Incidental Mutation 'R3932:Coch'
ID 308520
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 040919-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3932 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 51650121 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 370 (I370T)
Ref Sequence ENSEMBL: ENSMUSP00000128127 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085412] [ENSMUST00000164782]
AlphaFold Q62507
Predicted Effect probably damaging
Transcript: ENSMUST00000085412
AA Change: I370T

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: I370T

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 damaging
Transcript: ENSMUST00000164782
AA Change: I370T

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: I370T

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
Meta Mutation Damage Score 0.9273 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.7%
  • 10x: 97.1%
  • 20x: 94.1%
Validation Efficiency 100% (52/52)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ap3b2 C T 7: 81,123,598 (GRCm39) probably benign Het
Arl1 C T 10: 88,569,398 (GRCm39) probably benign Het
Arsi G A 18: 61,049,723 (GRCm39) G202E probably benign Het
Atp10a T C 7: 58,476,852 (GRCm39) M1189T possibly damaging Het
Bcl2l14 A G 6: 134,400,771 (GRCm39) D64G probably damaging Het
Cdc34b G A 11: 94,633,441 (GRCm39) V214M probably benign Het
Cfap54 T C 10: 92,665,619 (GRCm39) T2985A probably benign Het
Clcc1 T C 3: 108,580,682 (GRCm39) M332T probably damaging Het
Ctdnep1 A G 11: 69,880,400 (GRCm39) probably benign Het
Edar C T 10: 58,446,164 (GRCm39) C221Y probably damaging Het
Fam135b T A 15: 71,322,280 (GRCm39) Q1295L probably benign Het
Fam184a C T 10: 53,575,397 (GRCm39) A71T probably damaging Het
Fbxw10 A G 11: 62,759,983 (GRCm39) probably benign Het
Frmd4a T C 2: 4,542,071 (GRCm39) W247R probably damaging Het
Gcn1 A G 5: 115,725,893 (GRCm39) H553R probably benign Het
Grin3a C T 4: 49,672,472 (GRCm39) probably null Het
H2-Q6 C T 17: 35,644,542 (GRCm39) probably benign Het
Hivep2 C A 10: 14,004,713 (GRCm39) T437K probably benign Het
Hspg2 T C 4: 137,242,879 (GRCm39) V670A probably damaging Het
Med10 A G 13: 69,958,101 (GRCm39) N18D probably damaging Het
Mgat4b T A 11: 50,124,165 (GRCm39) H368Q possibly damaging Het
Morn5 C A 2: 35,943,035 (GRCm39) T45N probably damaging Het
Mrc2 G A 11: 105,239,257 (GRCm39) probably null Het
Msl3 C T X: 167,454,813 (GRCm39) A87T probably damaging Het
Myrf T C 19: 10,195,515 (GRCm39) T432A probably damaging Het
Nalf2 G A X: 98,865,470 (GRCm39) V266M possibly damaging Het
Nav3 T A 10: 109,529,896 (GRCm39) E2148D probably damaging Het
Nfe2l3 A G 6: 51,433,595 (GRCm39) T236A possibly damaging Het
Odc1 T A 12: 17,598,801 (GRCm39) F227Y probably benign Het
Opa1 A T 16: 29,429,698 (GRCm39) E401D probably damaging Het
Or5b21 T C 19: 12,839,994 (GRCm39) M285T possibly damaging Het
Pdcd1 T C 1: 93,968,989 (GRCm39) I110V probably benign Het
Pde5a G A 3: 122,554,545 (GRCm39) E212K probably damaging Het
Plin4 A G 17: 56,413,704 (GRCm39) I307T probably benign Het
Rag1 T C 2: 101,473,384 (GRCm39) Y586C probably damaging Het
Rgs7bp T C 13: 105,189,506 (GRCm39) M98V probably benign Het
Rgs9 A G 11: 109,166,639 (GRCm39) probably benign Het
Rin3 A G 12: 102,356,342 (GRCm39) D961G probably damaging Het
Rubcn A G 16: 32,649,629 (GRCm39) probably null Het
Slc13a2 T A 11: 78,289,226 (GRCm39) Y495F probably damaging Het
Tfec T A 6: 16,845,458 (GRCm39) D67V probably damaging Het
Tmem94 T C 11: 115,680,080 (GRCm39) M30T probably benign Het
Tsbp1 A G 17: 34,662,417 (GRCm39) T86A possibly damaging Het
Tubgcp6 A G 15: 88,988,617 (GRCm39) probably benign Het
Vmn2r10 C A 5: 109,150,088 (GRCm39) A319S possibly damaging Het
Vmn2r85 T C 10: 130,254,336 (GRCm39) M783V probably damaging Het
Zfp422 T C 6: 116,603,420 (GRCm39) K193R probably benign Het
Zfp94 T G 7: 24,003,112 (GRCm39) D110A 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
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
R7463:Coch UTSW 12 51,640,408 (GRCm39) start codon destroyed probably null 0.02
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'- GCATAAGGTTCTAGGTTCATTCTC -3'
(R):5'- AGGACAGCTAGGACGTTCTC -3'

Sequencing Primer
(F):5'- AAGGTTCTAGGTTCATTCTCCATTAC -3'
(R):5'- ACAGCTAGGACGTTCTCTTTGG -3'
Posted On 2015-04-17