Incidental Mutation 'R7463:Coch'
ID 578579
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 045537-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7463 (G1)
Quality Score 190.009
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation start codon destroyed
DNA Base Change (assembly) T to A at 51640408 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 1 (M1K)
Ref Sequence ENSEMBL: ENSMUSP00000082533 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085412] [ENSMUST00000164782]
AlphaFold Q62507
Predicted Effect probably null
Transcript: ENSMUST00000085412
AA Change: M1K

PolyPhen 2 Score 0.024 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: M1K

DomainStartEndE-ValueType
signal peptide 1 26 N/A INTRINSIC
LCCL 32 114 3.64e-47 SMART
VWA 165 337 2.06e-33 SMART
VWA 367 540 6.43e-44 SMART
Predicted Effect probably null
Transcript: ENSMUST00000164782
AA Change: M1K

PolyPhen 2 Score 0.024 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: M1K

DomainStartEndE-ValueType
signal peptide 1 26 N/A INTRINSIC
LCCL 32 114 3.64e-47 SMART
VWA 165 337 2.06e-33 SMART
VWA 367 540 6.43e-44 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 97.7%
Validation Efficiency 100% (62/62)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is highly conserved in human, mouse, and chicken, showing 94% and 79% amino acid identity of human to mouse and chicken sequences, respectively. Hybridization to this gene was detected in spindle-shaped cells located along nerve fibers between the auditory ganglion and sensory epithelium. These cells accompany neurites at the habenula perforata, the opening through which neurites extend to innervate hair cells. This and the pattern of expression of this gene in chicken inner ear paralleled the histologic findings of acidophilic deposits, consistent with mucopolysaccharide ground substance, in temporal bones from DFNA9 (autosomal dominant nonsyndromic sensorineural deafness 9) patients. Mutations that cause DFNA9 have been reported in this gene. Alternative splicing results in multiple transcript variants encoding the same protein. Additional splice variants encoding distinct isoforms have been described but their biological validities have not been demonstrated. [provided by RefSeq, Oct 2008]
PHENOTYPE: Homozygotes for a point mutation have vestibular and hearing dysfunctions that worsen with age. Homozyogtes for a null allele have no abnormal phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc10 A T 17: 46,634,698 (GRCm39) V435E probably damaging Het
Acta2 G A 19: 34,229,931 (GRCm39) T8I probably benign Het
Adcy2 T C 13: 68,878,399 (GRCm39) D413G probably damaging Het
Adgrg6 T A 10: 14,310,140 (GRCm39) D727V possibly damaging Het
Aebp2 C T 6: 140,583,452 (GRCm39) Q309* probably null Het
Amy1 A T 3: 113,363,533 (GRCm39) C43* probably null Het
Bpifc T C 10: 85,815,198 (GRCm39) E256G probably benign Het
Bysl A T 17: 47,913,396 (GRCm39) S296T probably benign Het
Carmil3 C T 14: 55,739,853 (GRCm39) P980L probably damaging Het
Cpt2 A T 4: 107,765,354 (GRCm39) F137I probably damaging Het
