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T23O_BURP0
ID   T23O_BURP0              Reviewed;         306 AA.
AC   A3NS55;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-JAN-2009, sequence version 2.
DT   03-AUG-2022, entry version 71.
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=BURPS1106A_0895;
OS   Burkholderia pseudomallei (strain 1106a).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; pseudomallei group.
OX   NCBI_TaxID=357348;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1106a;
RX   PubMed=20333227; DOI=10.1093/gbe/evq003;
RA   Losada L., Ronning C.M., DeShazer D., Woods D., Fedorova N., Kim H.S.,
RA   Shabalina S.A., Pearson T.R., Brinkac L., Tan P., Nandi T., Crabtree J.,
RA   Badger J., Beckstrom-Sternberg S., Saqib M., Schutzer S.E., Keim P.,
RA   Nierman W.C.;
RT   "Continuing evolution of Burkholderia mallei through genome reduction and
RT   large-scale rearrangements.";
RL   Genome Biol. Evol. 2:102-116(2010).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABN89254.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000572; ABN89254.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_004530854.1; NC_009076.1.
DR   AlphaFoldDB; A3NS55; -.
DR   SMR; A3NS55; -.
DR   EnsemblBacteria; ABN89254; ABN89254; BURPS1106A_0895.
DR   GeneID; 56526975; -.
DR   KEGG; bpl:BURPS1106A_0895; -.
DR   HOGENOM; CLU_063240_0_0_4; -.
DR   UniPathway; UPA00333; UER00453.
DR   Proteomes; UP000006738; Chromosome I.
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;
KW   Tryptophan catabolism.
FT   CHAIN           1..306
FT                   /note="Tryptophan 2,3-dioxygenase"
FT                   /id="PRO_0000360107"
FT   REGION          1..33
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         75..79
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         137
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         141
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
FT   BINDING         264
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         278
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01972"
SQ   SEQUENCE   306 AA;  34813 MW;  2C27E8FCE42E6F7C CRC64;
     MQPPGDDAAP RCPFAGAHAP DAPHVPEAAG DDAQAGWHRA QLDFSQSMSY GDYLSLDPIL
     DAQHPRSPDH NEMLFIIQHQ TSELWMKLAL YELRAALASI RDDALPPAFK MLARVSRVLE
     QLVQAWNVLA TMTPSEYSAM RPYLGASSGF QSYQYRELEF ILGNKNAQML RPHAHRPAIH
     AHLEASLQAP SLYDEVIRLL ARRGFPIAPE RLDADWTQPT RHDRTVEAAW LAVYREPNAH
     WELYEMAEEL VDLEDAFRQW RFRHVTTVER IIGFKQGTGG TSGAPYLRKM LDVVLFPELW
     HVRTTL
 
 
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