Incidental Mutation 'R0963:Tnnt1'
ID 81368
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
MMRRC Submission 039092-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.304) question?
Stock # R0963 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 4507568-4518974 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 4510594 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 209 (L209P)
Ref Sequence ENSEMBL: ENSMUSP00000137198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071798] [ENSMUST00000108587] [ENSMUST00000163538] [ENSMUST00000163710] [ENSMUST00000163722] [ENSMUST00000166161] [ENSMUST00000178163] [ENSMUST00000166268] [ENSMUST00000166959]
AlphaFold O88346
Predicted Effect probably damaging
Transcript: ENSMUST00000071798
AA Change: L209P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000071704
Gene: ENSMUSG00000064179
AA Change: L209P

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: L210P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000104228
Gene: ENSMUSG00000064179
AA Change: L210P

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 benign
Transcript: ENSMUST00000163538
SMART Domains Protein: ENSMUSP00000127964
Gene: ENSMUSG00000064179

DomainStartEndE-ValueType
low complexity region 5 56 N/A INTRINSIC
Pfam:Troponin 68 160 4.4e-26 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000163710
AA Change: L198P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000129626
Gene: ENSMUSG00000064179
AA Change: L198P

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: L197P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000125795
Gene: ENSMUSG00000064179
AA Change: L197P

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: ENSMUST00000178163
AA Change: L209P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000137198
Gene: ENSMUSG00000064179
AA Change: L209P

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 probably damaging
Transcript: ENSMUST00000166268
AA Change: L199P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000128476
Gene: ENSMUSG00000064179
AA Change: L199P

DomainStartEndE-ValueType
coiled coil region 2 28 N/A INTRINSIC
Pfam:Troponin 58 200 1.6e-38 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000169571
Predicted Effect noncoding transcript
Transcript: ENSMUST00000168111
Predicted Effect probably benign
Transcript: ENSMUST00000166959
SMART Domains Protein: ENSMUSP00000129109
Gene: ENSMUSG00000064179

DomainStartEndE-ValueType
low complexity region 5 57 N/A INTRINSIC
Pfam:Troponin 69 192 1.5e-31 PFAM
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.1%
  • 20x: 94.3%
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adarb2 A G 13: 8,722,451 (GRCm39) D369G probably damaging Het
Adcy7 T C 8: 89,038,893 (GRCm39) V303A probably damaging Het
Afap1l1 A T 18: 61,870,001 (GRCm39) Y610N probably damaging Het
Agr3 T A 12: 35,984,433 (GRCm39) H53Q probably benign Het
Akr1d1 A G 6: 37,507,209 (GRCm39) I10M probably damaging Het
Atp4b G T 8: 13,440,014 (GRCm39) H111N probably benign Het
Bbs7 G T 3: 36,667,412 (GRCm39) A8E probably benign Het
Bsn C T 9: 107,989,006 (GRCm39) V2249M possibly damaging Het
Cpt1a T C 19: 3,431,634 (GRCm39) S685P probably damaging Het
Dhx57 A T 17: 80,582,956 (GRCm39) H163Q probably benign Het
Duox2 A C 2: 122,117,653 (GRCm39) C894G probably benign Het
Ecm1 T C 3: 95,643,900 (GRCm39) T209A possibly damaging Het
Glo1 T C 17: 30,819,085 (GRCm39) N79S probably benign Het
Htra1 T A 7: 130,584,009 (GRCm39) M388K possibly damaging Het
Iqca1 C A 1: 90,070,453 (GRCm39) G133V probably null Het
Jag2 C T 12: 112,878,934 (GRCm39) E496K probably damaging Het
Kcnh2 C T 5: 24,527,670 (GRCm39) R894H probably damaging Het
Khdc1c A G 1: 21,439,833 (GRCm39) N128S probably benign Het
Lamc1 T C 1: 153,119,132 (GRCm39) N829S probably benign Het
Leprotl1 T C 8: 34,606,189 (GRCm39) Y33C probably damaging Het
Lypd11 A T 7: 24,423,047 (GRCm39) D90E probably benign Het
Map3k3 T A 11: 106,014,618 (GRCm39) S130T probably benign Het
Mip C T 10: 128,061,854 (GRCm39) A35V probably benign Het
Ms4a19 T C 19: 11,118,921 (GRCm39) T63A possibly damaging Het
Myh15 A G 16: 48,952,512 (GRCm39) R861G probably damaging Het
Myom1 A C 17: 71,384,762 (GRCm39) I718L possibly damaging Het
Naip6 C T 13: 100,452,983 (GRCm39) R26H probably benign Het
Or52e4 G A 7: 104,706,179 (GRCm39) C242Y probably damaging Het
Pde6b A G 5: 108,578,534 (GRCm39) E824G probably benign Het
Pramel24 T A 4: 143,453,678 (GRCm39) I262N possibly damaging Het
Rbm19 T G 5: 120,268,799 (GRCm39) S476A possibly damaging Het
Rpl39l T A 16: 9,992,162 (GRCm39) probably null Het
Sec24b A G 3: 129,834,554 (GRCm39) S79P probably benign Het
Slc15a2 G A 16: 36,594,935 (GRCm39) A146V probably damaging Het
Slmap T C 14: 26,189,675 (GRCm39) Y161C probably damaging Het
Smc4 T A 3: 68,933,259 (GRCm39) C652S probably damaging Het
Stab1 A G 14: 30,869,231 (GRCm39) I1499T probably damaging Het
Trim52 T G 14: 106,344,973 (GRCm39) S210R probably benign Het
Tsc22d1 T A 14: 76,656,039 (GRCm39) N82K possibly damaging Het
Wdr75 T C 1: 45,856,470 (GRCm39) Y498H probably benign Het
Zfp955a C T 17: 33,462,726 (GRCm39) S56N 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
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
R6556:Tnnt1 UTSW 7 4,512,576 (GRCm39) missense probably damaging 1.00
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'- AGGCTAGGTAGATGTCCAACCAGG -3'
(R):5'- ACGCACGCACGCACTATGTAAG -3'

Sequencing Primer
(F):5'- GATGTCCAACCAGGGCCAC -3'
(R):5'- CCGGAGACTTCCATTTAGGAAC -3'
Posted On 2013-11-07