Incidental Mutation 'R6241:Katnip'
ID 505241
Institutional Source Beutler Lab
Gene Symbol Katnip
Ensembl Gene ENSMUSG00000032743
Gene Name katanin interacting protein
Synonyms D430042O09Rik
MMRRC Submission 044402-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6241 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 125307060-125473965 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 125472006 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Tyrosine at position 1532 (H1532Y)
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: H1558Y

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000065744
Gene: ENSMUSG00000032743
AA Change: H1558Y

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 probably benign
Transcript: ENSMUST00000124223
AA Change: H1532Y

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000118668
Gene: ENSMUSG00000032743
AA Change: H1532Y

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
Predicted Effect probably benign
Transcript: ENSMUST00000132204
SMART Domains Protein: ENSMUSP00000115955
Gene: ENSMUSG00000032743

DomainStartEndE-ValueType
Pfam:DUF4457 1 143 3.6e-51 PFAM
Pfam:DUF4457 139 219 2.4e-41 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155059
Predicted Effect noncoding transcript
Transcript: ENSMUST00000205462
Meta Mutation Damage Score 0.0627 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.2%
  • 20x: 95.0%
Validation Efficiency 98% (51/52)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2m A G 6: 121,623,788 (GRCm39) I385V probably benign Het
Ablim2 A G 5: 36,032,241 (GRCm39) D622G probably damaging Het
Acsbg1 A T 9: 54,549,946 (GRCm39) S86T probably damaging Het
Adam34l T A 8: 44,079,133 (GRCm39) I364L probably benign Het
Ank2 A C 3: 126,846,397 (GRCm39) D199E probably damaging Het
Art2a T A 7: 101,204,452 (GRCm39) M29L probably benign Het
Bbs2 C A 8: 94,824,863 (GRCm39) probably null Het
Brwd1 A T 16: 95,815,074 (GRCm39) I1402N probably damaging Het
C1qtnf9 C A 14: 61,017,069 (GRCm39) P200T possibly damaging Het
Ciita T C 16: 10,329,767 (GRCm39) Y684H probably damaging Het
Dennd1c T C 17: 57,373,272 (GRCm39) N734D probably benign Het
Depdc1b A T 13: 108,460,653 (GRCm39) I88F possibly damaging Het
Dsg2 A G 18: 20,723,274 (GRCm39) probably null Het
Foxp2 A G 6: 15,394,761 (GRCm39) T154A probably damaging Het
Gmeb1 A T 4: 131,969,688 (GRCm39) V95D possibly damaging Het
Gmeb1 A G 4: 131,973,324 (GRCm39) S62P probably benign Het
Golga5 T A 12: 102,438,732 (GRCm39) V149D probably damaging Het
H1f7 A C 15: 98,154,652 (GRCm39) S166A unknown Het
Hivep1 T C 13: 42,311,846 (GRCm39) L1362P probably benign Het
Ift81 T C 5: 122,740,414 (GRCm39) M205V probably benign Het
Iglv3 T A 16: 19,059,968 (GRCm39) Q120L possibly damaging Het
Ints9 C T 14: 65,217,659 (GRCm39) T62I possibly damaging Het
Itga1 G T 13: 115,096,673 (GRCm39) probably null Het
Krt77 A C 15: 101,773,988 (GRCm39) I222S probably damaging Het
Mrps25 A G 6: 92,160,819 (GRCm39) probably null Het
Mrps27 A G 13: 99,548,754 (GRCm39) T297A probably benign Het
Mup15 A T 4: 61,357,850 (GRCm39) L7Q unknown Het
Naip1 T A 13: 100,562,169 (GRCm39) I999F probably damaging Het
Ndst1 A G 18: 60,836,901 (GRCm39) F387L probably damaging Het
Nudt9 T C 5: 104,202,151 (GRCm39) S71P probably damaging Het
Or14c41 C A 7: 86,235,245 (GRCm39) A254D probably benign Het
Or2b4 A G 17: 38,116,432 (GRCm39) Y132C probably damaging Het
Or5al1 T G 2: 85,990,380 (GRCm39) E111D probably damaging Het
Pak4 C T 7: 28,264,690 (GRCm39) V71I possibly damaging Het
Pcolce A C 5: 137,603,496 (GRCm39) S446A probably benign Het
Per2 T A 1: 91,349,251 (GRCm39) N1040I probably damaging Het
Pla2g6 A T 15: 79,188,592 (GRCm39) S422T probably benign Het
Pla2r1 G T 2: 60,332,543 (GRCm39) probably null Het
Plcb4 T C 2: 135,752,094 (GRCm39) V100A possibly damaging Het
Polr1d C T 5: 147,015,533 (GRCm39) T72M probably benign Het
Psd3 A C 8: 68,270,791 (GRCm39) probably benign Het
Radil T C 5: 142,480,697 (GRCm39) E586G probably damaging Het
Rnf150 A G 8: 83,591,093 (GRCm39) N152S possibly damaging Het
Serpina1b T A 12: 103,695,515 (GRCm39) probably null Het
Setd3 C T 12: 108,124,114 (GRCm39) E192K probably benign Het
Ssu2 G A 6: 112,351,781 (GRCm39) H315Y probably damaging Het
Taok3 T A 5: 117,410,262 (GRCm39) M818K probably benign Het
Tmem131l T C 3: 83,829,471 (GRCm39) N1062S probably benign Het
Tmx4 C T 2: 134,481,425 (GRCm39) probably benign Het
Traip G A 9: 107,845,933 (GRCm39) C342Y probably benign Het
Traj9 G T 14: 54,446,890 (GRCm39) probably benign Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Vegfc T C 8: 54,634,289 (GRCm39) S323P probably benign Het
Vinac1 T C 2: 128,879,301 (GRCm39) D875G possibly 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
R3794:Katnip UTSW 7 125,419,261 (GRCm39) missense probably benign 0.00
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
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'- CTCAACTTCCCAGTCTGCAG -3'
(R):5'- CTAGACCAAGCCTCTGACAG -3'

Sequencing Primer
(F):5'- CACACTTCAGAGGAGCTTGG -3'
(R):5'- ACCAAGCCTCTGACAGGGATG -3'
Posted On 2018-02-28