Incidental Mutation 'R6497:Coch'
ID 523076
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 044629-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6497 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 51649504 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 272 (V272M)
Ref Sequence ENSEMBL: ENSMUSP00000128127 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085412] [ENSMUST00000164782]
AlphaFold Q62507
Predicted Effect probably benign
Transcript: ENSMUST00000085412
AA Change: V272M

PolyPhen 2 Score 0.057 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: V272M

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 benign
Transcript: ENSMUST00000164782
AA Change: V272M

PolyPhen 2 Score 0.057 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: V272M

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: 99.9%
  • 3x: 99.5%
  • 10x: 97.6%
  • 20x: 92.5%
Validation Efficiency 98% (42/43)
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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc2 T A 19: 43,793,544 (GRCm39) Y399N probably damaging Het
Acsm3 G A 7: 119,379,972 (GRCm39) probably null Het
Aldh16a1 T A 7: 44,794,361 (GRCm39) S556C possibly damaging Het
Armc7 T C 11: 115,367,077 (GRCm39) I74T probably benign Het
Atp13a4 T C 16: 29,298,719 (GRCm39) D80G probably damaging Het
Bicral A T 17: 47,136,499 (GRCm39) I237K probably damaging Het
Caskin1 T C 17: 24,723,522 (GRCm39) V770A probably benign Het
Cd209c T C 8: 3,994,122 (GRCm39) K113E possibly damaging Het
Cdh20 G A 1: 109,993,528 (GRCm39) probably null Het
Clca3a1 A T 3: 144,465,020 (GRCm39) V71D possibly damaging Het
Cntnap5a T C 1: 116,505,627 (GRCm39) L1228P probably damaging Het
Cntrl A G 2: 35,025,584 (GRCm39) N85D possibly damaging Het
Col22a1 T C 15: 71,762,425 (GRCm39) E78G possibly damaging Het
Cyp2c66 T A 19: 39,151,821 (GRCm39) C179S probably damaging Het
Dsg3 A G 18: 20,670,305 (GRCm39) I681V probably benign Het
Egflam A T 15: 7,280,784 (GRCm39) probably null Het
Fut10 T A 8: 31,726,278 (GRCm39) D344E probably damaging Het
Gad2 C T 2: 22,558,269 (GRCm39) P329L probably damaging Het
Gm14393 T C 2: 174,903,427 (GRCm39) E160G possibly damaging Het
Gprc6a T C 10: 51,491,797 (GRCm39) I476V probably benign Het
Limk2 A G 11: 3,310,492 (GRCm39) F71L probably benign Het
Neb A T 2: 52,148,301 (GRCm39) N2648K possibly damaging Het
Or51f5 T A 7: 102,424,657 (GRCm39) F309I probably benign Het
Or52d1 T C 7: 103,756,422 (GRCm39) probably benign Het
Or8d1b G A 9: 38,887,490 (GRCm39) V173I probably benign Het
Pcdhgb7 T A 18: 37,886,906 (GRCm39) V692E probably damaging Het
Pclo A C 5: 14,843,869 (GRCm39) K4802Q unknown Het
Primpol A T 8: 47,039,376 (GRCm39) probably null Het
Prr14 C T 7: 127,073,750 (GRCm39) R205C probably benign Het
Rbm12b1 T C 4: 12,146,431 (GRCm39) I801T probably benign Het
Ror2 A T 13: 53,285,955 (GRCm39) N86K probably damaging Het
Rsf1 G GACGGCGGCT 7: 97,229,116 (GRCm39) probably benign Het
Sh2d4b A G 14: 40,596,139 (GRCm39) V81A probably benign Het
Skint6 A G 4: 113,093,595 (GRCm39) Y183H probably damaging Het
Snapc3 G T 4: 83,371,363 (GRCm39) E388* probably null Het
Srrm4 A T 5: 116,605,550 (GRCm39) S236T unknown Het
Srrt G T 5: 137,295,768 (GRCm39) P193H probably damaging Het
Sspo A T 6: 48,472,142 (GRCm39) T810S possibly damaging Het
Stk36 A G 1: 74,642,391 (GRCm39) H6R probably damaging Het
Tiam2 A G 17: 3,557,102 (GRCm39) T1181A probably damaging Het
Tmem184a A G 5: 139,798,755 (GRCm39) F65L probably damaging Het
Vwa8 A G 14: 79,333,841 (GRCm39) I1330M probably benign Het
Zfp827 T A 8: 79,906,757 (GRCm39) M923K probably damaging 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
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'- TGAAGGCCAAAACTAGGTCTG -3'
(R):5'- TTGTCGGCCCCAAATGAATC -3'

Sequencing Primer
(F):5'- GGCCAAAACTAGGTCTGAAGAAG -3'
(R):5'- TGAATCACTCCTCCCCACTAG -3'
Posted On 2018-06-06