Incidental Mutation 'R2225:Tnnt2'
ID 239648
Institutional Source Beutler Lab
Gene Symbol Tnnt2
Ensembl Gene ENSMUSG00000026414
Gene Name troponin T2, cardiac
Synonyms cardiac TnT, cTnT, Tnt
MMRRC Submission 040226-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2225 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 135764092-135779998 bp(+) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) A to G at 135771529 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000140282 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027671] [ENSMUST00000112085] [ENSMUST00000112086] [ENSMUST00000112087] [ENSMUST00000178204] [ENSMUST00000178854] [ENSMUST00000179863] [ENSMUST00000188028] [ENSMUST00000189826] [ENSMUST00000189732] [ENSMUST00000190451] [ENSMUST00000189355]
AlphaFold P50752
Predicted Effect probably benign
Transcript: ENSMUST00000027671
SMART Domains Protein: ENSMUSP00000027671
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
coiled coil region 1 31 N/A INTRINSIC
Pfam:Troponin 96 234 1e-33 PFAM
Pfam:Troponin 226 289 1.2e-9 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000112085
SMART Domains Protein: ENSMUSP00000107715
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
low complexity region 5 17 N/A INTRINSIC
low complexity region 20 54 N/A INTRINSIC
Pfam:Troponin 100 238 2.4e-33 PFAM
Pfam:Troponin 230 293 2.7e-9 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000112086
AA Change: D19G
SMART Domains Protein: ENSMUSP00000107716
Gene: ENSMUSG00000026414
AA Change: D19G

DomainStartEndE-ValueType
low complexity region 3 58 N/A INTRINSIC
Pfam:Troponin 106 244 2.5e-33 PFAM
Pfam:Troponin 236 299 2.8e-9 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000112087
AA Change: D19G
SMART Domains Protein: ENSMUSP00000107717
Gene: ENSMUSG00000026414
AA Change: D19G

DomainStartEndE-ValueType
coiled coil region 1 37 N/A INTRINSIC
Pfam:Troponin 106 250 1.1e-38 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000178204
AA Change: D23G
SMART Domains Protein: ENSMUSP00000137579
Gene: ENSMUSG00000026414
AA Change: D23G

DomainStartEndE-ValueType
coiled coil region 1 38 N/A INTRINSIC
Pfam:Troponin 110 245 3.8e-34 PFAM
Pfam:Troponin 238 300 4.3e-9 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000178854
SMART Domains Protein: ENSMUSP00000136265
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
coiled coil region 1 35 N/A INTRINSIC
Pfam:Troponin 100 244 1.7e-39 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000179863
AA Change: D23G
SMART Domains Protein: ENSMUSP00000137093
Gene: ENSMUSG00000026414
AA Change: D23G

DomainStartEndE-ValueType
coiled coil region 1 41 N/A INTRINSIC
Pfam:Troponin 110 251 3e-39 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000188028
AA Change: D23G
SMART Domains Protein: ENSMUSP00000140941
Gene: ENSMUSG00000026414
AA Change: D23G

DomainStartEndE-ValueType
coiled coil region 1 41 N/A INTRINSIC
Pfam:Troponin 110 251 3e-39 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000189826
AA Change: D23G
SMART Domains Protein: ENSMUSP00000140807
Gene: ENSMUSG00000026414
AA Change: D23G

DomainStartEndE-ValueType
coiled coil region 1 41 N/A INTRINSIC
Pfam:Troponin 110 201 1.7e-20 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000186225
Predicted Effect noncoding transcript
Transcript: ENSMUST00000191055
Predicted Effect probably benign
Transcript: ENSMUST00000189732
SMART Domains Protein: ENSMUSP00000139669
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
coiled coil region 1 35 N/A INTRINSIC
Pfam:Troponin 100 244 1.7e-39 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000190451
SMART Domains Protein: ENSMUSP00000140282
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
coiled coil region 1 31 N/A INTRINSIC
PDB:2Z5H|T 85 114 3e-7 PDB
Predicted Effect probably benign
Transcript: ENSMUST00000189355
SMART Domains Protein: ENSMUSP00000139919
Gene: ENSMUSG00000026414

