Incidental Mutation 'R9175:Coch'
ID 696637
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 068948-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9175 (G1)
Quality Score 225.009
Status Not validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 51645060 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Asparagine at position 205 (H205N)
Ref Sequence ENSEMBL: ENSMUSP00000082533 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085412] [ENSMUST00000164782]
AlphaFold Q62507
Predicted Effect possibly damaging
Transcript: ENSMUST00000085412
AA Change: H205N

PolyPhen 2 Score 0.956 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: H205N

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 possibly damaging
Transcript: ENSMUST00000164782
AA Change: H205N

PolyPhen 2 Score 0.956 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: H205N

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: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
Validation Efficiency
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
2900092C05Rik G A 7: 12,249,412 (GRCm39) D82N probably benign Het
Abca13 A G 11: 9,531,593 (GRCm39) K4607E probably damaging Het
Agpat4 G C 17: 12,417,669 (GRCm39) G70A probably damaging Het
Ank2 G A 3: 126,722,402 (GRCm39) T1017I possibly damaging Het
C2cd2 T C 16: 97,678,421 (GRCm39) I339V probably benign Het
Cacna1a A T 8: 85,296,644 (GRCm39) N1221Y probably damaging Het
Cacna1e A G 1: 154,274,314 (GRCm39) V2197A probably damaging Het
Ccdc74a T C 16: 17,468,042 (GRCm39) S101P probably benign Het
Cdh13 A T 8: 119,968,968 (GRCm39) I442F probably damaging Het
Cnot2 A T 10: 116,334,051 (GRCm39) M373K possibly damaging Het
Col6a4 A G 9: 105,957,560 (GRCm39) V88A probably benign Het
Erich3 A G 3: 154,419,601 (GRCm39) T35A probably benign Het
Gm28360 A T 1: 117,781,328 (GRCm39) K106N possibly damaging Het
Hps4 G A 5: 112,525,905 (GRCm39) S642N possibly damaging Het
Hspg2 T C 4: 137,256,657 (GRCm39) F1467L probably damaging Het
Ighg2c T C 12: 113,252,499 (GRCm39) T18A Het
Iqcm A G 8: 76,710,867 (GRCm39) K472E possibly damaging Het
Kcnk5 A T 14: 20,192,117 (GRCm39) V348D probably benign Het
Kcns3 C T 12: 11,169,801 (GRCm39) probably benign Het
Klk15 C T 7: 43,587,790 (GRCm39) H73Y possibly damaging Het
Muc5ac A G 7: 141,366,093 (GRCm39) D2787G possibly damaging Het
Nasp A G 4: 116,471,576 (GRCm39) C84R probably damaging Het
Nfia G A 4: 97,671,362 (GRCm39) R24H probably damaging Het
Opa3 C T 7: 18,989,466 (GRCm39) R110C probably damaging Het
Or2t48 T C 11: 58,420,590 (GRCm39) D74G probably damaging Het
Or8k25 A G 2: 86,244,099 (GRCm39) I99T probably benign Het
Pdia4 A C 6: 47,775,417 (GRCm39) S464R possibly damaging Het
Rab3gap2 A G 1: 185,009,360 (GRCm39) D1092G probably damaging Het
Rev3l A G 10: 39,730,764 (GRCm39) K2763E possibly damaging Het
Sanbr A T 11: 23,534,518 (GRCm39) probably null Het
Sorbs1 A T 19: 40,315,018 (GRCm39) L598Q probably damaging Het
Sppl2b A T 10: 80,698,807 (GRCm39) M154L probably benign Het
Stk33 A G 7: 108,920,724 (GRCm39) I331T probably damaging Het
Strip2 A G 6: 29,933,035 (GRCm39) E494G probably benign Het
Supt6 C T 11: 78,112,052 (GRCm39) R1010Q possibly damaging Het
Tada1 G A 1: 166,210,005 (GRCm39) R69H probably damaging Het
Tent4a A G 13: 69,663,915 (GRCm39) L268P probably damaging Het
Tmco1 C T 1: 167,136,132 (GRCm39) probably benign Het
Tomm34 A G 2: 163,912,385 (GRCm39) probably null Het
Tpi1 T C 6: 124,788,871 (GRCm39) T223A probably damaging Het
Trpc3 T A 3: 36,709,279 (GRCm39) N399I probably benign Het
Vgll2 A G 10: 51,903,635 (GRCm39) H166R probably damaging Het
Vmn2r107 A T 17: 20,577,051 (GRCm39) I350F possibly damaging Het
Vmn2r114 T A 17: 23,527,212 (GRCm39) K440M probably damaging Het
Vmn2r55 T C 7: 12,385,793 (GRCm39) Y729C possibly damaging Het
Zfp106 G T 2: 120,353,197 (GRCm39) A1554E probably damaging Het
Zfyve27 A G 19: 42,169,997 (GRCm39) Y176C probably damaging Het
Zswim5 T A 4: 116,822,941 (GRCm39) N470K 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
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
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'- AATGGCAGGTCCTTGAGGTG -3'
(R):5'- TGCATGCAAGTGCTTTCAG -3'

Sequencing Primer
(F):5'- AGGTGCTCGGGGGACTAAC -3'
(R):5'- CTGGCCTTGAACTCACAGAGATG -3'
Posted On 2022-02-07