Incidental Mutation 'R8154:Katnip'
ID 633205
Institutional Source Beutler Lab
Gene Symbol Katnip
Ensembl Gene ENSMUSG00000032743
Gene Name katanin interacting protein
Synonyms D430042O09Rik
MMRRC Submission 067580-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8154 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 125307060-125473965 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 125412802 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 382 (L382P)
Ref Sequence ENSEMBL: ENSMUSP00000065744 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000069660] [ENSMUST00000124223]
AlphaFold Q8C753
Predicted Effect probably damaging
Transcript: ENSMUST00000069660
AA Change: L382P

PolyPhen 2 Score 0.980 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000065744
Gene: ENSMUSG00000032743
AA Change: L382P

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 damaging
Transcript: ENSMUST00000124223
AA Change: L356P

PolyPhen 2 Score 0.980 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000118668
Gene: ENSMUSG00000032743
AA Change: L356P

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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.9%
Validation Efficiency 100% (62/62)
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1810037I17Rik G T 3: 122,718,142 (GRCm39) G12C probably damaging Het
Adam34l A T 8: 44,078,424 (GRCm39) I600N probably damaging Het
Adamts10 C A 17: 33,756,902 (GRCm39) P357T probably damaging Het
Bmyc T A 2: 25,597,346 (GRCm39) S137T probably damaging Het
Bpifa1 T A 2: 153,987,654 (GRCm39) M168K possibly damaging Het
Card11 T G 5: 140,886,732 (GRCm39) K339T probably damaging Het
Ccdc149 C T 5: 52,542,446 (GRCm39) probably null Het
Ccr9 T C 9: 123,608,896 (GRCm39) S193P probably benign Het
Cracd A T 5: 76,989,644 (GRCm39) E62D unknown Het
Csf2rb A G 15: 78,224,642 (GRCm39) probably null Het
Cux1 T C 5: 136,281,434 (GRCm39) E576G probably damaging Het
Cyp4a30b A G 4: 115,315,493 (GRCm39) N238S probably benign Het
Dnaja3 C A 16: 4,517,740 (GRCm39) T375K possibly damaging Het
Espnl C T 1: 91,252,921 (GRCm39) H217Y possibly damaging Het
Exoc4 T C 6: 33,887,473 (GRCm39) S754P probably benign Het
Fcgbp A G 7: 27,784,507 (GRCm39) D189G probably benign Het
Gle1 T A 2: 29,828,619 (GRCm39) probably null Het
Gmcl1 G T 6: 86,698,408 (GRCm39) A163E probably damaging Het
Gpr137b T C 13: 13,533,991 (GRCm39) Y355C Het
Gtf2i A T 5: 134,280,721 (GRCm39) F583L probably benign Het
Heatr9 T A 11: 83,402,703 (GRCm39) Y532F possibly damaging Het
Hic2 C T 16: 17,076,344 (GRCm39) S391L probably benign Het
Hipk1 A G 3: 103,656,652 (GRCm39) V905A probably damaging Het
Inpp5f T G 7: 128,265,991 (GRCm39) W211G possibly damaging Het
Kcnma1 T A 14: 23,361,822 (GRCm39) Y1123F possibly damaging Het
Lamb2 C T 9: 108,357,845 (GRCm39) R123W probably damaging Het
Ldlrad4 C T 18: 68,387,293 (GRCm39) R202* probably null Het
Lmod3 T A 6: 97,224,941 (GRCm39) K293N probably damaging Het
Luzp1 T C 4: 136,269,195 (GRCm39) S473P possibly damaging Het
Lzic T A 4: 149,573,141 (GRCm39) F98I probably damaging Het
Map4k4 T G 1: 40,060,302 (GRCm39) Y1030* probably null Het
Miga1 A G 3: 152,026,337 (GRCm39) probably benign Het
Mrpl18 T C 17: 13,130,608 (GRCm39) E167G probably damaging Het
Myh4 A G 11: 67,144,200 (GRCm39) E1190G probably damaging Het
Ngef C T 1: 87,468,482 (GRCm39) M92I probably benign Het
Nlrc4 T A 17: 74,752,904 (GRCm39) Y493F probably damaging Het
Or52s19 A C 7: 103,007,763 (GRCm39) C213G probably benign Het
Otud7a C A 7: 63,407,612 (GRCm39) F638L probably benign Het
Padi2 T A 4: 140,651,620 (GRCm39) probably null Het
Pcdhgb1 A G 18: 37,815,596 (GRCm39) I696V probably damaging Het
Pikfyve T C 1: 65,304,948 (GRCm39) F1745S probably damaging Het
Prg2 G A 2: 84,813,600 (GRCm39) V199M probably damaging Het
Prrc2b C T 2: 32,108,689 (GRCm39) A1637V probably benign Het
Rab3il1 A T 19: 10,004,936 (GRCm39) M57L possibly damaging Het
Rbl2 A G 8: 91,833,825 (GRCm39) D885G probably damaging Het
Rbm25 A G 12: 83,691,205 (GRCm39) M47V unknown Het
Rd3l T A 12: 111,946,638 (GRCm39) H46L probably benign Het
Scn5a C G 9: 119,391,611 (GRCm39) R27P possibly damaging Het
Set T A 2: 29,959,100 (GRCm39) V99D probably benign Het
Sh3tc1 T A 5: 35,875,696 (GRCm39) I138F probably damaging Het
Slf2 T A 19: 44,923,596 (GRCm39) S137T possibly damaging Het
Smg8 A T 11: 86,976,063 (GRCm39) M506K possibly damaging Het
Stpg2 G A 3: 139,014,938 (GRCm39) V368M probably damaging Het
Trav16d-dv11 T C 14: 53,284,999 (GRCm39) V25A probably damaging Het
Ttc6 A G 12: 57,776,210 (GRCm39) Y1718C probably damaging Het
Vrk1 A G 12: 106,036,793 (GRCm39) K360E probably benign Het
Xirp2 T A 2: 67,342,017 (GRCm39) H1419Q possibly damaging Het
Yes1 T C 5: 32,802,366 (GRCm39) F94L probably damaging Het
Zc2hc1c T C 12: 85,336,946 (GRCm39) L201P probably benign Het
Zfp638 C T 6: 83,954,391 (GRCm39) R1499W probably damaging Het
Znfx1 A T 2: 166,897,157 (GRCm39) L589Q 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
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
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
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'- CTGTCCCACTAGAAGCTCATGG -3'
(R):5'- GCTGGACTCTAGCTTCAATTTGC -3'

Sequencing Primer
(F):5'- ACTAGAAGCTCATGGTGATCCTCTG -3'
(R):5'- TGCAAATTTGGCCAAGTCCC -3'
Posted On 2020-06-30