Incidental Mutation 'R3794:Katnip'
ID 272689
Institutional Source Beutler Lab
Gene Symbol Katnip
Ensembl Gene ENSMUSG00000032743
Gene Name katanin interacting protein
Synonyms D430042O09Rik
MMRRC Submission 040756-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3794 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 125307060-125473965 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 125419261 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 476 (N476S)
Ref Sequence ENSEMBL: ENSMUSP00000118668 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000069660] [ENSMUST00000124223]
AlphaFold Q8C753
Predicted Effect probably benign
Transcript: ENSMUST00000069660
AA Change: N502S

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000065744
Gene: ENSMUSG00000032743
AA Change: N502S

DomainStartEndE-ValueType
internal_repeat_3 442 586 9.64e-5 PROSPERO
internal_repeat_2 454 607 1.91e-6 PROSPERO
low complexity region 704 718 N/A INTRINSIC
Pfam:DUF4457 909 1099 5.1e-43 PFAM
Pfam:DUF4457 1205 1524 8.4e-149 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000122337
SMART Domains Protein: ENSMUSP00000113734
Gene: ENSMUSG00000032743

DomainStartEndE-ValueType
Pfam:DUF4457 173 344 2.7e-9 PFAM
Pfam:DUF4457 218 394 3.2e-10 PFAM
low complexity region 444 458 N/A INTRINSIC
Pfam:DUF4457 660 742 1.1e-14 PFAM
Pfam:DUF4457 733 863 2.6e-31 PFAM
Pfam:DUF4457 944 1008 5.9e-21 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000124223
AA Change: N476S

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000118668
Gene: ENSMUSG00000032743
AA Change: N476S