Crem T C 18: 3,295,094 (GRCm39) I112V probably benign Het
Cul9 A G 17: 46,831,402 (GRCm39) probably null Het
Cyp3a41a T A 5: 145,650,374 (GRCm39) I90F probably damaging Het
Cyp4f16 C T 17: 32,769,761 (GRCm39) A457V possibly damaging Het
Ddx6 A G 9: 44,540,026 (GRCm39) E318G probably damaging Het
Dip2b A G 15: 100,052,038 (GRCm39) E213G probably benign Het
Dlx5 T C 6: 6,878,316 (GRCm39) H238R probably damaging Het
Dnai2 A C 11: 114,645,232 (GRCm39) I556L probably benign Het
Dnmt1 C T 9: 20,823,521 (GRCm39) V1147M possibly damaging Het
Egf G T 3: 129,533,664 (GRCm39) Q59K probably benign Het
Ermp1 A T 19: 29,623,662 (GRCm39) Y109* probably null Het
Fer1l6 T A 15: 58,445,450 (GRCm39) Y573* probably null Het
Fmnl1 T C 11: 103,083,954 (GRCm39) L503P probably damaging Het
Gnptab T G 10: 88,267,251 (GRCm39) I447M probably damaging Het
Hgf G A 5: 16,783,448 (GRCm39) D253N probably benign Het
Hjurp CTCTGGGAGGGCTTGCTCCGGGGGCAGTGTGTCCTGTTCTTGTGCAGCCCCT C 1: 88,193,999 (GRCm39) probably benign Het
Igf2r T C 17: 12,929,532 (GRCm39) T958A probably benign Het
Kcnd2 T A 6: 21,216,497 (GRCm39) L67Q probably damaging Het
Kif5a A G 10: 127,079,593 (GRCm39) V248A probably damaging Het
Krt33b A G 11: 99,920,389 (GRCm39) I88T probably damaging Het
Lhx2 G A 2: 38,241,858 (GRCm39) E25K possibly damaging Het
Mex3d C T 10: 80,217,532 (GRCm39) G562R Het
Myom2 A T 8: 15,167,679 (GRCm39) Y1088F probably null Het
Ncapg T A 5: 45,851,434 (GRCm39) probably null Het
Nudc A C 4: 133,261,714 (GRCm39) V190G possibly damaging Het
Obscn G T 11: 59,013,686 (GRCm39) R1054S probably benign Het
Or10g1 A G 14: 52,648,168 (GRCm39) W54R probably benign Het
Or10g9 A G 9: 39,911,860 (GRCm39) V221A probably benign Het
Or2d4 A T 7: 106,543,380 (GRCm39) V276E probably damaging Het
Or52h9 T C 7: 104,202,689 (GRCm39) S188P possibly damaging Het
Or56a5 T A 7: 104,793,144 (GRCm39) M119L probably benign Het
Or8j3 T C 2: 86,028,182 (GRCm39) M305V probably benign Het
Pcdh10 A T 3: 45,338,007 (GRCm39) R891S possibly damaging Het
Pcdh15 C T 10: 74,467,602 (GRCm39) S1873L possibly damaging Het
Pcdh7 A G 5: 57,878,340 (GRCm39) K632E probably benign Het
Pcdhgb8 G A 18: 37,896,480 (GRCm39) A517T probably damaging Het
Ptgr2 A T 12: 84,339,072 (GRCm39) probably benign Het
Ptpn18 G A 1: 34,512,445 (GRCm39) D417N possibly damaging Het
Racgap1 T A 15: 99,540,839 (GRCm39) T4S probably benign Het
Rb1cc1 A G 1: 6,319,404 (GRCm39) H941R probably benign Het
Reln T C 5: 22,308,433 (GRCm39) H312R probably damaging Het
Rnf166 T A 8: 123,194,726 (GRCm39) H208L probably damaging Het
Spmap2 T C 10: 79,412,549 (GRCm39) E314G probably damaging Het
Timeless T C 10: 128,086,295 (GRCm39) S999P probably benign Het
Tmem94 G T 11: 115,677,082 (GRCm39) R118L possibly damaging Het
Tor1aip1 A T 1: 155,883,355 (GRCm39) H349Q possibly damaging Het
Ttn T A 2: 76,750,804 (GRCm39) E3415V probably benign Het
Vmn2r102 A T 17: 19,896,886 (GRCm39) N78Y probably damaging Het
Wdr11 A T 7: 129,208,810 (GRCm39) D427V probably damaging Het
Zer1 A T 2: 30,003,449 (GRCm39) probably benign Het
Zfp516 T A 18: 82,975,233 (GRCm39) M477K probably benign Het
