ID A0A0G4GNJ5_VITBC Unreviewed; 451 AA.
AC A0A0G4GNJ5;
DT 16-SEP-2015, integrated into UniProtKB/TrEMBL.
DT 16-SEP-2015, sequence version 1.
DT 27-MAR-2024, entry version 36.
DE RecName: Full=Kynureninase {ECO:0000256|HAMAP-Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800};
DE EC=3.7.1.3 {ECO:0000256|HAMAP-Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800};
DE AltName: Full=L-kynurenine hydrolase {ECO:0000256|HAMAP-Rule:MF_03017};
GN Name=KYNU {ECO:0000256|HAMAP-Rule:MF_03017};
GN ORFNames=Vbra_6330 {ECO:0000313|EMBL:CEM31671.1};
OS Vitrella brassicaformis (strain CCMP3155).
OC Eukaryota; Sar; Alveolata; Colpodellida; Vitrellaceae; Vitrella.
OX NCBI_TaxID=1169540 {ECO:0000313|EMBL:CEM31671.1, ECO:0000313|Proteomes:UP000041254};
RN [1] {ECO:0000313|EMBL:CEM31671.1, ECO:0000313|Proteomes:UP000041254}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Zhu J., Qi W., Song R.;
RL Submitted (NOV-2014) 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. {ECO:0000256|HAMAP-
CC Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800}.
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;
CC Evidence={ECO:0000256|PIRNR:PIRNR038800};
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:0000256|HAMAP-Rule:MF_03017,
CC ECO:0000256|PIRNR:PIRNR038800};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03017,
CC ECO:0000256|PIRNR:PIRNR038800};
CC -!- PATHWAY: Amino-acid degradation; L-kynurenine degradation; L-alanine
CC and anthranilate from L-kynurenine: step 1/1. {ECO:0000256|HAMAP-
CC Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800}.
CC -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate from
CC L-kynurenine: step 2/3. {ECO:0000256|HAMAP-Rule:MF_03017,
CC ECO:0000256|PIRNR:PIRNR038800}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_03017,
CC ECO:0000256|PIRNR:PIRNR038800}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03017,
CC ECO:0000256|PIRNR:PIRNR038800}.
CC -!- SIMILARITY: Belongs to the kynureninase family. {ECO:0000256|HAMAP-
CC Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_03017}.
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DR EMBL; CDMY01000735; CEM31671.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0G4GNJ5; -.
DR STRING; 1169540.A0A0G4GNJ5; -.
DR VEuPathDB; CryptoDB:Vbra_6330; -.
DR InParanoid; A0A0G4GNJ5; -.
DR OMA; LPGWNSH; -.
DR OrthoDB; 275960at2759; -.
DR PhylomeDB; A0A0G4GNJ5; -.
DR UniPathway; UPA00253; UER00329.
DR UniPathway; UPA00334; UER00455.
DR Proteomes; UP000041254; Unassembled WGS sequence.
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; 3.90.1150.10; 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 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 {ECO:0000256|HAMAP-Rule:MF_03017, ECO:0000256|PIRNR:PIRNR038800};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_03017};
KW Pyridine nucleotide biosynthesis {ECO:0000256|ARBA:ARBA00022642,
KW ECO:0000256|HAMAP-Rule:MF_03017};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_03017}; Reference proteome {ECO:0000313|Proteomes:UP000041254}.
FT DOMAIN 79..254
FT /note="Aminotransferase class V"
FT /evidence="ECO:0000259|Pfam:PF00266"
FT BINDING 105
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 106
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 218
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 221
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 243
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 295
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT BINDING 323
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
FT MOD_RES 244
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03017"
SQ SEQUENCE 451 AA; 49966 MW; F6890F10B941D003 CRC64;
MDAIDPIRDG RTQFFVPSMK DLGVRDTDSG DADGECVYLC GNSLGLQPRA ARALVNEELD
KWSKKGVNGH FEGERPWVSI DDNVTPLVAE IVGALPHEVA VMNSLTVNLQ LIMTTFYEPT
QERHKVLMEA QAFGSDWHAV ASHVELNGYD PHESIMSPEM DKDGLHTTAA WLSLLDREGE
SISVVLIGAV QYLTGQFFDD IPTITQKAHE KGVRVLLDCA HAVGNVPLCL HDWQVDAAIW
CHYKYCNAGP GAIGGYFIHE KHTNSDTVAA ASFVNGHQRN KGDSKIFQPR RLAGWWGADL
STRFSMRHEF ISATGAAGFR LSNPPVLETV ALLASLRIHT QYGMQALRGK SLLLTGYLEH
LLETMLQSHV HILTPREPNR RGCQLSLAFP SLPPSTPFER LFKTLADKGV VVDHREPNVI
RVAPTPLYNS FADVWRFVDI LAQALGVQCE Q
//