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Database: UniProt
Entry: F4KZX8_HALH1
LinkDB: F4KZX8_HALH1
Original site: F4KZX8_HALH1 
ID   F4KZX8_HALH1            Unreviewed;       432 AA.
AC   F4KZX8;
DT   28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT   28-JUN-2011, sequence version 1.
DT   27-MAR-2024, entry version 69.
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   OrderedLocusNames=Halhy_3696 {ECO:0000313|EMBL:AEE51548.1};
OS   Haliscomenobacter hydrossis (strain ATCC 27775 / DSM 1100 / LMG 10767 / O).
OC   Bacteria; Bacteroidota; Saprospiria; Saprospirales; Haliscomenobacteraceae;
OC   Haliscomenobacter.
OX   NCBI_TaxID=760192 {ECO:0000313|EMBL:AEE51548.1, ECO:0000313|Proteomes:UP000008461};
RN   [1] {ECO:0000313|EMBL:AEE51548.1, ECO:0000313|Proteomes:UP000008461}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27775 / DSM 1100 / LMG 10767 / O
RC   {ECO:0000313|Proteomes:UP000008461};
RX   PubMed=21886862; DOI=10.4056/sigs.1964579;
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Daligault H., Lapidus A., Zeytun A., Nolan M., Lucas S., Del Rio T.G.,
RA   Tice H., Cheng J.F., Tapia R., Han C., Goodwin L., Pitluck S., Liolios K.,
RA   Pagani I., Ivanova N., Huntemann M., Mavromatis K., Mikhailova N., Pati A.,
RA   Chen A., Palaniappan K., Land M., Hauser L., Brambilla E.M., Rohde M.,
RA   Verbarg S., Goker M., Bristow J., Eisen J.A., Markowitz V., Hugenholtz P.,
RA   Kyrpides N.C., Klenk H.P., Woyke T.;
RT   "Complete genome sequence of Haliscomenobacter hydrossis type strain (O).";
RL   Stand. Genomic Sci. 4:352-360(2011).
RN   [2]
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=DSM 1100;
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Lucas S., Han J., Lapidus A., Bruce D., Goodwin L., Pitluck S., Peters L.,
RA   Kyrpides N., Mavromatis K., Ivanova N., Ovchinnikova G., Pagani I.,
RA   Daligault H., Detter J.C., Han C., Land M., Hauser L., Markowitz V.,
RA   Cheng J.-F., Hugenholtz P., Woyke T., Wu D., Verbarg S., Frueling A.,
RA   Brambilla E., Klenk H.-P., Eisen J.A.;
RT   "Complete sequence of chromosome of Haliscomenobacter hydrossis DSM 1100.";
RL   Submitted (APR-2011) 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_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}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01970}.
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DR   EMBL; CP002691; AEE51548.1; -; Genomic_DNA.
DR   RefSeq; WP_013766087.1; NC_015510.1.
DR   AlphaFoldDB; F4KZX8; -.
DR   STRING; 760192.Halhy_3696; -.
DR   GeneID; 78193476; -.
DR   KEGG; hhy:Halhy_3696; -.
DR   eggNOG; COG3844; Bacteria.
DR   HOGENOM; CLU_003433_4_0_10; -.
DR   OrthoDB; 9812626at2; -.
DR   UniPathway; UPA00253; UER00329.
DR   UniPathway; UPA00334; UER00455.
DR   Proteomes; UP000008461; 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}; Reference proteome {ECO:0000313|Proteomes:UP000008461}.
FT   DOMAIN          90..386
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_01970"
FT   BINDING         106
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         133..136
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         218
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         221
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         243
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         274
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   BINDING         302
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
FT   MOD_RES         244
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01970"
SQ   SEQUENCE   432 AA;  48355 MW;  DE62604307A26B54 CRC64;
     MTFQPTLDFA RQMDAQDSLR SFRDQYLFPQ HQGRKCLYFC GNSLGLQPKK AGEFIKKELQ
     HWQELGVEGH FEGELPWTQY HKSLAPASAH IVGAQADEVI IMNTLTVNLH LMMVSFYRPN
     AERFKIIMEA GAFPSDQYAV ESQVRWHGYD PAEAIVEVAP RPGEALLHTE DILAAIEQHG
     AQTTLVLFAG LNYYTGQVYD MPAITAAGHR VGAYVGFDLA HAAGNVPLHL HDWGVDFAVW
     CTYKYINSGP GAPSGAFVHA KHGNKPQTPR FAGWWGHNEE RRFLMEKGFD PIPGAAGWQL
     SNAPILAYAP MRASHDLFLE AGMPALRAKS EKLTAYLEFL IDSLNIDEPR FDIITPRDPA
     QRGAQLSFLT GPTGKQLFDY LTQNGVICDW REHNLPGEKG EKAGVIRIAP TPMYNSFEDV
     WRFADLLTKA QL
//
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