DomainStartEndE-ValueType
internal_repeat_3 416 560 8.9e-5 PROSPERO
internal_repeat_2 428 581 1.74e-6 PROSPERO
low complexity region 678 692 N/A INTRINSIC
Pfam:DUF4457 882 1073 1.4e-39 PFAM
Pfam:DUF4457 1179 1498 2.2e-145 PFAM
Meta Mutation Damage Score 0.0757 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency 97% (37/38)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a novel, evolutionarily conserved, ciliary protein. In human hTERT-RPE1 cells, the protein is found at the base of cilia, decorating the ciliary axoneme, and enriched at the ciliary tip. The protein binds to microtubules in vitro and regulates their stability when it is overexpressed. A null mutation in this gene has been associated with Joubert syndrome, a recessive disorder that is characterized by a distinctive mid-hindbrain and cerebellar malformation and is also often associated with wider ciliopathy symptoms. Consistently, in a serum-starvation ciliogenesis assay, human fibroblast cells derived from patients with the mutation display a reduced number of ciliated cells with abnormally long cilia. [provided by RefSeq, Feb 2016]
PHENOTYPE: Mice homozygous for a gene trapped allele exhibit variable obstructive hydrocephaly and enlarged lateral ventricles resulting from a blockage of cerebrospinal fluid flow in the cerebral aqueduct but show no gross defects in ventricular ependymal cilium structure or motility. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy6 C T 15: 98,496,824 (GRCm39) V482I probably damaging Het
Adgrv1 T A 13: 81,431,486 (GRCm39) M1L probably damaging Het
Ceacam13 A G 7: 17,747,340 (GRCm39) *264W probably null Het
Dennd5b A T 6: 149,002,715 (GRCm39) D31E possibly damaging Het
Dip2c T C 13: 9,654,597 (GRCm39) V706A probably damaging Het
Enpp3 T C 10: 24,707,630 (GRCm39) probably null Het
Exoc4 T G 6: 33,452,932 (GRCm39) V474G probably benign Het
F2rl1 A G 13: 95,649,719 (GRCm39) Y388H unknown Het
Fasl T C 1: 161,609,306 (GRCm39) R17G probably benign Het
Htr1a G A 13: 105,580,852 (GRCm39) V31M possibly damaging Het
Inpp4b T C 8: 82,759,845 (GRCm39) V445A probably damaging Het
Itih3 T C 14: 30,640,351 (GRCm39) Y319C probably damaging Het
Kmt2d T C 15: 98,735,240 (GRCm39) probably benign Het
Mobp A T 9: 119,997,033 (GRCm39) K55* probably null Het
Ndufaf5 T A 2: 140,044,843 (GRCm39) M279K possibly damaging Het
Nlrc3 T C 16: 3,765,739 (GRCm39) I1057V probably benign Het
Or10al7 A G 17: 38,365,786 (GRCm39) Y224H probably damaging Het
Or4c112 G T 2: 88,853,770 (GRCm39) H192Q probably benign Het
Piezo2 C T 18: 63,214,864 (GRCm39) R1257Q probably damaging Het
Pigv A G 4: 133,392,502 (GRCm39) S223P possibly damaging Het
Pkdcc A G 17: 83,531,382 (GRCm39) T464A probably damaging Het
Polr2k A G 15: 36,175,193 (GRCm39) I18V probably damaging Het
Pon3 A G 6: 5,221,578 (GRCm39) Y351H probably benign Het
Rsf1 ATGGCG ATGGCGACGGTGGCG 7: 97,229,111 (GRCm39) probably benign Het
Scaf8 A G 17: 3,240,524 (GRCm39) E632G probably damaging Het
Smurf1 A G 5: 144,837,985 (GRCm39) probably null Het
Tex16 T G X: 111,150,375 (GRCm39) M1R probably null Het
Tln1 G T 4: 43,536,295 (GRCm39) A1999D probably damaging Het
Trgv5 A T 13: 19,376,694 (GRCm39) H47L probably benign Het
Ttn C T 2: 76,772,781 (GRCm39) V2405I possibly damaging Het
Vps13d G A 4: 144,812,007 (GRCm39) probably benign Het
Xrcc1 A G 7: 24,269,985 (GRCm39) T469A probably benign Het
Zfp287 G T 11: 62,605,070 (GRCm39) H612Q probably damaging Het
Zfp352 C T 4: 90,113,386 (GRCm39) H509Y probably damaging Het
Other mutations in Katnip
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00697:Katnip APN 7 125,394,622 (GRCm39) missense possibly damaging 0.75
IGL00950:Katnip APN 7 125,442,393 (GRCm39) missense probably benign
IGL01089:Katnip APN 7 125,394,485 (GRCm39) missense probably damaging 1.00
IGL01099:Katnip APN 7 125,464,492 (GRCm39) missense probably damaging 1.00
IGL01449:Katnip APN 7 125,469,857 (GRCm39) missense probably damaging 1.00
IGL01545:Katnip APN 7 125,352,143 (GRCm39) critical splice acceptor site probably null
IGL01937:Katnip APN 7 125,453,777 (GRCm39) missense probably benign 0.13
IGL01949:Katnip APN 7 125,361,014 (GRCm39) nonsense probably null
IGL02096:Katnip APN 7 125,413,993 (GRCm39) missense probably benign 0.09
IGL02148:Katnip APN 7 125,472,648 (GRCm39) splice site probably null
IGL02274:Katnip APN 7 125,369,742 (GRCm39) critical splice acceptor site probably null
IGL02323:Katnip APN 7 125,442,001 (GRCm39) missense probably benign 0.04
IGL02574:Katnip APN 7 125,428,925 (GRCm39) missense possibly damaging 0.48
IGL02639:Katnip APN 7 125,471,964 (GRCm39) missense probably damaging 1.00
IGL02833:Katnip APN 7 125,449,584 (GRCm39) nonsense probably null
IGL03003:Katnip APN 7 125,451,132 (GRCm39) missense probably damaging 1.00
IGL03011:Katnip APN 7 125,451,174 (GRCm39) missense probably benign 0.01
IGL03332:Katnip APN 7 125,419,277 (GRCm39) nonsense probably null
IGL03368:Katnip APN 7 125,468,030 (GRCm39) intron probably benign
E0370:Katnip UTSW 7 125,449,474 (GRCm39) missense probably benign 0.06
