ID KYNU_EREGS Reviewed; 447 AA. AC Q750P5; DT 09-NOV-2004, integrated into UniProtKB/Swiss-Prot. DT 09-JAN-2013, sequence version 2. DT 27-MAR-2024, entry version 105. 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 {ECO:0000255|HAMAP-Rule:MF_03017}; GN OrderedLocusNames=AGL098W; OS Eremothecium gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL OS Y-1056) (Yeast) (Ashbya gossypii). OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; OC Saccharomycetales; Saccharomycetaceae; Eremothecium. OX NCBI_TaxID=284811; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056; RX PubMed=15001715; DOI=10.1126/science.1095781; RA Dietrich F.S., Voegeli S., Brachat S., Lerch A., Gates K., Steiner S., RA Mohr C., Poehlmann R., Luedi P., Choi S., Wing R.A., Flavier A., RA Gaffney T.D., Philippsen P.; RT "The Ashbya gossypii genome as a tool for mapping the ancient Saccharomyces RT cerevisiae genome."; RL Science 304:304-307(2004). RN [2] RP GENOME REANNOTATION, AND SEQUENCE REVISION TO 175; 263 AND 273. RC STRAIN=ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056; RX PubMed=23749448; DOI=10.1534/g3.112.002881; RA Dietrich F.S., Voegeli S., Kuo S., Philippsen P.; RT "Genomes of Ashbya fungi isolated from insects reveal four mating-type RT loci, numerous translocations, lack of transposons, and distinct gene RT duplications."; RL G3 (Bethesda) 3:1225-1239(2013). 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AE016820; AAS54393.2; -; Genomic_DNA. DR RefSeq; NP_986569.2; NM_211631.2. DR AlphaFoldDB; Q750P5; -. DR SMR; Q750P5; -. DR STRING; 284811.Q750P5; -. DR EnsemblFungi; AAS54393; AAS54393; AGOS_AGL098W. DR GeneID; 4622868; -. DR KEGG; ago:AGOS_AGL098W; -. DR eggNOG; KOG3846; Eukaryota. DR HOGENOM; CLU_003433_4_0_1; -. DR InParanoid; Q750P5; -. DR OMA; LPGWNSH; -. DR OrthoDB; 5471916at2759; -. DR UniPathway; UPA00253; UER00329. DR UniPathway; UPA00334; UER00455. DR Proteomes; UP000000591; Chromosome VII. DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central. DR GO; GO:0061981; F:3-hydroxykynureninase activity; IEA:RHEA. DR GO; GO:0030429; F:kynureninase activity; IBA:GO_Central. 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; IBA:GO_Central. 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:0019441; P:tryptophan catabolic process to kynurenine; IBA:GO_Central. DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1. DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 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 NCBIfam; TIGR01814; kynureninase; 1. DR PANTHER; PTHR14084; KYNURENINASE; 1. DR PANTHER; PTHR14084:SF0; KYNURENINASE; 1. DR Pfam; PF00266; Aminotran_5; 1. DR PIRSF; PIRSF038800; KYNU; 1. DR SUPFAM; SSF53383; PLP-dependent transferases; 1. PE 3: Inferred from homology; KW Cytoplasm; Hydrolase; Pyridine nucleotide biosynthesis; KW Pyridoxal phosphate; Reference proteome. FT CHAIN 1..447 FT /note="Kynureninase" FT /id="PRO_0000218661" FT BINDING 106 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 107 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 134..137 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 220 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 223 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 245 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 275 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT BINDING 303 FT /ligand="pyridoxal 5'-phosphate" FT /ligand_id="ChEBI:CHEBI:597326" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" FT MOD_RES 246 FT /note="N6-(pyridoxal phosphate)lysine" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03017" SQ SEQUENCE 447 AA; 49032 MW; 8B39CBFF1EA2AC8A CRC64; MEKARALEEQ WPGARDAFHV PSYASLGLGD QTAAVRYLCG HSLGCMPRKT RGSVEAELSA WSARAVEAHV RHPGGTEWVN TDLPLVPQMA RMVGASQQEV AVMGSLTANL NALLVAFYRP RGRRTKILLE KQVFPSDFHA FWNQAALHGL DPAATLVQVA PRAGEHTLRT EDIVAAIETH RAELALVCLP GVQYYTGQLL DMASIVAAAR REPSIVVGFD LAHAVGNVQL QLHEWGADFA CWCSYKYLNA GPGGIAGLFV HERHHGGTLP RLAGWWGTNA ATRFEMRQTY DPLPDALGFR QSNPSVLDVA ALRASLEVFE DFGGMERVRA RSLALTGYLY ELLTQSVFYR PEVGADGVGF TILTPANPAE RGAQLSLLFW PHSDDPDKNT MPRVFADLRQ NGVLGDERHP DVIRLTPCAL YNTFMEVFES VQLLNAALER LAPESAV //