Incidental Mutation 'R6714:Coch'
ID 529265
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 044832-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6714 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 51649520 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Alanine at position 277 (D277A)
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: D277A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: D277A

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: D277A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: D277A

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: 99.6%
  • 10x: 98.2%
  • 20x: 94.9%
Validation Efficiency 96% (48/50)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
BC061237 A T 14: 44,741,639 (GRCm39) R127S possibly damaging Het
Bub1 C A 2: 127,656,652 (GRCm39) M463I probably benign Het
Cdh23 T C 10: 60,167,609 (GRCm39) I1794V possibly damaging Het
Clspn C T 4: 126,459,561 (GRCm39) T320M probably damaging Het
Col5a3 C T 9: 20,690,329 (GRCm39) G1162R probably damaging Het
Dnah7c A T 1: 46,779,966 (GRCm39) I3223F probably damaging Het
E2f6 G A 12: 16,869,003 (GRCm39) V109I probably damaging Het
Edem2 A T 2: 155,570,809 (GRCm39) probably null Het
Efcab8 A G 2: 153,631,130 (GRCm39) K187E probably damaging Het
Fam184a T C 10: 53,574,979 (GRCm39) N210S probably benign Het
Fan1 T A 7: 64,022,234 (GRCm39) N340Y probably damaging Het
Fsip2 A G 2: 82,809,878 (GRCm39) I2066V probably benign Het
Fsip2 A G 2: 82,820,430 (GRCm39) T5388A possibly damaging Het
Gpc5 C T 14: 115,789,715 (GRCm39) Q530* probably null Het
Hmcn1 A T 1: 150,579,926 (GRCm39) I1937K probably damaging Het
Hpx G A 7: 105,244,302 (GRCm39) R269C probably damaging Het
Ice1 T C 13: 70,763,382 (GRCm39) probably null Het
Kbtbd4 A T 2: 90,736,183 (GRCm39) probably benign Het
Ldlrad3 T C 2: 101,783,297 (GRCm39) T310A probably benign Het
Lrp4 G A 2: 91,306,710 (GRCm39) S341N possibly damaging Het
Map3k3 T C 11: 106,005,048 (GRCm39) V69A possibly damaging Het
Myh8 T C 11: 67,197,775 (GRCm39) Y1881H probably damaging Het
Nectin4 A T 1: 171,198,218 (GRCm39) probably benign Het
Nhsl1 G T 10: 18,400,459 (GRCm39) V562L possibly damaging Het
Or4k5 A T 14: 50,385,671 (GRCm39) I220K possibly damaging Het
Or6c205 T A 10: 129,086,809 (GRCm39) N135K possibly damaging Het
Pcdhga7 T A 18: 37,850,330 (GRCm39) V779E probably benign Het
Peg12 T A 7: 62,113,317 (GRCm39) H260L unknown Het
Qrfpr A T 3: 36,234,405 (GRCm39) M312K possibly damaging Het
Rbl2 T A 8: 91,833,415 (GRCm39) I730N possibly damaging Het
Rbm39 G C 2: 156,003,538 (GRCm39) L281V possibly damaging Het
Setd1b A G 5: 123,295,654 (GRCm39) E1074G unknown Het
Sfr1 A G 19: 47,723,405 (GRCm39) D303G probably damaging Het
Slc7a12 T C 3: 14,546,380 (GRCm39) V175A probably benign Het
Slc8a1 A T 17: 81,715,678 (GRCm39) L785Q probably damaging Het
Spdl1 T A 11: 34,713,830 (GRCm39) probably null Het
Spg11 T C 2: 121,926,212 (GRCm39) I694M probably damaging Het
Tasor2 A T 13: 3,644,189 (GRCm39) F143L probably benign Het
Trpc1 A T 9: 95,605,326 (GRCm39) L111Q probably damaging Het
Tti1 A G 2: 157,848,971 (GRCm39) V756A possibly damaging Het
Unc93a2 T G 17: 7,643,937 (GRCm39) E124A probably benign Het
Usp32 A T 11: 84,917,696 (GRCm39) I777N probably damaging Het
Zbtb8b C T 4: 129,326,776 (GRCm39) E97K probably damaging Het
Zfhx4 A G 3: 5,306,897 (GRCm39) D41G probably damaging Het
Zfp493 A T 13: 67,934,499 (GRCm39) S151C probably benign Het
Zfp503 T C 14: 22,035,825 (GRCm39) T364A probably benign Het
Zfp507 T C 7: 35,487,152 (GRCm39) K772R probably damaging Het
Zfp804b T A 5: 6,819,239 (GRCm39) M1275L probably benign Het
Zfp811 G A 17: 33,016,736 (GRCm39) H434Y 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
R6497:Coch UTSW 12 51,649,504 (GRCm39) missense probably benign 0.06
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'- CATGAGTTAAATTCTTAATGGCATCG -3'
(R):5'- TGAATCACTCCTCCCCACTAG -3'
Posted On 2018-07-24