PIT4498001:Katnip UTSW 7 125,412,768 (GRCm39) missense probably benign
R0033:Katnip UTSW 7 125,360,999 (GRCm39) missense possibly damaging 0.77
R0033:Katnip UTSW 7 125,360,999 (GRCm39) missense possibly damaging 0.77
R0234:Katnip UTSW 7 125,394,557 (GRCm39) missense probably benign 0.00
R0234:Katnip UTSW 7 125,394,557 (GRCm39) missense probably benign 0.00
R0472:Katnip UTSW 7 125,472,139 (GRCm39) missense probably damaging 0.98
R0479:Katnip UTSW 7 125,442,518 (GRCm39) missense probably benign 0.20
R1195:Katnip UTSW 7 125,465,654 (GRCm39) missense probably damaging 1.00
R1195:Katnip UTSW 7 125,465,654 (GRCm39) missense probably damaging 1.00
R1195:Katnip UTSW 7 125,465,654 (GRCm39) missense probably damaging 1.00
R1223:Katnip UTSW 7 125,359,595 (GRCm39) missense possibly damaging 0.75
R1299:Katnip UTSW 7 125,451,195 (GRCm39) missense probably benign
R1331:Katnip UTSW 7 125,465,627 (GRCm39) missense probably benign 0.00
R1484:Katnip UTSW 7 125,415,743 (GRCm39) splice site probably benign
R1507:Katnip UTSW 7 125,465,524 (GRCm39) missense probably damaging 1.00
R1562:Katnip UTSW 7 125,442,020 (GRCm39) missense probably damaging 1.00
R1992:Katnip UTSW 7 125,419,261 (GRCm39) missense probably benign 0.00
R2008:Katnip UTSW 7 125,459,738 (GRCm39) missense probably damaging 1.00
R2010:Katnip UTSW 7 125,472,128 (GRCm39) missense possibly damaging 0.93
R2147:Katnip UTSW 7 125,464,492 (GRCm39) missense probably damaging 1.00
R2508:Katnip UTSW 7 125,394,515 (GRCm39) missense probably benign
R3015:Katnip UTSW 7 125,465,512 (GRCm39) missense probably damaging 1.00
R3795:Katnip UTSW 7 125,419,261 (GRCm39) missense probably benign 0.00
R4043:Katnip UTSW 7 125,467,913 (GRCm39) missense probably benign 0.30
R4044:Katnip UTSW 7 125,467,913 (GRCm39) missense probably benign 0.30
R4692:Katnip UTSW 7 125,466,841 (GRCm39) critical splice donor site probably null
R4772:Katnip UTSW 7 125,464,523 (GRCm39) missense probably damaging 0.96
R5155:Katnip UTSW 7 125,471,356 (GRCm39) missense probably damaging 1.00
R5467:Katnip UTSW 7 125,442,527 (GRCm39) missense possibly damaging 0.65
R5551:Katnip UTSW 7 125,419,249 (GRCm39) missense probably damaging 1.00
R5560:Katnip UTSW 7 125,453,733 (GRCm39) missense probably benign 0.00
R5662:Katnip UTSW 7 125,441,875 (GRCm39) missense probably benign 0.00
R5667:Katnip UTSW 7 125,442,627 (GRCm39) critical splice donor site probably null
R5838:Katnip UTSW 7 125,466,827 (GRCm39) missense possibly damaging 0.88
R5958:Katnip UTSW 7 125,412,807 (GRCm39) missense probably benign 0.01
R5983:Katnip UTSW 7 125,449,545 (GRCm39) missense probably damaging 1.00
R6084:Katnip UTSW 7 125,414,037 (GRCm39) missense probably benign
R6241:Katnip UTSW 7 125,472,006 (GRCm39) missense probably benign 0.00
R6298:Katnip UTSW 7 125,469,869 (GRCm39) missense probably benign 0.11
R6345:Katnip UTSW 7 125,352,159 (GRCm39) missense probably damaging 0.97
R6554:Katnip UTSW 7 125,449,914 (GRCm39) missense probably damaging 1.00
R6715:Katnip UTSW 7 125,361,001 (GRCm39) nonsense probably null
R6745:Katnip UTSW 7 125,369,822 (GRCm39) missense probably benign 0.00
R7178:Katnip UTSW 7 125,465,499 (GRCm39) missense probably benign 0.00
R7210:Katnip UTSW 7 125,471,411 (GRCm39) missense probably damaging 1.00
R7404:Katnip UTSW 7 125,464,434 (GRCm39) missense probably damaging 1.00
R7561:Katnip UTSW 7 125,441,894 (GRCm39) missense probably benign
R7571:Katnip UTSW 7 125,307,193 (GRCm39) unclassified probably benign
R7584:Katnip UTSW 7 125,469,838 (GRCm39) missense probably damaging 0.99
R7629:Katnip UTSW 7 125,394,422 (GRCm39) missense probably damaging 0.96
R7676:Katnip UTSW 7 125,449,549 (GRCm39) missense probably benign 0.26
R7748:Katnip UTSW 7 125,428,973 (GRCm39) missense probably benign 0.00
R7786:Katnip UTSW 7 125,464,466 (GRCm39) missense probably benign 0.19
R8058:Katnip UTSW 7 125,442,188 (GRCm39) missense probably benign 0.17
R8154:Katnip UTSW 7 125,412,802 (GRCm39) missense probably damaging 0.98
R8204:Katnip UTSW 7 125,449,914 (GRCm39) missense probably damaging 1.00
R8359:Katnip UTSW 7 125,468,023 (GRCm39) critical splice donor site probably null
R8700:Katnip UTSW 7 125,429,042 (GRCm39) splice site probably benign
R8812:Katnip UTSW 7 125,396,867 (GRCm39) missense probably benign 0.26
R8942:Katnip UTSW 7 125,449,975 (GRCm39) missense probably damaging 1.00
R9216:Katnip UTSW 7 125,471,926 (GRCm39) missense probably damaging 1.00
R9254:Katnip UTSW 7 125,469,848 (GRCm39) missense probably damaging 1.00
R9263:Katnip UTSW 7 125,469,867 (GRCm39) missense probably damaging 1.00
R9379:Katnip UTSW 7 125,469,848 (GRCm39) missense probably damaging 1.00
R9601:Katnip UTSW 7 125,442,092 (GRCm39) missense probably benign 0.04
R9657:Katnip UTSW 7 125,441,956 (GRCm39) missense probably benign
U24488:Katnip UTSW 7 125,369,853 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- ATCATGAGGCTGGATGCTGG -3'
(R):5'- TGATGACAGCATTCCTCCCC -3'

Sequencing Primer
(F):5'- ATGCTGGATGAAGGCCCTG -3'
(R):5'- GCATTCCTCCCCAAGCC -3'
Posted On 2015-03-25