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KYNU_BOTFB
ID   KYNU_BOTFB              Reviewed;         475 AA.
AC   A6RSP5;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Kynureninase {ECO:0000255|HAMAP-Rule:MF_03017};
DE            EC=3.7.1.3 {ECO:0000255|HAMAP-Rule:MF_03017};
DE   AltName: Full=Biosynthesis of nicotinic acid protein 5 {ECO:0000255|HAMAP-Rule:MF_03017};
DE   AltName: Full=L-kynurenine hydrolase {ECO:0000255|HAMAP-Rule:MF_03017};
GN   Name=bna5; ORFNames=BC1G_03468;
OS   Botryotinia fuckeliana (strain B05.10) (Noble rot fungus) (Botrytis
OS   cinerea).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Leotiomycetes;
OC   Helotiales; Sclerotiniaceae; Botrytis.
OX   NCBI_TaxID=332648;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B05.10;
RX   PubMed=21876677; DOI=10.1371/journal.pgen.1002230;
RA   Amselem J., Cuomo C.A., van Kan J.A.L., Viaud M., Benito E.P., Couloux A.,
RA   Coutinho P.M., de Vries R.P., Dyer P.S., Fillinger S., Fournier E.,
RA   Gout L., Hahn M., Kohn L., Lapalu N., Plummer K.M., Pradier J.-M.,
RA   Quevillon E., Sharon A., Simon A., ten Have A., Tudzynski B., Tudzynski P.,
RA   Wincker P., Andrew M., Anthouard V., Beever R.E., Beffa R., Benoit I.,
RA   Bouzid O., Brault B., Chen Z., Choquer M., Collemare J., Cotton P.,
RA   Danchin E.G., Da Silva C., Gautier A., Giraud C., Giraud T., Gonzalez C.,
RA   Grossetete S., Gueldener U., Henrissat B., Howlett B.J., Kodira C.,
RA   Kretschmer M., Lappartient A., Leroch M., Levis C., Mauceli E.,
RA   Neuveglise C., Oeser B., Pearson M., Poulain J., Poussereau N.,
RA   Quesneville H., Rascle C., Schumacher J., Segurens B., Sexton A., Silva E.,
RA   Sirven C., Soanes D.M., Talbot N.J., Templeton M., Yandava C., Yarden O.,
RA   Zeng Q., Rollins J.A., Lebrun M.-H., Dickman M.;
RT   "Genomic analysis of the necrotrophic fungal pathogens Sclerotinia
RT   sclerotiorum and Botrytis cinerea.";
RL   PLoS Genet. 7:E1002230-E1002230(2011).
CC   -!- FUNCTION: Catalyzes the cleavage of L-kynurenine (L-Kyn) and L-3-
CC       hydroxykynurenine (L-3OHKyn) into anthranilic acid (AA) and 3-
CC       hydroxyanthranilic acid (3-OHAA), respectively. {ECO:0000255|HAMAP-
CC       Rule:MF_03017}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-kynurenine = anthranilate + H(+) + L-alanine;
CC         Xref=Rhea:RHEA:16813, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16567, ChEBI:CHEBI:57959, ChEBI:CHEBI:57972; EC=3.7.1.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03017};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-hydroxy-L-kynurenine + H2O = 3-hydroxyanthranilate + H(+) +
CC         L-alanine; Xref=Rhea:RHEA:25143, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:36559, ChEBI:CHEBI:57972,
CC         ChEBI:CHEBI:58125; EC=3.7.1.3; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_03017};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03017};
CC   -!- PATHWAY: Amino-acid degradation; L-kynurenine degradation; L-alanine
CC       and anthranilate from L-kynurenine: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_03017}.
CC   -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate from
CC       L-kynurenine: step 2/3. {ECO:0000255|HAMAP-Rule:MF_03017}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_03017}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03017}.
CC   -!- SIMILARITY: Belongs to the kynureninase family. {ECO:0000255|HAMAP-
CC       Rule:MF_03017}.
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DR   EMBL; CH476854; EDN20078.1; -; Genomic_DNA.
DR   RefSeq; XP_001557886.1; XM_001557836.1.
DR   AlphaFoldDB; A6RSP5; -.
DR   SMR; A6RSP5; -.
DR   PRIDE; A6RSP5; -.
DR   GeneID; 5438547; -.
DR   KEGG; bfu:BCIN_12g01070; -.
DR   VEuPathDB; FungiDB:Bcin12g01070; -.
DR   OMA; GIICDKR; -.
DR   OrthoDB; 916879at2759; -.
DR   UniPathway; UPA00253; UER00329.
DR   UniPathway; UPA00334; UER00455.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0061981; F:3-hydroxykynureninase activity; IEA:RHEA.
DR   GO; GO:0030429; F:kynureninase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0034354; P:'de novo' NAD biosynthetic process from tryptophan; IEA:UniProtKB-UniRule.
DR   GO; GO:0043420; P:anthranilate metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0097053; P:L-kynurenine catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019805; P:quinolinate biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006569; P:tryptophan catabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_01970; Kynureninase; 1.
DR   InterPro; IPR000192; Aminotrans_V_dom.
DR   InterPro; IPR010111; Kynureninase.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   PANTHER; PTHR14084; PTHR14084; 1.
DR   Pfam; PF00266; Aminotran_5; 1.
DR   PIRSF; PIRSF038800; KYNU; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR01814; kynureninase; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; Pyridine nucleotide biosynthesis;
KW   Pyridoxal phosphate.
FT   CHAIN           1..475
FT                   /note="Kynureninase"
FT                   /id="PRO_0000360867"
FT   BINDING         142
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         143
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         170..173
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         255
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         258
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         280
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         320
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   BINDING         348
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
FT   MOD_RES         281
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03017"
SQ   SEQUENCE   475 AA;  52872 MW;  42BFAB823F77B9F2 CRC64;
     MGSIAKEEQP STKVEKPTFS SKANTLEFAQ SLDAKDHMRR FRDQYIIPSK ANIKTKKLAK
     PGLSDEPSIY FCGNSLGLQP KCVQEYLQAH LDTWSSIAVH GHFRDLEDSP LTQWQLLAEH
     AAKQCAPIVG AKASEVAIMG TLTTNLHLLM ASFYTPTPEK SKIIMEWKAF PSDHYAIESQ
     IRGHGYNPEE AMVMIAPDEG SYEISTEKIL RTIDEHASTT ALLLLPGIQY YTGQLFDIKT
     ITAYAQSKGL TVGWDLAHAA GNVPLQLHDW NVDFAVWCTY KYMNAGPGSI AGAYVHERHG
     EVDYSEGEEK PKYRHRLMGW YGGDQSCRFL MNNKFRPSPG ASGYQVSNPS VVDLTSLCAA
     LSIFNQTSMA EISQKTLHLT AYLEHLLLST NSSDSPAFRI ITPSDPSARG TQLSVLLKPG
     RLETLSDMLE EAGIVADKRK PDVIRVAPVP LYNTYEDVWN FVQIFNKALE KCEEA
 
 
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