Incidental Mutation 'R6134:Coch'
ID 487296
Institutional Source Beutler Lab
Gene Symbol Coch
Ensembl Gene ENSMUSG00000020953
Gene Name cochlin
Synonyms Coch-5B2, D12H14S564E
MMRRC Submission 044281-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6134 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 51640156-51652558 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 51649536 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 282 (D282E)
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: D282E

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000082533
Gene: ENSMUSG00000020953
AA Change: D282E

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: D282E

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000128127
Gene: ENSMUSG00000020953
AA Change: D282E

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 0.3814 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.4%
  • 20x: 95.6%
Validation Efficiency 94% (51/54)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2810021J22Rik G A 11: 58,767,619 (GRCm39) E39K probably damaging Het
Afg3l2 G T 18: 67,554,329 (GRCm39) L458M probably damaging Het
Aktip T A 8: 91,856,388 (GRCm39) S30C probably damaging Het
Anxa10 G T 8: 62,530,977 (GRCm39) H78N probably damaging Het
Aoah C T 13: 21,095,293 (GRCm39) R196W probably damaging Het
Arl4c A T 1: 88,629,152 (GRCm39) W79R probably damaging Het
Brd2 A T 17: 34,332,669 (GRCm39) D178E probably benign Het
Cacna1e G A 1: 154,577,037 (GRCm39) P120L probably damaging Het
Cdh16 A T 8: 105,342,697 (GRCm39) M17K probably benign Het
Cdhr17 A T 5: 17,029,683 (GRCm39) D473V probably damaging Het
Chit1 A G 1: 134,071,798 (GRCm39) T103A possibly damaging Het
Clcn3 T C 8: 61,387,607 (GRCm39) Y214C probably damaging Het
Col1a2 C A 6: 4,538,035 (GRCm39) S1181R unknown Het
Col6a2 T C 10: 76,442,978 (GRCm39) D506G probably damaging Het
Crx A T 7: 15,602,032 (GRCm39) Y215* probably null Het
Fasn A T 11: 120,713,012 (GRCm39) S58T probably benign Het
Fhip1a T C 3: 85,580,651 (GRCm39) E518G possibly damaging Het
Garem1 A T 18: 21,262,881 (GRCm39) D644E probably benign Het
H2-Q2 A C 17: 35,562,217 (GRCm39) T155P probably damaging Het
Insr A T 8: 3,242,572 (GRCm39) I49N probably damaging Het
Itgb4 C T 11: 115,874,983 (GRCm39) R447W probably benign Het
Lnpep A G 17: 17,773,454 (GRCm39) M639T probably benign Het
Lypd11 G A 7: 24,425,481 (GRCm39) A3V probably damaging Het
Map3k20 C T 2: 72,240,503 (GRCm39) S333F probably damaging Het
Miga2 A G 2: 30,261,229 (GRCm39) S175G probably benign Het
Muc3a A T 5: 137,244,579 (GRCm39) I191N probably damaging Het
Ncoa2 A G 1: 13,244,595 (GRCm39) V701A probably damaging Het
Nid2 T C 14: 19,828,851 (GRCm39) V565A probably damaging Het
Nova2 G A 7: 18,691,794 (GRCm39) A244T unknown Het
Numbl G C 7: 26,980,739 (GRCm39) A574P probably damaging Het
Oas3 A G 5: 120,907,113 (GRCm39) V508A unknown Het
Or8b36 ATTGCTGTTT ATTGCTGTTTGCTGTTT 9: 37,937,836 (GRCm39) probably null Het
Otx1 A T 11: 21,949,406 (GRCm39) L24H probably damaging Het
Pcdhb21 T A 18: 37,647,461 (GRCm39) S197T probably benign Het
Pck2 T A 14: 55,781,419 (GRCm39) M180K probably damaging Het
Pgr T C 9: 8,900,740 (GRCm39) V91A possibly damaging Het
Phtf1 A T 3: 103,911,721 (GRCm39) M643L probably damaging Het
Prokr1 T C 6: 87,565,837 (GRCm39) T3A possibly damaging Het
Ptgs1 T C 2: 36,141,190 (GRCm39) Y546H probably damaging Het
Rasa1 A G 13: 85,374,745 (GRCm39) L742P probably benign Het
Rbbp6 T C 7: 122,596,534 (GRCm39) probably null Het
Rgs22 A G 15: 36,107,194 (GRCm39) L64P probably damaging Het
Rnf213 A T 11: 119,302,296 (GRCm39) I407F probably damaging Het
Rp1l1 C T 14: 64,267,545 (GRCm39) P1044S probably damaging Het
Scin G A 12: 40,110,578 (GRCm39) P690L probably damaging Het
Septin9 T C 11: 117,242,987 (GRCm39) L58P probably damaging Het
Slc1a7 A G 4: 107,869,633 (GRCm39) E566G probably damaging Het
Speer4f1 G A 5: 17,681,140 (GRCm39) R6Q probably benign Het
Tnxb A T 17: 34,890,986 (GRCm39) Y443F probably damaging Het
Trpv1 A G 11: 73,135,143 (GRCm39) I79V probably benign Het
Ttll6 C T 11: 96,030,568 (GRCm39) T245I possibly damaging Het
Vmn2r26 T C 6: 124,038,444 (GRCm39) I673T probably damaging Het
Zfp60 T C 7: 27,449,323 (GRCm39) F664L 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
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'- TGTGAAGGCCAAAACTAGGTCTG -3'
(R):5'- GTCGGCCCCAAATGAATCAC -3'

Sequencing Primer
(F):5'- TCTTAATGGCATCGTTATTAACCTG -3'
(R):5'- TGAATCACTCCTCCCCACTAG -3'
Posted On 2017-10-10