Incidental Mutation 'R6556:Tnnt1'
ID 522162
Institutional Source Beutler Lab
Gene Symbol Tnnt1
Ensembl Gene ENSMUSG00000064179
Gene Name troponin T1, skeletal, slow
Synonyms Tnt, ssTnT, sTnT, skeletal muscle slow-twitch TnT
Accession Numbers
Essential gene? Probably non essential (E-score: 0.214) question?
Stock # R6556 (G1)
Quality Score 225.009
Status Not validated
Chromosome 7
Chromosomal Location 4507568-4518974 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4512576 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 110 (E110G)
Ref Sequence ENSEMBL: ENSMUSP00000125795 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071798] [ENSMUST00000108587] [ENSMUST00000163538] [ENSMUST00000163560] [ENSMUST00000163710] [ENSMUST00000163722] [ENSMUST00000166161] [ENSMUST00000166268] [ENSMUST00000166959] [ENSMUST00000178163]
AlphaFold O88346
Predicted Effect probably damaging
Transcript: ENSMUST00000071798
AA Change: E122G

PolyPhen 2 Score 0.983 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000071704
Gene: ENSMUSG00000064179
AA Change: E122G

DomainStartEndE-ValueType
low complexity region 5 56 N/A INTRINSIC
Pfam:Troponin 68 210 7.3e-40 PFAM
low complexity region 246 259 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000086502
Predicted Effect probably damaging
Transcript: ENSMUST00000108587
AA Change: E123G

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000104228
Gene: ENSMUSG00000064179
AA Change: E123G

DomainStartEndE-ValueType
low complexity region 5 57 N/A INTRINSIC
Pfam:Troponin 69 205 3e-36 PFAM
Pfam:Troponin 197 260 4.8e-8 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000163538
AA Change: E122G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000127964
Gene: ENSMUSG00000064179
AA Change: E122G

DomainStartEndE-ValueType
low complexity region 5 56 N/A INTRINSIC
Pfam:Troponin 68 160 4.4e-26 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000163560
Predicted Effect probably damaging
Transcript: ENSMUST00000163710
AA Change: E111G

PolyPhen 2 Score 0.983 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000129626
Gene: ENSMUSG00000064179
AA Change: E111G

DomainStartEndE-ValueType
coiled coil region 2 29 N/A INTRINSIC
Pfam:Troponin 57 199 1.9e-39 PFAM
low complexity region 235 248 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000163722
SMART Domains Protein: ENSMUSP00000129409
Gene: ENSMUSG00000064179

DomainStartEndE-ValueType
low complexity region 17 64 N/A INTRINSIC
Pfam:Troponin 76 118 1.9e-13 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000166161
AA Change: E110G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000125795
Gene: ENSMUSG00000064179
AA Change: E110G

DomainStartEndE-ValueType
low complexity region 5 46 N/A INTRINSIC
Pfam:Troponin 56 198 3.4e-40 PFAM
low complexity region 234 247 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000166268
AA Change: E112G

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000128476
Gene: ENSMUSG00000064179
AA Change: E112G

DomainStartEndE-ValueType
coiled coil region 2 28 N/A INTRINSIC
Pfam:Troponin 58 200 1.6e-38 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000166959
AA Change: E123G

PolyPhen 2 Score 0.983 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000129109
Gene: ENSMUSG00000064179
AA Change: E123G

DomainStartEndE-ValueType
low complexity region 5 57 N/A INTRINSIC
Pfam:Troponin 69 192 1.5e-31 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000178163
AA Change: E122G

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000137198
Gene: ENSMUSG00000064179
AA Change: E122G

