Incidental Mutation 'R1485:Coch'
ID 163422
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 039538-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1485 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 51645072 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Phenylalanine at position 209 (V209F)
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: V209F

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: V209F

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: V209F

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: V209F

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 noncoding transcript
Transcript: ENSMUST00000218382
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220173
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.1%
  • 20x: 92.5%
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrv1 A G 13: 81,727,738 (GRCm39) S301P probably damaging Het
AI987944 C A 7: 41,023,954 (GRCm39) G342* probably null Het
Alox5 A T 6: 116,401,125 (GRCm39) F212I probably damaging Het
Apaf1 A T 10: 90,896,105 (GRCm39) D322E probably benign Het
Aste1 T A 9: 105,275,009 (GRCm39) Y355* probably null Het
Bloc1s6 T G 2: 122,588,063 (GRCm39) probably null Het
Bltp2 A G 11: 78,176,406 (GRCm39) Y1836C probably damaging Het
Castor2 T A 5: 134,165,972 (GRCm39) L240Q probably damaging Het
Ccdc77 G A 6: 120,315,101 (GRCm39) Q183* probably null Het
Ccdc92 T C 5: 124,913,335 (GRCm39) T65A probably benign Het
Chrna2 C T 14: 66,380,812 (GRCm39) A27V probably benign Het
Cops3 G A 11: 59,718,715 (GRCm39) T193M possibly damaging Het
Cped1 T C 6: 22,132,387 (GRCm39) probably null Het
D6Ertd527e A T 6: 87,088,067 (GRCm39) S77C unknown Het
Defb7 A G 8: 19,545,110 (GRCm39) probably null Het
Dnaaf9 A G 2: 130,590,603 (GRCm39) probably null Het
Entpd6 T A 2: 150,610,843 (GRCm39) probably null Het
Evc2 C T 5: 37,527,900 (GRCm39) A303V probably benign Het
Fhod1 T C 8: 106,063,430 (GRCm39) probably null Het
Gcn1 T A 5: 115,712,676 (GRCm39) F54I probably benign Het
Gm7104 C A 12: 88,252,333 (GRCm39) noncoding transcript Het
Grid1 A T 14: 34,544,540 (GRCm39) D37V probably damaging Het
Icam5 G A 9: 20,947,702 (GRCm39) A560T probably benign Het
Igf2r A C 17: 12,910,172 (GRCm39) I2019S probably damaging Het
Kcnj9 A G 1: 172,153,929 (GRCm39) V65A probably benign Het
Kif3b T C 2: 153,164,851 (GRCm39) probably null Het
Kmt2a T G 9: 44,738,225 (GRCm39) probably benign Het
Marchf6 T A 15: 31,498,839 (GRCm39) T153S probably damaging Het
Mcam T A 9: 44,048,060 (GRCm39) I72N probably damaging Het
Ncoa4-ps A G 12: 119,224,785 (GRCm39) noncoding transcript Het
Nkain3 T C 4: 20,484,932 (GRCm39) I48M probably damaging Het
Nop58 T A 1: 59,737,504 (GRCm39) I107N probably damaging Het
Notch2 A G 3: 98,007,573 (GRCm39) H441R probably benign Het
Nr1d1 G A 11: 98,661,187 (GRCm39) R360C probably benign Het
Or56a5 A G 7: 104,792,888 (GRCm39) I210T probably benign Het
Pclo T C 5: 14,763,793 (GRCm39) S4089P unknown Het
Pi4kb A G 3: 94,901,698 (GRCm39) E455G probably damaging Het
Piezo1 T C 8: 123,208,788 (GRCm39) Y2525C probably damaging Het
Pik3c2a A G 7: 116,016,908 (GRCm39) V283A possibly damaging Het
Pramel12 G A 4: 143,144,188 (GRCm39) R178Q probably benign Het
Rabgap1l A T 1: 160,561,250 (GRCm39) V161E probably benign Het
Rasa2 A G 9: 96,426,401 (GRCm39) I815T probably benign Het
Rev1 A T 1: 38,127,653 (GRCm39) D202E probably benign Het
Septin14 C T 5: 129,770,118 (GRCm39) A193T probably damaging Het
Sh3tc1 T C 5: 35,876,370 (GRCm39) S112G probably benign Het
Siah3 T A 14: 75,762,994 (GRCm39) Y82N probably benign Het
Slc2a7 T C 4: 150,250,853 (GRCm39) S425P probably damaging Het
Slc9a2 C T 1: 40,765,548 (GRCm39) L313F probably damaging Het
Smdt1 T C 15: 82,230,433 (GRCm39) V50A probably benign Het
Spata31e2 T G 1: 26,724,961 (GRCm39) K73T possibly damaging Het
Supt3 G A 17: 45,347,607 (GRCm39) A197T probably benign Het
Tex10 A G 4: 48,436,492 (GRCm39) I742T possibly damaging Het
Tex44 T A 1: 86,355,640 (GRCm39) H516Q possibly damaging Het
Tfdp1 T G 8: 13,420,917 (GRCm39) D171E probably damaging Het
Trim31 A C 17: 37,209,568 (GRCm39) D108A probably damaging Het
Ubr1 T C 2: 120,791,579 (GRCm39) N135S probably benign Het
Uso1 G A 5: 92,328,422 (GRCm39) V340I possibly damaging Het
Utp6 A C 11: 79,839,749 (GRCm39) V313G probably damaging Het
Vmn2r107 T C 17: 20,595,109 (GRCm39) V554A possibly damaging Het
Xdh C A 17: 74,221,014 (GRCm39) E572* probably null Het
Zbtb7c T C 18: 76,270,061 (GRCm39) S50P probably damaging Het
Zfp672 A G 11: 58,220,395 (GRCm39) probably benign Het
Zzef1 A G 11: 72,791,635 (GRCm39) probably null 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
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
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'- GACTAACGAAGCCCTTCTCTGCC -3'
(R):5'- ACTAGCCCTGCACAGTCTACCC -3'

Sequencing Primer
(F):5'- GCCCTTCTCTGCCTCTCTG -3'
(R):5'- ccctcccacccactctc -3'
Posted On 2014-03-28