Incidental Mutation 'R6896:Coch'
ID 538347
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 044990-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6896 (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 G at 51649652 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 321 (D321G)
Ref Sequence ENSEMBL: ENSMUSP00000128127 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085412] [ENSMUST00000164782]
AlphaFold Q62507
Predicted Effect possibly damaging
Transcript: ENSMUST00000085412
AA Change: D321G

PolyPhen 2 Score 0.615 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: D321G

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: D321G

PolyPhen 2 Score 0.615 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: D321G

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 0.2669 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.2%
  • 20x: 97.3%
Validation Efficiency 98% (49/50)
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
Abcg2 T C 6: 58,660,298 (GRCm39) L454P probably damaging Het
Acadm T C 3: 153,641,957 (GRCm39) I192V probably damaging Het
Acadsb T A 7: 131,045,375 (GRCm39) Y436N probably benign Het
Ache G A 5: 137,289,996 (GRCm39) V442M probably damaging Het
Adam39 A T 8: 41,277,975 (GRCm39) N122I possibly damaging Het
Akap6 A T 12: 52,934,277 (GRCm39) I590F probably benign Het
Akap8 T C 17: 32,536,305 (GRCm39) N36S probably benign Het
Asap2 T C 12: 21,315,526 (GRCm39) S933P probably damaging Het
C3 C T 17: 57,527,864 (GRCm39) probably null Het
Cdon T A 9: 35,363,402 (GRCm39) M1K probably null Het
Cemip T A 7: 83,647,784 (GRCm39) I99F probably damaging Het
Cfap251 A G 5: 123,416,421 (GRCm39) T565A possibly damaging Het
Cfap58 T G 19: 47,932,626 (GRCm39) L130R probably damaging Het
Clca3a2 T C 3: 144,514,462 (GRCm39) D415G probably damaging Het
Dync2i1 C T 12: 116,193,291 (GRCm39) G554R possibly damaging Het
Efcab11 A G 12: 99,849,674 (GRCm39) probably benign Het
Ermap G T 4: 119,044,328 (GRCm39) S156* probably null Het
Fap G T 2: 62,334,944 (GRCm39) Y620* probably null Het
Galntl5 T C 5: 25,394,947 (GRCm39) probably null Het
Il21r C A 7: 125,226,128 (GRCm39) H76N probably damaging Het
Itpr1 T G 6: 108,458,355 (GRCm39) Y2041D probably damaging Het
Megf8 T A 7: 25,029,357 (GRCm39) N300K probably benign Het
Muc2 G A 7: 141,306,432 (GRCm39) V285I possibly damaging Het
Myh15 A T 16: 48,933,434 (GRCm39) Q623L probably benign Het
Myh7b T C 2: 155,464,488 (GRCm39) probably null Het
Naaladl1 T A 19: 6,159,335 (GRCm39) probably null Het
Nlrp9b T G 7: 19,757,170 (GRCm39) F136V probably damaging Het
Oprd1 A T 4: 131,844,612 (GRCm39) M132K probably damaging Het
Or10a3b T C 7: 108,444,750 (GRCm39) T156A probably benign Het
Or4s2b A G 2: 88,508,340 (GRCm39) N47S probably damaging Het
Or6c70 A T 10: 129,710,623 (GRCm39) M1K probably null Het
Or9g4 A G 2: 85,505,277 (GRCm39) Y73H probably damaging Het
Patj T A 4: 98,314,287 (GRCm39) V369D possibly damaging Het
Pcdhb3 T C 18: 37,434,265 (GRCm39) L77P probably damaging Het
Pcf11 T C 7: 92,298,759 (GRCm39) D1259G probably damaging Het
Pdcl A T 2: 37,242,191 (GRCm39) H186Q probably damaging Het
Pdzd9 A T 7: 120,262,095 (GRCm39) *77R probably null Het
Reln C T 5: 22,104,177 (GRCm39) E3265K probably benign Het
Smg8 T C 11: 86,968,787 (GRCm39) T990A possibly damaging Het
Smok2a C T 17: 13,444,758 (GRCm39) H112Y probably benign Het
Spatc1l G A 10: 76,405,242 (GRCm39) R208H probably damaging Het
Taf7 T C 18: 37,775,733 (GRCm39) D278G possibly damaging Het
Vipas39 T C 12: 87,289,345 (GRCm39) N373S probably benign Het
Vmn2r78 C T 7: 86,571,558 (GRCm39) T456I probably benign Het
Vwf T C 6: 125,543,157 (GRCm39) S148P probably damaging Het
Xpot A C 10: 121,449,390 (GRCm39) probably null Het
Zdbf2 A T 1: 63,348,031 (GRCm39) R2137W probably damaging Het
Zfp462 T A 4: 55,009,544 (GRCm39) N503K possibly damaging Het
Zfp641 T A 15: 98,191,684 (GRCm39) M1L 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
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'- CAGAAATTCTTTACAGCAGACACTGG -3'
(R):5'- TATGCATGTGTTCCCAGGCC -3'

Sequencing Primer
(F):5'- CACTGGTGTGAGAAAAGGAATACC -3'
(R):5'- GGTCTTAATTGCATAGGCTGGCC -3'
Posted On 2018-11-06