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T23O_BACAN
ID   T23O_BACAN              Reviewed;         279 AA.
AC   Q81PQ0; Q6HXW4; Q6KRY6;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 117.
DE   RecName: Full=Tryptophan 2,3-dioxygenase {ECO:0000255|HAMAP-Rule:MF_01972};
DE            Short=TDO {ECO:0000255|HAMAP-Rule:MF_01972};
DE            EC=1.13.11.11 {ECO:0000255|HAMAP-Rule:MF_01972};
DE   AltName: Full=Tryptamin 2,3-dioxygenase {ECO:0000255|HAMAP-Rule:MF_01972};
DE   AltName: Full=Tryptophan oxygenase {ECO:0000255|HAMAP-Rule:MF_01972};
DE            Short=TO {ECO:0000255|HAMAP-Rule:MF_01972};
DE            Short=TRPO {ECO:0000255|HAMAP-Rule:MF_01972};
DE   AltName: Full=Tryptophan pyrrolase {ECO:0000255|HAMAP-Rule:MF_01972};
DE   AltName: Full=Tryptophanase {ECO:0000255|HAMAP-Rule:MF_01972};
GN   Name=kynA {ECO:0000255|HAMAP-Rule:MF_01972};
GN   OrderedLocusNames=BA_2751, GBAA_2751, BAS2565;
OS   Bacillus anthracis.
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=1392;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames / isolate Porton;
RX   PubMed=12721629; DOI=10.1038/nature01586;
RA   Read T.D., Peterson S.N., Tourasse N.J., Baillie L.W., Paulsen I.T.,
RA   Nelson K.E., Tettelin H., Fouts D.E., Eisen J.A., Gill S.R.,
RA   Holtzapple E.K., Okstad O.A., Helgason E., Rilstone J., Wu M.,
RA   Kolonay J.F., Beanan M.J., Dodson R.J., Brinkac L.M., Gwinn M.L.,
RA   DeBoy R.T., Madpu R., Daugherty S.C., Durkin A.S., Haft D.H., Nelson W.C.,
RA   Peterson J.D., Pop M., Khouri H.M., Radune D., Benton J.L., Mahamoud Y.,
RA   Jiang L., Hance I.R., Weidman J.F., Berry K.J., Plaut R.D., Wolf A.M.,
RA   Watkins K.L., Nierman W.C., Hazen A., Cline R.T., Redmond C., Thwaite J.E.,
RA   White O., Salzberg S.L., Thomason B., Friedlander A.M., Koehler T.M.,
RA   Hanna P.C., Kolstoe A.-B., Fraser C.M.;
RT   "The genome sequence of Bacillus anthracis Ames and comparison to closely
RT   related bacteria.";
RL   Nature 423:81-86(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sterne;
RA   Brettin T.S., Bruce D., Challacombe J.F., Gilna P., Han C., Hill K.,
RA   Hitchcock P., Jackson P., Keim P., Longmire J., Lucas S., Okinaka R.,
RA   Richardson P., Rubin E., Tice H.;
RT   "Complete genome sequence of Bacillus anthracis Sterne.";
RL   Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames ancestor;
RX   PubMed=18952800; DOI=10.1128/jb.01347-08;
RA   Ravel J., Jiang L., Stanley S.T., Wilson M.R., Decker R.S., Read T.D.,
RA   Worsham P., Keim P.S., Salzberg S.L., Fraser-Liggett C.M., Rasko D.A.;
RT   "The complete genome sequence of Bacillus anthracis Ames 'Ancestor'.";
RL   J. Bacteriol. 191:445-446(2009).
CC   -!- FUNCTION: Heme-dependent dioxygenase that catalyzes the oxidative
CC       cleavage of the L-tryptophan (L-Trp) pyrrole ring and converts L-
CC       tryptophan to N-formyl-L-kynurenine. Catalyzes the oxidative cleavage
CC       of the indole moiety. {ECO:0000255|HAMAP-Rule:MF_01972}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-tryptophan + O2 = N-formyl-L-kynurenine;
CC         Xref=Rhea:RHEA:24536, ChEBI:CHEBI:15379, ChEBI:CHEBI:57912,
CC         ChEBI:CHEBI:58629; EC=1.13.11.11; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01972};
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01972};
CC       Note=Binds 1 heme group per subunit. {ECO:0000255|HAMAP-Rule:MF_01972};
CC   -!- PATHWAY: Amino-acid degradation; L-tryptophan degradation via
CC       kynurenine pathway; L-kynurenine from L-tryptophan: step 1/2.
