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Database: UniProt/SWISS-PROT
Entry: KYNU_XANAC
LinkDB: KYNU_XANAC
Original site: KYNU_XANAC 
ID   KYNU_XANAC              Reviewed;         423 AA.
AC   Q8PM33;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   05-DEC-2018, entry version 94.
DE   RecName: Full=Kynureninase {ECO:0000255|HAMAP-Rule:MF_01970};
DE            EC=3.7.1.3 {ECO:0000255|HAMAP-Rule:MF_01970};
DE   AltName: Full=L-kynurenine hydrolase {ECO:0000255|HAMAP-Rule:MF_01970};
GN   Name=kynU {ECO:0000255|HAMAP-Rule:MF_01970};
GN   OrderedLocusNames=XAC1601;
OS   Xanthomonas axonopodis pv. citri (strain 306).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=190486;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=306;
RX   PubMed=12024217; DOI=10.1038/417459a;
RA   da Silva A.C.R., Ferro J.A., Reinach F.C., Farah C.S., Furlan L.R.,
RA   Quaggio R.B., Monteiro-Vitorello C.B., Van Sluys M.A.,
RA   Almeida N.F. Jr., Alves L.M.C., do Amaral A.M., Bertolini M.C.,
RA   Camargo L.E.A., Camarotte G., Cannavan F., Cardozo J., Chambergo F.,
RA   Ciapina L.P., Cicarelli R.M.B., Coutinho L.L., Cursino-Santos J.R.,
RA   El-Dorry H., Faria J.B., Ferreira A.J.S., Ferreira R.C.C.,
RA   Ferro M.I.T., Formighieri E.F., Franco M.C., Greggio C.C., Gruber A.,
RA   Katsuyama A.M., Kishi L.T., Leite R.P., Lemos E.G.M., Lemos M.V.F.,
RA   Locali E.C., Machado M.A., Madeira A.M.B.N., Martinez-Rossi N.M.,
RA   Martins E.C., Meidanis J., Menck C.F.M., Miyaki C.Y., Moon D.H.,
RA   Moreira L.M., Novo M.T.M., Okura V.K., Oliveira M.C., Oliveira V.R.,
RA   Pereira H.A., Rossi A., Sena J.A.D., Silva C., de Souza R.F.,
RA   Spinola L.A.F., Takita M.A., Tamura R.E., Teixeira E.C., Tezza R.I.D.,
RA   Trindade dos Santos M., Truffi D., Tsai S.M., White F.F.,
RA   Setubal J.C., Kitajima J.P.;
RT   "Comparison of the genomes of two Xanthomonas pathogens with differing
RT   host specificities.";
RL   Nature 417:459-463(2002).
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.
CC       {ECO:0000255|HAMAP-Rule:MF_01970}.
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;
CC         EC=3.7.1.3; Evidence={ECO:0000255|HAMAP-Rule:MF_01970};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-hydroxy-L-kynurenine + H2O = 3-hydroxyanthranilate +
CC         H(+) + 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_01970};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01970};
CC   -!- PATHWAY: Amino-acid degradation; L-kynurenine degradation; L-
CC       alanine and anthranilate from L-kynurenine: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01970}.
CC   -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate
CC       from L-kynurenine: step 2/3. {ECO:0000255|HAMAP-Rule:MF_01970}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01970}.
CC   -!- SIMILARITY: Belongs to the kynureninase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01970}.
DR   EMBL; AE008923; AAM36469.1; -; Genomic_DNA.
DR   RefSeq; WP_011051023.1; NC_003919.1.
DR   ProteinModelPortal; Q8PM33; -.
DR   SMR; Q8PM33; -.
DR   STRING; 190486.XAC1601; -.
DR   EnsemblBacteria; AAM36469; AAM36469; XAC1601.
DR   KEGG; xac:XAC1601; -.
DR   eggNOG; ENOG4105CKY; Bacteria.
DR   eggNOG; COG3844; LUCA.
DR   HOGENOM; HOG000242438; -.
DR   KO; K01556; -.
DR   OMA; AGWWGHD; -.
DR   OrthoDB; POG091H0D63; -.
DR   BioCyc; XAXO190486:XAC_RS08145-MONOMER; -.
DR   UniPathway; UPA00253; UER00329.
DR   UniPathway; UPA00334; UER00455.
DR   Proteomes; UP000000576; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:InterPro.
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; IPR015422; PyrdxlP-dep_Trfase_dom1.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
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   Complete proteome; Hydrolase; Pyridine nucleotide biosynthesis;
KW   Pyridoxal phosphate.
FT   CHAIN         1    423       Kynureninase.
FT                                /FTId=PRO_0000357014.
FT   REGION      133    136       Pyridoxal phosphate binding.
FT                                {ECO:0000255|HAMAP-Rule:MF_01970}.
FT   BINDING     105    105       Pyridoxal phosphate; via amide nitrogen.
FT                                {ECO:0000255|HAMAP-Rule:MF_01970}.
FT   BINDING     106    106       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     218    218       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     221    221       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     243    243       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     273    273       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     301    301       Pyridoxal phosphate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01970}.
FT   MOD_RES     244    244       N6-(pyridoxal phosphate)lysine.
FT                                {ECO:0000255|HAMAP-Rule:MF_01970}.
SQ   SEQUENCE   423 AA;  45845 MW;  D05719233F2F29BC CRC64;
     MTDPLSRAHA AALDAADPLR NLRDAFVFPQ HGDDDQTYFV GNSLGLQPRA ARAMVDEVLD
     QWGALAVEGH FTGPTQWLTY HQLVGDALAR VVGAQPGEVV AMNTLSVNLH LMMASFYRPT
     AERGAILIEA GAFPSDRHAV ESQLRLHGLD PATHLIEVEA DEPNGTVSMS AIAEAIAQHG
     PHLALVLWPG IQYRTGQAFD LAEIVRLARA QGAAVGLDLA HAVGNLPLTL HDDGVDFAVW
     CHYKYLNAGP GAVGGCFVHA RHATSDLPRM AGWWGHEQQT RFRMDPQFVP SPGAEGWQLS
     NPPVLALAPL RASLALFDQA GMAALRAKSE QLTGHLEQMI HARVPQVLQI VTPVEPARRG
     CQLSLRVAGG RARGRALFEH LHAAGVLGDW REPDVIRIAP VPLYNRFSDL HTFVEQVEAW
     AAA
//
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