ID G8PT97_PSEUV Unreviewed; 410 AA.
AC G8PT97;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 27-MAR-2024, entry version 61.
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:0000313|EMBL:AEV35630.1};
GN Synonyms=kynU {ECO:0000256|HAMAP-Rule:MF_01970};
GN OrderedLocusNames=PSE_1118 {ECO:0000313|EMBL:AEV35630.1};
OS Pseudovibrio sp. (strain FO-BEG1).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Stappiaceae; Pseudovibrio.
OX NCBI_TaxID=911045 {ECO:0000313|EMBL:AEV35630.1, ECO:0000313|Proteomes:UP000005634};
RN [1] {ECO:0000313|Proteomes:UP000005634}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FO-BEG1 {ECO:0000313|Proteomes:UP000005634};
RA Bondarev V., Richter M., Piel J., Schwedt A., Schulz-Vogt H.N.;
RT "The genus Pseudovibrio contains metabolically versatile and symbiotically
RT interacting bacteria.";
RL Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AEV35630.1, ECO:0000313|Proteomes:UP000005634}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FO-BEG1 {ECO:0000313|EMBL:AEV35630.1,
RC ECO:0000313|Proteomes:UP000005634};
RX PubMed=23601235; DOI=10.1111/1462-2920.12123;
RA Bondarev V., Richter M., Romano S., Piel J., Schwedt A., Schulz-Vogt H.N.;
RT "The genus Pseudovibrio contains metabolically versatile bacteria adapted
RT for symbiosis.";
RL Environ. Microbiol. 15:2095-2113(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:0000256|HAMAP-
CC Rule:MF_01970, 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_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-alanine
CC and anthranilate from L-kynurenine: step 1/1. {ECO:0000256|HAMAP-
CC Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800}.
CC -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate from
CC 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. {ECO:0000256|HAMAP-
CC Rule:MF_01970, ECO:0000256|PIRNR:PIRNR038800}.
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DR EMBL; CP003147; AEV35630.1; -; Genomic_DNA.
DR RefSeq; WP_014283929.1; NC_016642.1.
DR AlphaFoldDB; G8PT97; -.
DR STRING; 911045.PSE_1118; -.
DR KEGG; psf:PSE_1118; -.
DR eggNOG; COG3844; Bacteria.
DR HOGENOM; CLU_003433_4_1_5; -.
DR UniPathway; UPA00253; UER00329.
DR UniPathway; UPA00334; UER00455.
DR Proteomes; UP000005634; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:InterPro.
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 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 Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01970};
KW Pyridine nucleotide biosynthesis {ECO:0000256|ARBA:ARBA00022642,
KW ECO:0000256|HAMAP-Rule:MF_01970};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_01970}.
FT DOMAIN 77..354
FT /note="Aminotransferase class V"
FT /evidence="ECO:0000259|Pfam:PF00266"
FT BINDING 98
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 99
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 126..129
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 168
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 197
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 200
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 222
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 252
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT BINDING 278
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT MOD_RES 223
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
SQ SEQUENCE 410 AA; 44761 MW; 2DF606962D7728D7 CRC64;
MELDAVSIEQ RDSADPLAHL QQLFSIPDGV IYLDGNSLGA LPKNVSSVLT NAVEEQWGKS
LIKGWNCHNW IDLPSRVGNR IAKLVGAEEG TLICADSTSL NVFKVLATAM KLRPGRKVIL
SDTGNFPTDL YMAQGLKELT GGDIELRLVA PEEVDTALDE TVAVMMLTEV DYRTGRKHDM
TALTEKAHAV GALAMWDLCH SAGAFPVHLK EANVDFAVGC SYKYLNGGPG APAFVYVAPK
HQATSGNPLT GWMGHNAPFA FDLGYTPSAK TDQMRVGTPQ VLAMTALNAS LDVFDHTNLE
ALQAKSIELS ELFISEVKRR CPNLELASPT DPMKRGSQVS FRHEQGYAVM QALIDRGVIG
DFRAPNIIRF GFAPLYLSFA DVFKAAEILE EIIAGDLWDK PEYHRKSKVT
//