DomainStartEndE-ValueType
low complexity region 5 40 N/A INTRINSIC
low complexity region 44 55 N/A INTRINSIC
Pfam:Troponin 68 210 7.3e-40 PFAM
low complexity region 246 259 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000168111
Predicted Effect noncoding transcript
Transcript: ENSMUST00000169571
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes the slow skeletal tropomyosin-binding subunit of the troponin complex and plays an essential role in the regulation of striated muscle contraction. In humans, mutations in this gene are associated with nemaline myopathy type 5. Alternative splicing of this gene results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Apr 2013]
PHENOTYPE: Mice homozygous for a null or hypomorphic allele show small and loss of type I slow skeletal muscle fibers with compensatory hypertrophy of type II fast fibers and reduced contractile force and tolerance of skeletal muscle fibers. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atosb C T 4: 43,033,896 (GRCm39) R460H probably damaging Het
Atp2a1 G T 7: 126,049,434 (GRCm39) P536Q probably benign Het
Bnip5 T A 17: 29,123,585 (GRCm39) D114V probably damaging Het
Cabyr T A 18: 12,884,073 (GRCm39) S187T probably benign Het
Camkk1 A T 11: 72,924,696 (GRCm39) N303I probably benign Het
Cdh13 C T 8: 119,694,926 (GRCm39) P259S probably damaging Het
Csnk1g3 A G 18: 54,063,354 (GRCm39) D255G possibly damaging Het
Dennd5b A C 6: 148,915,749 (GRCm39) probably null Het
Dnajc14 A G 10: 128,650,500 (GRCm39) D528G probably benign Het
Edem1 T C 6: 108,831,318 (GRCm39) F593S probably benign Het
Efcab3 A G 11: 104,899,077 (GRCm39) N4343S probably null Het
Erbb2 G A 11: 98,326,908 (GRCm39) D1106N possibly damaging Het
Ermp1 T C 19: 29,590,321 (GRCm39) M794V possibly damaging Het
Fip1l1 T A 5: 74,707,838 (GRCm39) probably null Het
Gm20730 C T 6: 43,058,476 (GRCm39) C112Y probably damaging Het
Gtf2h1 T A 7: 46,458,089 (GRCm39) C245S probably damaging Het
Hdhd5 T C 6: 120,500,515 (GRCm39) H61R probably benign Het
Ighv1-71 A T 12: 115,706,092 (GRCm39) V31E probably damaging Het
Igsf9b T C 9: 27,240,851 (GRCm39) F688S probably damaging Het
Iqcd T C 5: 120,740,443 (GRCm39) V258A probably damaging Het
Kcnc2 G C 10: 112,107,761 (GRCm39) G51R probably benign Het
Lpo G T 11: 87,708,589 (GRCm39) Y136* probably null Het
Med30 A G 15: 52,593,779 (GRCm39) probably benign Het
Mertk T A 2: 128,618,341 (GRCm39) V524D probably benign Het
Ndufb11b A G 15: 81,864,939 (GRCm39) D60G probably damaging Het
Or4c126 T A 2: 89,824,517 (GRCm39) F260Y probably benign Het
Or4c52 T C 2: 89,845,438 (GRCm39) Y55H probably damaging Het
Or5l13 T C 2: 87,780,320 (GRCm39) I86V probably benign Het
Pde6b T A 5: 108,569,367 (GRCm39) M358K possibly damaging Het
Prep GA G 10: 45,034,410 (GRCm39) probably null Het
Prpf4b G A 13: 35,080,015 (GRCm39) R793Q probably damaging Het
Rela T A 19: 5,697,366 (GRCm39) N524K probably damaging Het
Relch T A 1: 105,654,165 (GRCm39) F845I probably damaging Het
Rnaset2a T C 17: 8,360,480 (GRCm39) D74G probably damaging Het
Semp2l2a G A 8: 13,887,690 (GRCm39) Q134* probably null Het
Serinc2 T A 4: 130,152,064 (GRCm39) I267F probably damaging Het
Sesn3 T C 9: 14,232,549 (GRCm39) F274S possibly damaging Het
Spag1 T C 15: 36,195,553 (GRCm39) Y249H probably damaging Het
Sstr1 A T 12: 58,260,478 (GRCm39) D367V possibly damaging Het
Tasor T G 14: 27,151,215 (GRCm39) Y64D probably benign Het
Tpm1 T A 9: 66,935,451 (GRCm39) probably null Het
Unc93b1 T C 19: 3,994,105 (GRCm39) V412A probably benign Het
Uox G C 3: 146,330,403 (GRCm39) probably null Het
Usp44 T C 10: 93,681,870 (GRCm39) Y107H probably benign Het
Other mutations in Tnnt1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00585:Tnnt1 APN 7 4,510,549 (GRCm39) missense possibly damaging 0.96
IGL01391:Tnnt1 APN 7 4,517,211 (GRCm39) critical splice donor site probably null
IGL01582:Tnnt1 APN 7 4,512,982 (GRCm39) missense probably damaging 1.00
R0098:Tnnt1 UTSW 7 4,512,044 (GRCm39) missense probably damaging 0.99
R0963:Tnnt1 UTSW 7 4,510,594 (GRCm39) missense probably damaging 1.00
R1489:Tnnt1 UTSW 7 4,510,524 (GRCm39) nonsense probably null
R2340:Tnnt1 UTSW 7 4,516,615 (GRCm39) splice site probably benign
R4224:Tnnt1 UTSW 7 4,513,006 (GRCm39) missense probably damaging 1.00
R4624:Tnnt1 UTSW 7 4,515,267 (GRCm39) intron probably benign
R4969:Tnnt1 UTSW 7 4,510,573 (GRCm39) missense probably damaging 1.00
R5245:Tnnt1 UTSW 7 4,513,066 (GRCm39) missense probably damaging 1.00
R5822:Tnnt1 UTSW 7 4,519,345 (GRCm39) nonsense probably null
R6520:Tnnt1 UTSW 7 4,512,060 (GRCm39) nonsense probably null
R6573:Tnnt1 UTSW 7 4,517,333 (GRCm39) splice site probably null
R6838:Tnnt1 UTSW 7 4,510,406 (GRCm39) missense possibly damaging 0.94
R7318:Tnnt1 UTSW 7 4,513,547 (GRCm39) splice site probably null
R7889:Tnnt1 UTSW 7 4,511,582 (GRCm39) missense probably damaging 1.00
R8405:Tnnt1 UTSW 7 4,510,592 (GRCm39) missense probably damaging 0.98
R9217:Tnnt1 UTSW 7 4,513,381 (GRCm39) missense probably benign 0.18
R9621:Tnnt1 UTSW 7 4,511,501 (GRCm39) missense probably benign 0.08
X0010:Tnnt1 UTSW 7 4,512,970 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- TAAGTGAAGTTGGAGCCACG -3'
(R):5'- ACTCCAGTATCCATTTCTACCAGG -3'

Sequencing Primer
(F):5'- AGCAAAGCTCAGCCTTTGTG -3'
(R):5'- TACCATGAGTTCGAGAGACTGTC -3'
Posted On 2018-06-06