Other mutations in Coch
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01514:Coch APN 12 51,650,136 (GRCm39) missense probably damaging 1.00
IGL01803:Coch APN 12 51,650,082 (GRCm39) missense probably benign 0.15
IGL02613:Coch APN 12 51,642,132 (GRCm39) missense possibly damaging 0.76
IGL02697:Coch APN 12 51,643,821 (GRCm39) missense probably benign 0.00
IGL03351:Coch APN 12 51,649,989 (GRCm39) missense probably benign 0.05
R0732:Coch UTSW 12 51,642,155 (GRCm39) missense probably damaging 1.00
R1485:Coch UTSW 12 51,645,072 (GRCm39) missense probably damaging 1.00
R1757:Coch UTSW 12 51,649,631 (GRCm39) missense probably damaging 1.00
R2073:Coch UTSW 12 51,649,472 (GRCm39) missense probably benign 0.00
R2231:Coch UTSW 12 51,649,648 (GRCm39) missense probably benign
R2440:Coch UTSW 12 51,643,345 (GRCm39) missense probably damaging 0.99
R3104:Coch UTSW 12 51,650,204 (GRCm39) missense probably benign
R3623:Coch UTSW 12 51,649,609 (GRCm39) missense probably benign 0.06
R3624:Coch UTSW 12 51,649,609 (GRCm39) missense probably benign 0.06
R3932:Coch UTSW 12 51,650,121 (GRCm39) missense probably damaging 1.00
R3933:Coch UTSW 12 51,650,121 (GRCm39) missense probably damaging 1.00
R3945:Coch UTSW 12 51,648,595 (GRCm39) critical splice acceptor site probably null
R3946:Coch UTSW 12 51,648,595 (GRCm39) critical splice acceptor site probably null
R4423:Coch UTSW 12 51,644,932 (GRCm39) splice site probably null
R4660:Coch UTSW 12 51,642,268 (GRCm39) missense probably benign 0.21
R4732:Coch UTSW 12 51,651,802 (GRCm39) missense probably benign 0.28
R4733:Coch UTSW 12 51,651,802 (GRCm39) missense probably benign 0.28
R4844:Coch UTSW 12 51,649,477 (GRCm39) missense probably damaging 0.98
R4997:Coch UTSW 12 51,649,964 (GRCm39) splice site probably null
R5152:Coch UTSW 12 51,642,225 (GRCm39) missense probably benign 0.00
R5173:Coch UTSW 12 51,643,290 (GRCm39) nonsense probably null
R6134:Coch UTSW 12 51,649,536 (GRCm39) missense probably damaging 1.00
R6481:Coch UTSW 12 51,644,956 (GRCm39) missense probably damaging 1.00
R6497:Coch UTSW 12 51,649,504 (GRCm39) missense probably benign 0.06
R6714:Coch UTSW 12 51,649,520 (GRCm39) missense probably damaging 1.00
R6896:Coch UTSW 12 51,649,652 (GRCm39) missense possibly damaging 0.62
R7242:Coch UTSW 12 51,640,344 (GRCm39) start gained probably benign
R7595:Coch UTSW 12 51,645,016 (GRCm39) missense probably damaging 1.00
R7938:Coch UTSW 12 51,643,366 (GRCm39) splice site probably null
R8047:Coch UTSW 12 51,650,496 (GRCm39) critical splice donor site probably null
R8085:Coch UTSW 12 51,650,031 (GRCm39) missense possibly damaging 0.64
R9052:Coch UTSW 12 51,640,408 (GRCm39) start codon destroyed probably null 0.02
R9175:Coch UTSW 12 51,645,060 (GRCm39) missense possibly damaging 0.96
R9533:Coch UTSW 12 51,650,132 (GRCm39) missense possibly damaging 0.69
R9617:Coch UTSW 12 51,645,034 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- TCTTTATAGCGGCCACGGAG -3'
(R):5'- ACAACGGAGTAACTCGGGAC -3'

Sequencing Primer
(F):5'- CATAGGGTCTGTGCCTCTGC -3'
(R):5'- ATCCCTACGCAGGTCCCTAG -3'
Posted On 2019-10-07