CC       {ECO:0000255|HAMAP-Rule:MF_01972}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01972}.
CC   -!- SIMILARITY: Belongs to the tryptophan 2,3-dioxygenase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01972}.
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DR   EMBL; AE016879; AAP26587.1; -; Genomic_DNA.
DR   EMBL; AE017334; AAT31867.1; -; Genomic_DNA.
DR   EMBL; AE017225; AAT54875.1; -; Genomic_DNA.
DR   RefSeq; NP_845101.1; NC_003997.3.
DR   RefSeq; WP_000661969.1; NZ_WXXJ01000026.1.
DR   RefSeq; YP_028824.1; NC_005945.1.
DR   AlphaFoldDB; Q81PQ0; -.
DR   SMR; Q81PQ0; -.
DR   STRING; 260799.BAS2565; -.
DR   DNASU; 1088379; -.
DR   EnsemblBacteria; AAP26587; AAP26587; BA_2751.
DR   EnsemblBacteria; AAT31867; AAT31867; GBAA_2751.
DR   GeneID; 45022593; -.
DR   KEGG; ban:BA_2751; -.
DR   KEGG; bar:GBAA_2751; -.
DR   KEGG; bat:BAS2565; -.
DR   PATRIC; fig|198094.11.peg.2735; -.
DR   eggNOG; COG3483; Bacteria.
DR   HOGENOM; CLU_063240_0_0_9; -.
DR   OMA; WRWRNDH; -.
DR   UniPathway; UPA00333; UER00453.
DR   Proteomes; UP000000427; Chromosome.
DR   Proteomes; UP000000594; Chromosome.
DR   GO; GO:0020037; F:heme binding; ISS:UniProtKB.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004833; F:tryptophan 2,3-dioxygenase activity; ISS:UniProtKB.
DR   GO; GO:0019441; P:tryptophan catabolic process to kynurenine; ISS:UniProtKB.
DR   HAMAP; MF_01972; T23O; 1.
DR   InterPro; IPR037217; Trp/Indoleamine_2_3_dOase-like.
DR   InterPro; IPR017485; Trp_2-3-dOase_bac.
DR   InterPro; IPR004981; Trp_2_3_dOase.
DR   PANTHER; PTHR10138; PTHR10138; 2.
DR   Pfam; PF03301; Trp_dioxygenase; 1.
DR   SUPFAM; SSF140959; SSF140959; 1.
DR   TIGRFAMs; TIGR03036; trp_2_3_diox; 1.
PE   3: Inferred from homology;
KW   Dioxygenase; Heme; Iron; Metal-binding; Oxidoreductase; Reference proteome;
KW   Tryptophan catabolism.
FT   CHAIN           1..279
FT                   /note="Tryptophan 2,3-dioxygenase"
FT                   /id="PRO_0000360084"
FT   BINDING         48..52
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         110
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         237
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         251
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
SQ   SEQUENCE   279 AA;  32758 MW;  3B99D150F6ED0624 CRC64;
     MKENEKVIME KGIHTDFKEN MTYGEYLQLD SLLSSQKRLS DHHDEMLFIV IHQASELWMK
     LILHELNAAI ESIKQDKLQP AFKMLARVSK IQSQIIQSWD ILATLTPSEY IEFRDSLGQA
     SGFQSYQYRM IEYALGYKTP HALKIYEKDP ELHARLHTAL HAPSLYNVAI QALVKEGFPI
     HKDVLNRDIT QPYEEDATVE AAWLEVYADV KKYWNLYQLA EKLIDIEDWL QQWRFRHMKT
     VERIIGHKMG TGGSSGVSYL KRVLDQRFFP ELWNVRTKL
 
 
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