P.;
RT   "Comparative analyses of the complete genome sequences of Pierce's disease
RT   and citrus variegated chlorosis strains of Xylella fastidiosa.";
RL   J. Bacteriol. 185:1018-1026(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; AE009442; AAO29108.1; -; Genomic_DNA.
DR   RefSeq; WP_004088322.1; NC_004556.1.
DR   AlphaFoldDB; Q87C37; -.
DR   SMR; Q87C37; -.
DR   EnsemblBacteria; AAO29108; AAO29108; PD_1259.
DR   GeneID; 58016791; -.
DR   KEGG; xft:PD_1259; -.
DR   HOGENOM; CLU_125400_0_0_6; -.
DR   OMA; TTHWFDM; -.
DR   UniPathway; UPA00904; UER00878.
DR   Proteomes; UP000002516; 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.
FT   CHAIN           1..188
FT                   /note="Acireductone dioxygenase"
FT                   /id="PRO_0000359257"
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   188 AA;  21393 MW;  8C957AB74E2894D1 CRC64;
     MSRLRIFDDH TPDTPFFVSK EQAQITAELH KIGITFERWE ATQAIEPGAT AEQVMAAYRT
     DIDRLIATHG FKTVDVISIA PDNAKREEMR AKFLEEHFHK EDEVRFFVAG SGLFTVHSGN
     KVYEIECVKN DLIAIPDGTL HWFDMGAAPY FVAIRFFTEP DGWVGHFTGT DIAQRFPRYI
     PEGCQSAH
 
 
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