ID   A0A0F0HK53_9ACTN        Unreviewed;       399 AA.
AC   A0A0F0HK53;
DT   24-JUN-2015, integrated into UniProtKB/TrEMBL.
DT   24-JUN-2015, sequence version 1.
DT   06-JUL-2016, entry version 9.
DE   RecName: Full=Kynureninase {ECO:0000256|HAMAP-Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800};
DE            EC=3.7.1.3 {ECO:0000256|HAMAP-Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800};
DE   AltName: Full=L-kynurenine hydrolase {ECO:0000256|HAMAP-Rule:MF_01970};
GN   Name=kynU {ECO:0000256|HAMAP-Rule:MF_01970};
GN   ORFNames=UK14_02880 {ECO:0000313|EMBL:KJK54183.1};
OS   Streptomyces sp. NRRL F-4428.
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=1609137 {ECO:0000313|EMBL:KJK54183.1, ECO:0000313|Proteomes:UP000033569};
RN   [1] {ECO:0000313|EMBL:KJK54183.1, ECO:0000313|Proteomes:UP000033569}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NRRL F-4428 {ECO:0000313|EMBL:KJK54183.1,
RC   ECO:0000313|Proteomes:UP000033569};
RA   Ju K.-S., Doroghazi J.R., Metcalf W.;
RL   Submitted (FEB-2015) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- CATALYTIC ACTIVITY: L-3-hydroxykynurenine + H(2)O = 3-
CC       hydroxyanthranilate + L-alanine. {ECO:0000256|HAMAP-Rule:MF_01970,
CC       ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- CATALYTIC ACTIVITY: L-kynurenine + H(2)O = anthranilate + L-
CC       alanine. {ECO:0000256|HAMAP-Rule:MF_01970,
CC       ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01970,
CC         ECO:0000256|PIRNR:PIRNR038800};
CC   -!- PATHWAY: Amino-acid degradation; L-kynurenine degradation; L-
CC       alanine and anthranilate from L-kynurenine: step 1/1.
CC       {ECO:0000256|HAMAP-Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate
CC       from L-kynurenine: step 2/3. {ECO:0000256|HAMAP-Rule:MF_01970,
CC       ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01970,
CC       ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- SIMILARITY: Belongs to the kynureninase family.
CC       {ECO:0000256|HAMAP-Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800}.
CC   -!- CAUTION: The sequence shown here is derived from an
CC       EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is
CC       preliminary data. {ECO:0000313|EMBL:KJK54183.1}.
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DR   EMBL; JYJI01000011; KJK54183.1; -; Genomic_DNA.
DR   RefSeq; WP_045320877.1; NZ_JYJI01000011.1.
DR   EnsemblBacteria; KJK54183; KJK54183; UK14_02880.
DR   UniPathway; UPA00253; UER00329.
DR   UniPathway; UPA00334; UER00455.
DR   Proteomes; UP000033569; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR   GO; GO:0030429; F:kynureninase activity; IEA:UniProtKB-HAMAP.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-HAMAP.
DR   GO; GO:0034354; P:'de novo' NAD biosynthetic process from tryptophan; IEA:UniProtKB-HAMAP.
DR   GO; GO:0043420; P:anthranilate metabolic process; IEA:UniProtKB-HAMAP.
DR   GO; GO:0097053; P:L-kynurenine catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019805; P:quinolinate biosynthetic process; IEA:UniProtKB-HAMAP.
DR   GO; GO:0006569; P:tryptophan catabolic process; IEA:UniProtKB-HAMAP.
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_sub1.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_major_sub2.
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 {ECO:0000313|Proteomes:UP000033569};
KW   Hydrolase {ECO:0000256|HAMAP-Rule:MF_01970,
KW   ECO:0000256|PIRNR:PIRNR038800};
KW   Pyridine nucleotide biosynthesis {ECO:0000256|HAMAP-Rule:MF_01970,
KW   ECO:0000256|PIRNR:PIRNR038800};
KW   Pyridoxal phosphate {ECO:0000256|HAMAP-Rule:MF_01970,
KW   ECO:0000256|PIRNR:PIRNR038800};
KW   Reference proteome {ECO:0000313|Proteomes:UP000033569}.
FT   DOMAIN       79    362       Aminotran_5. {ECO:0000259|Pfam:PF00266}.
FT   REGION      131    134       Pyridoxal phosphate binding.
FT                                {ECO:0000256|HAMAP-Rule:MF_01970}.
FT   BINDING     102    102       Pyridoxal phosphate; via amide nitrogen.
FT                                {ECO:0000256|HAMAP-Rule:MF_01970}.
FT   BINDING     103    103       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     200    200       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     203    203       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     225    225       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     255    255       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   BINDING     281    281       Pyridoxal phosphate. {ECO:0000256|HAMAP-
FT                                Rule:MF_01970}.
FT   MOD_RES     226    226       N6-(pyridoxal phosphate)lysine.
FT                                {ECO:0000256|HAMAP-Rule:MF_01970}.
SQ   SEQUENCE   399 AA;  41694 MW;  E77E7F3155DD2CD6 CRC64;
     MPGGAADLRD RAAALDAADE LAKLRERFVL PDGVVYLDGN SLGALPAGVA ATTADVVARQ
     WGELLIRSWE ESGWWTAPER TGDKIAPLVG AAAGQVVVGD STSVNLFKAL VGAARLAAPG
     RTRMLVDAAT FPTDGYIAQS AARLTGLTVV PVDPSHAAEA MDADTAVVLL NHVDYRTGRL
     HDLPALTAAA RAAGAVTVWD LCHSAGALPV GLDAHGVDLA VGCTYKYLNG GPGAPAYLYI
     ATRHQDAFDS PLPGWNGHAD PFAMTPAYEA APGASRARVG TPDILSMLAL EAALDAWDGV
     CVEAVRAKSL ALTDFFLECV AAYVPQGLVE PVTPAEHEHR GSQVSLRTGN AREVMGELIS
     RGVIGDFRAP DVLRFGFTPL YVGFADVERA ARTLGHIFG
//