Incidental Mutation 'R4241:Kynu'
ID 320199
Institutional Source Beutler Lab
Gene Symbol Kynu
Ensembl Gene ENSMUSG00000026866
Gene Name kynureninase
Synonyms L-kynurenine hydrolase, 4432411A05Rik
MMRRC Submission 041058-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4241 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 43445341-43572734 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 43571422 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Leucine at position 446 (H446L)
Ref Sequence ENSEMBL: ENSMUSP00000028223 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028223] [ENSMUST00000112826]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000028223
AA Change: H446L

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000028223
Gene: ENSMUSG00000026866
AA Change: H446L

DomainStartEndE-ValueType
Pfam:Aminotran_5 70 400 3.8e-15 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000112826
SMART Domains Protein: ENSMUSP00000108445
Gene: ENSMUSG00000026866

DomainStartEndE-ValueType
Pfam:Aminotran_5 70 405 8.4e-17 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148855
Meta Mutation Damage Score 0.0602 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 95.9%
Validation Efficiency 98% (49/50)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Kynureninase is a pyridoxal-5'-phosphate (pyridoxal-P) dependent enzyme that catalyzes the cleavage of L-kynurenine and L-3-hydroxykynurenine into anthranilic and 3-hydroxyanthranilic acids, respectively. Kynureninase is involved in the biosynthesis of NAD cofactors from tryptophan through the kynurenine pathway. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2010]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agl A T 3: 116,548,497 (GRCm39) probably benign Het
Ap5b1 C T 19: 5,618,825 (GRCm39) L82F possibly damaging Het
Arfgef3 A G 10: 18,500,912 (GRCm39) S1113P probably damaging Het
Atoh1 A C 6: 64,706,758 (GRCm39) N151T probably damaging Het
Bcas3 T A 11: 85,361,652 (GRCm39) S25R probably damaging Het
Blcap T A 2: 157,402,343 (GRCm39) probably benign Het
Btbd6 C T 12: 112,940,416 (GRCm39) A13V probably benign Het
Ccdc83 A C 7: 89,896,346 (GRCm39) N74K probably damaging Het
Cdh9 A G 15: 16,849,165 (GRCm39) probably null Het
Chd1 C T 17: 15,990,289 (GRCm39) R1614* probably null Het
Col16a1 G T 4: 129,992,843 (GRCm39) Q1567H probably damaging Het
Coq6 A T 12: 84,420,563 (GRCm39) probably benign Het
Cpd T C 11: 76,737,611 (GRCm39) D61G probably benign Het
Csnk1e A G 15: 79,309,095 (GRCm39) F277S probably damaging Het
Cyp2d41-ps T A 15: 82,663,787 (GRCm39) noncoding transcript Het
Dbt T C 3: 116,326,945 (GRCm39) I98T probably damaging Het
Eif3e G A 15: 43,126,086 (GRCm39) T287I probably damaging Het
Fcgbpl1 A G 7: 27,853,760 (GRCm39) S1575G probably damaging Het
Gm7135 A G 1: 97,281,678 (GRCm39) noncoding transcript Het
Gpr176 A T 2: 118,110,091 (GRCm39) S389R probably benign Het
Hax1 A G 3: 89,902,997 (GRCm39) S257P probably damaging Het
Herc1 CTGAGGACTCTTTG CTG 9: 66,355,630 (GRCm39) probably null Het
Ighv1-53 C T 12: 115,122,442 (GRCm39) C5Y probably benign Het
Klhl13 T A X: 23,181,414 (GRCm39) D2V probably damaging Het
Lingo1 A G 9: 56,527,386 (GRCm39) F401S probably damaging Het
