Incidental Mutation 'R4844:Coch'
ID 372063
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 042457-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4844 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 51649477 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Serine at position 263 (G263S)
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: G263S

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: G263S

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: G263S

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: G263S

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 0.6467 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.6%
Validation Efficiency 97% (68/70)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc9 T C 6: 142,634,824 (GRCm39) T147A probably benign Het
Acvrl1 T C 15: 101,033,409 (GRCm39) S99P probably damaging Het
Adamts3 T A 5: 89,825,675 (GRCm39) S1055C probably damaging Het
Aftph T C 11: 20,658,667 (GRCm39) probably benign Het
Aldh1a1 A G 19: 20,611,764 (GRCm39) K363E probably benign Het
Astn2 A G 4: 65,562,967 (GRCm39) V886A possibly damaging Het
Atad5 G A 11: 80,005,137 (GRCm39) probably null Het
C9orf72 A G 4: 35,213,565 (GRCm39) V31A possibly damaging Het
Ccnf G T 17: 24,449,331 (GRCm39) Y482* probably null Het
Cfap97 A G 8: 46,622,712 (GRCm39) D34G possibly damaging Het
Chst11 G T 10: 83,026,923 (GRCm39) E117* probably null Het
Cobl A T 11: 12,204,740 (GRCm39) L572Q probably benign Het
Coq4 T C 2: 29,686,026 (GRCm39) I205T possibly damaging Het
Cyp3a13 A T 5: 137,915,813 (GRCm39) I62K probably benign Het
Cyp7a1 A G 4: 6,273,655 (GRCm39) S84P probably damaging Het
Dennd10 GTCT GT 19: 60,823,435 (GRCm39) probably null Het
G6pc3 G A 11: 102,084,057 (GRCm39) probably null Het
Gm10576 T C 4: 100,911,707 (GRCm39) noncoding transcript Het
Gm17511 G A 7: 126,885,454 (GRCm39) noncoding transcript Het
Gnat2 T C 3: 108,002,831 (GRCm39) S80P probably damaging Het
Gpaa1 C T 15: 76,216,508 (GRCm39) probably benign Het
Gpr107 T A 2: 31,078,686 (GRCm39) probably null Het
Hormad1 T C 3: 95,478,242 (GRCm39) Y103H probably damaging Het
Ighv14-1 T G 12: 113,895,622 (GRCm39) Q101P probably damaging Het
Igsf9 A G 1: 172,324,737 (GRCm39) D885G probably benign Het
Il15ra G A 2: 11,723,082 (GRCm39) probably benign Het
Islr2 C T 9: 58,115,517 (GRCm39) probably benign Het
Jak3 A T 8: 72,134,299 (GRCm39) N467I possibly damaging Het
Jarid2 T C 13: 45,067,248 (GRCm39) V1023A probably damaging Het
Kcnn2 A T 18: 45,816,187 (GRCm39) T333S possibly damaging Het
Klk14 G A 7: 43,341,501 (GRCm39) C51Y probably damaging Het
Kmt2c T C 5: 25,520,111 (GRCm39) T2000A probably benign Het
Lpxn A G 19: 12,810,536 (GRCm39) T327A probably damaging Het
Mxra8 A G 4: 155,927,151 (GRCm39) T362A probably benign Het
Myh6 A G 14: 55,184,651 (GRCm39) I1560T possibly damaging Het
Ndufv1 A G 19: 4,062,574 (GRCm39) S17P probably benign Het
Nwd1 A T 8: 73,393,742 (GRCm39) H335L probably damaging Het
Or1a1 A G 11: 74,086,902 (GRCm39) D191G probably damaging Het
Or2f1b T A 6: 42,739,394 (GRCm39) M136K probably damaging Het
Otop2 G A 11: 115,214,201 (GRCm39) probably null Het
Pwwp2b C A 7: 138,835,502 (GRCm39) S314R probably benign Het
Rfx7 C T 9: 72,500,524 (GRCm39) Q95* probably null Het
Serpine2 A T 1: 79,777,241 (GRCm39) L192* probably null Het
Smpdl3b T C 4: 132,465,369 (GRCm39) I322M probably damaging Het
Spata31d1b C T 13: 59,866,169 (GRCm39) R1106C possibly damaging Het
Sprr2k T G 3: 92,336,732 (GRCm39) probably null Het
St8sia1 T A 6: 142,774,996 (GRCm39) R194S possibly damaging Het
Sv2a T A 3: 96,095,695 (GRCm39) V337D probably damaging Het
Tars1 G A 15: 11,385,281 (GRCm39) R637W possibly damaging Het
Tcp11l2 G T 10: 84,449,555 (GRCm39) V507L probably benign Het
Tpr T C 1: 150,321,630 (GRCm39) Y2262H possibly damaging Het
Vars1 A G 17: 35,230,588 (GRCm39) E529G probably damaging Het
Vash2 C T 1: 190,710,691 (GRCm39) probably benign Het
Vmn1r194 T C 13: 22,429,223 (GRCm39) V280A probably benign Het
Vti1a A G 19: 55,380,297 (GRCm39) T142A probably damaging Het
Zfp111 C T 7: 23,898,801 (GRCm39) C270Y probably damaging Het
Zfp518a T A 19: 40,903,340 (GRCm39) Y1090N probably damaging Het
Zfp616 A T 11: 73,975,225 (GRCm39) Y498F 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
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'- TGTGAAGGCCAAAACTAGGTCTG -3'
(R):5'- GTCGGCCCCAAATGAATCAC -3'

Sequencing Primer
(F):5'- GGCCAAAACTAGGTCTGAAGAAG -3'
(R):5'- TGCACCTTACCTTGTCAACAAATG -3'
Posted On 2016-03-01