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MTND_BACCZ
ID   MTND_BACCZ              Reviewed;         170 AA.
AC   Q635P0;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
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=BCE33L3796;
OS   Bacillus cereus (strain ZK / E33L).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=288681;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ZK / E33L;
RX   PubMed=16621833; DOI=10.1128/jb.188.9.3382-3390.2006;
RA   Han C.S., Xie G., Challacombe J.F., Altherr M.R., Bhotika S.S., Bruce D.,
RA   Campbell C.S., Campbell M.L., Chen J., Chertkov O., Cleland C.,
RA   Dimitrijevic M., Doggett N.A., Fawcett J.J., Glavina T., Goodwin L.A.,
RA   Hill K.K., Hitchcock P., Jackson P.J., Keim P., Kewalramani A.R.,
RA   Longmire J., Lucas S., Malfatti S., McMurry K., Meincke L.J., Misra M.,
RA   Moseman B.L., Mundt M., Munk A.C., Okinaka R.T., Parson-Quintana B.,
RA   Reilly L.P., Richardson P., Robinson D.L., Rubin E., Saunders E., Tapia R.,
RA   Tesmer J.G., Thayer N., Thompson L.S., Tice H., Ticknor L.O., Wills P.L.,
RA   Brettin T.S., Gilna P.;
RT   "Pathogenomic sequence analysis of Bacillus cereus and Bacillus
RT   thuringiensis isolates closely related to Bacillus anthracis.";
RL   J. Bacteriol. 188:3382-3390(2006).
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; CP000001; AAU16471.1; -; Genomic_DNA.
DR   RefSeq; WP_000057309.1; NZ_CP009968.1.
DR   AlphaFoldDB; Q635P0; -.
DR   SMR; Q635P0; -.
DR   EnsemblBacteria; AAU16471; AAU16471; BCE33L3796.
DR   KEGG; bcz:BCE33L3796; -.
DR   PATRIC; fig|288681.22.peg.1607; -.
DR   OMA; TTHWFDM; -.
DR   UniPathway; UPA00904; UER00878.
DR   Proteomes; UP000002612; 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..170
FT                   /note="Acireductone dioxygenase"
FT                   /id="PRO_0000359175"
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         101
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         101
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         105
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         105
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         144
FT                   /ligand="Fe(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29033"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   BINDING         144
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            98
FT                   /note="May play a role in metal incorporation in vivo"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            104
FT                   /note="May play a role in transmitting local conformational
FT                   changes"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
FT   SITE            107
FT                   /note="Important to generate the dianion"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01682"
SQ   SEQUENCE   170 AA;  19549 MW;  1793D0FA6E79B796 CRC64;
     MAQIRIHEVN TRIENEVEVS KFLQEEGVLY EKWNISKLPP HLNENYSLTD ENKAEILAVF
     SKEIADVSAR RGYKAHDVIS LSNSTPNLDE LLINFQKEHH HTDDEVRFIV SGHGIFAIEG
     KDGTFFDVEL EPGDLISVPE NARHYFTLQD DRQVVAIRIF VTTEGWVPIY
 
 
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