Lmbrd1 C T 1: 24,732,049 (GRCm39) Q89* probably null Het
Mov10 T A 3: 104,704,592 (GRCm39) Q773L probably benign Het
Or52e19 G T 7: 102,959,868 (GRCm39) *313Y probably null Het
Or7c70 T A 10: 78,683,739 (GRCm39) R3S probably benign Het
Pde6c G A 19: 38,151,293 (GRCm39) G608S probably damaging Het
Peli3 T C 19: 4,982,426 (GRCm39) H413R probably damaging Het
Pkdrej C T 15: 85,702,345 (GRCm39) R1197Q probably damaging Het
Rcan2 T A 17: 44,264,370 (GRCm39) V10D probably benign Het
Slc10a5 A G 3: 10,400,520 (GRCm39) S47P probably damaging Het
Sprr3 A G 3: 92,364,214 (GRCm39) V210A possibly damaging Het
Tcerg1l G T 7: 137,999,361 (GRCm39) Q8K unknown Het
Ubfd1 T C 7: 121,670,977 (GRCm39) V265A possibly damaging Het
Ubr1 T C 2: 120,764,867 (GRCm39) D529G possibly damaging Het
Vmn1r180 A T 7: 23,652,298 (GRCm39) I154F probably damaging Het
Vmn1r237 A G 17: 21,534,925 (GRCm39) H216R possibly damaging Het
Whrn C T 4: 63,351,210 (GRCm39) probably benign Het
Zfr T G 15: 12,149,745 (GRCm39) D388E probably damaging Het
Zic5 T C 14: 122,702,075 (GRCm39) I219V probably benign Het
Zmat5 A G 11: 4,678,614 (GRCm39) N53D probably benign Het
Other mutations in Kynu
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01524:Kynu APN 2 43,561,394 (GRCm39) missense possibly damaging 0.91
IGL01974:Kynu APN 2 43,571,352 (GRCm39) unclassified probably benign
R0099:Kynu UTSW 2 43,519,065 (GRCm39) critical splice donor site probably null
R0304:Kynu UTSW 2 43,569,893 (GRCm39) missense probably damaging 0.99
R1681:Kynu UTSW 2 43,569,837 (GRCm39) missense probably damaging 1.00
R1799:Kynu UTSW 2 43,494,169 (GRCm39) missense possibly damaging 0.65
R2016:Kynu UTSW 2 43,494,289 (GRCm39) nonsense probably null
R2345:Kynu UTSW 2 43,471,397 (GRCm39) missense probably damaging 1.00
R3085:Kynu UTSW 2 43,492,312 (GRCm39) missense probably benign 0.00
R3825:Kynu UTSW 2 43,571,451 (GRCm39) missense probably benign
R4091:Kynu UTSW 2 43,569,884 (GRCm39) missense possibly damaging 0.94
R4594:Kynu UTSW 2 43,569,902 (GRCm39) missense probably benign 0.00
R4673:Kynu UTSW 2 43,569,815 (GRCm39) missense probably damaging 1.00
R4871:Kynu UTSW 2 43,569,830 (GRCm39) missense possibly damaging 0.58
R5371:Kynu UTSW 2 43,479,406 (GRCm39) missense probably benign 0.00
R6272:Kynu UTSW 2 43,525,001 (GRCm39) missense probably benign 0.01
R6342:Kynu UTSW 2 43,571,463 (GRCm39) missense probably benign 0.09
R6866:Kynu UTSW 2 43,453,122 (GRCm39) nonsense probably null
R7203:Kynu UTSW 2 43,571,365 (GRCm39) missense probably damaging 1.00
R8163:Kynu UTSW 2 43,518,966 (GRCm39) missense probably damaging 1.00
R9024:Kynu UTSW 2 43,490,807 (GRCm39) missense possibly damaging 0.62
R9089:Kynu UTSW 2 43,489,620 (GRCm39) missense probably damaging 1.00
R9303:Kynu UTSW 2 43,569,768 (GRCm39) missense probably damaging 0.99
R9305:Kynu UTSW 2 43,569,768 (GRCm39) missense probably damaging 0.99
R9506:Kynu UTSW 2 43,571,414 (GRCm39) missense probably damaging 1.00
R9702:Kynu UTSW 2 43,479,469 (GRCm39) missense probably damaging 1.00
R9759:Kynu UTSW 2 43,569,881 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- GCTCATGTATTACATTTGAGGGAAG -3'
(R):5'- CAGATATTAAAGCATGCACCAGG -3'

Sequencing Primer
(F):5'- ATTACATTTGAGGGAAGTCATGATC -3'
(R):5'- AAGCATGCACCAGGTTTTATG -3'
Posted On 2015-06-12