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T23O_BACAH
ID   T23O_BACAH              Reviewed;         279 AA.
AC   A0REX0;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 79.
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}; OrderedLocusNames=BALH_2476;
OS   Bacillus thuringiensis (strain Al Hakam).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=412694;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Al Hakam;
RX   PubMed=17337577; DOI=10.1128/jb.00241-07;
RA   Challacombe J.F., Altherr M.R., Xie G., Bhotika S.S., Brown N., 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   Green L.D., Han C.S., Hill K.K., Hitchcock P., Jackson P.J., Keim P.,
RA   Kewalramani A.R., Longmire J., Lucas S., Malfatti S., Martinez D.,
RA   McMurry K., Meincke L.J., Misra M., Moseman B.L., Mundt M., Munk A.C.,
RA   Okinaka R.T., Parson-Quintana B., Reilly L.P., Richardson P.,
RA   Robinson D.L., Saunders E., Tapia R., Tesmer J.G., Thayer N.,
RA   Thompson L.S., Tice H., Ticknor L.O., Wills P.L., Gilna P., Brettin T.S.;
RT   "The complete genome sequence of Bacillus thuringiensis Al Hakam.";
RL   J. Bacteriol. 189:3680-3681(2007).
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; CP000485; ABK85763.1; -; Genomic_DNA.
DR   RefSeq; WP_000661967.1; NC_008600.1.
DR   AlphaFoldDB; A0REX0; -.
DR   SMR; A0REX0; -.
DR   EnsemblBacteria; ABK85763; ABK85763; BALH_2476.
DR   KEGG; btl:BALH_2476; -.
DR   HOGENOM; CLU_063240_0_0_9; -.
DR   OMA; WRWRNDH; -.
DR   UniPathway; UPA00333; UER00453.
DR   Proteomes; UP000000761; 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;
KW   Tryptophan catabolism.
FT   CHAIN           1..279
FT                   /note="Tryptophan 2,3-dioxygenase"
FT                   /id="PRO_0000360083"
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;  32759 MW;  6C2F078B9B5BD0FF CRC64;
     MKENEKVIME KGIHTDFKEN MTYGEYLQLD SLLSSQKRLS DHHDEMLFIV IHQASELWMK
     LILHELNAAI ESIKQDKLQP AFKMLARVSK IQSQIIQSWD ILATLTPSEY IEFRDSLGQA
     SGFQSYQYRM IEYALGYKTP HALKIYEKDP ELHARLHTAL HAPSLYDVAI QALVKEGFPI
     HKDVLNRDIT QPYEEDATVE AAWLEVYADV KKYWNLYQLA EKLIDIEDWL QQWRFRHMKT
     VERIIGHKMG TGGSSGVSYL KRVLDQRFFP ELWNVRTKL
 
 
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