DomainStartEndE-ValueType
coiled coil region 1 31 N/A INTRINSIC
Pfam:Troponin 96 240 1.6e-39 PFAM
Meta Mutation Damage Score 0.1045 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 94.8%
Validation Efficiency 100% (56/56)
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 the tropomyosin-binding subunit of the troponin complex, which is located on the thin filament of striated muscles and regulates muscle contraction in response to alterations in intracellular calcium ion concentration. Mutations in this gene have been associated with familial hypertrophic cardiomyopathy as well as with dilated cardiomyopathy. Transcripts for this gene undergo alternative splicing that results in many tissue-specific isoforms, however, the full-length nature of some of these variants has not yet been determined. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null allele exhibit embryonic lethality during and prior to organogenesis and abnormal heart development. Mice homozygous for an allele that lacks the lysine residue at position 210 exhibit dilated cardiomyopathy. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abtb1 A C 6: 88,813,349 (GRCm39) L439R probably damaging Het
Adcy10 A G 1: 165,345,829 (GRCm39) T293A probably damaging Het
Aen C A 7: 78,552,199 (GRCm39) T15K probably benign Het
Aggf1 A G 13: 95,507,354 (GRCm39) S144P probably damaging Het
Akap9 A T 5: 4,127,271 (GRCm39) R3706S probably damaging Het
Btd A G 14: 31,389,017 (GRCm39) D246G probably benign Het
Ccdc33 A G 9: 57,989,305 (GRCm39) S123P probably damaging Het
Cep152 T C 2: 125,423,704 (GRCm39) E899G probably damaging Het
Cpsf6 A T 10: 117,198,941 (GRCm39) probably benign Het
Crybg3 A G 16: 59,375,041 (GRCm39) I2071T probably damaging Het
Cwc22 T A 2: 77,738,495 (GRCm39) probably benign Het
Ddah2 T A 17: 35,279,187 (GRCm39) I16N probably damaging Het
Dld T G 12: 31,391,448 (GRCm39) M123L probably benign Het
Eif5b A T 1: 38,058,304 (GRCm39) K202I unknown Het
Gm6430 T C 1: 96,953,441 (GRCm39) noncoding transcript Het
Hdac9 C T 12: 34,457,801 (GRCm39) V251I probably benign Het
Hoxa10 T C 6: 52,209,616 (GRCm39) E52G probably damaging Het
Hspa4 C T 11: 53,177,760 (GRCm39) V117M probably benign Het
Htra4 T C 8: 25,515,736 (GRCm39) D434G probably benign Het
Itgb3 A G 11: 104,556,336 (GRCm39) M726V probably benign Het
Itih1 A G 14: 30,651,534 (GRCm39) V886A possibly damaging Het
Kdm1b TCATTGTCC TCATTGTCCATTGTCC 13: 47,217,564 (GRCm39) probably null Het
Kpna1 G A 16: 35,851,591 (GRCm39) A392T probably damaging Het
Limk1 G T 5: 134,690,410 (GRCm39) probably null Het
Lonrf1 T C 8: 36,703,252 (GRCm39) D308G probably damaging Het
Muc4 A T 16: 32,576,265 (GRCm39) probably benign Het
Muc4 G A 16: 32,587,316 (GRCm39) C2719Y possibly damaging Het
Mvb12b G A 2: 33,730,211 (GRCm39) T60I possibly damaging Het
Myh2 C T 11: 67,084,555 (GRCm39) T1698M probably benign Het
Naalad2 A T 9: 18,287,829 (GRCm39) V267E possibly damaging Het
Nkpd1 A T 7: 19,253,745 (GRCm39) Y37F probably benign Het
Or10d5 T C 9: 39,861,833 (GRCm39) K78R possibly damaging Het
Or2l5 T C 16: 19,333,996 (GRCm39) H130R probably benign Het
Or8g33 T C 9: 39,337,915 (GRCm39) I151V probably benign Het
Plekhg2 G A 7: 28,059,760 (GRCm39) P1190S probably benign Het
Reck A G 4: 43,922,837 (GRCm39) T371A probably benign Het
Rnf185 T C 11: 3,382,445 (GRCm39) D44G probably damaging Het
Rpgrip1l T C 8: 91,948,095 (GRCm39) E1196G probably benign Het
Rundc1 A G 11: 101,322,170 (GRCm39) probably benign Het
Sf3b3 T C 8: 111,541,205 (GRCm39) Y970C probably damaging Het
Sfxn1 A G 13: 54,239,536 (GRCm39) T20A possibly damaging Het
Shprh T C 10: 11,037,979 (GRCm39) probably benign Het
Spata31d1a T A 13: 59,851,529 (GRCm39) I200L probably benign Het
Srsf6 G A 2: 162,773,619 (GRCm39) S10N probably damaging Het
Tbxa2r A G 10: 81,168,983 (GRCm39) Y224C probably benign Het
Tlr5 A G 1: 182,799,941 (GRCm39) probably benign Het
Tmem270 A G 5: 134,935,492 (GRCm39) L21P probably damaging Het
Tmtc2 T C 10: 105,206,218 (GRCm39) E359G probably benign Het
Tnn A T 1: 159,975,035 (GRCm39) C131S probably damaging Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Tph1 A G 7: 46,314,598 (GRCm39) probably null Het
Wiz C T 17: 32,575,899 (GRCm39) V836M probably damaging Het
Zfp451 T A 1: 33,809,988 (GRCm39) probably benign Het
Zfp738 A G 13: 67,818,431 (GRCm39) F520S probably damaging Het
Other mutations in Tnnt2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00858:Tnnt2 APN 1 135,779,440 (GRCm39) missense probably damaging 1.00
IGL00885:Tnnt2 APN 1 135,774,502 (GRCm39) splice site probably benign
IGL02223:Tnnt2 APN 1 135,769,753 (GRCm39) intron probably benign
IGL03094:Tnnt2 APN 1 135,777,200 (GRCm39) critical splice donor site probably null
R0827:Tnnt2 UTSW 1 135,771,534 (GRCm39) intron probably benign
R1469:Tnnt2 UTSW 1 135,779,793 (GRCm39) missense possibly damaging 0.83
R1469:Tnnt2 UTSW 1 135,779,793 (GRCm39) missense possibly damaging 0.83
R1478:Tnnt2 UTSW 1 135,775,764 (GRCm39) missense probably benign 0.40
R1728:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1729:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1730:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1739:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1762:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1783:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1784:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1785:Tnnt2 UTSW 1 135,773,244 (GRCm39) intron probably benign
R1891:Tnnt2 UTSW 1 135,768,597 (GRCm39) critical splice acceptor site probably null
R2049:Tnnt2 UTSW 1 135,774,499 (GRCm39) splice site probably benign
R2104:Tnnt2 UTSW 1 135,771,547 (GRCm39) intron probably benign
R2130:Tnnt2 UTSW 1 135,774,499 (GRCm39) splice site probably benign
R2141:Tnnt2 UTSW 1 135,774,499 (GRCm39) splice site probably benign
R2227:Tnnt2 UTSW 1 135,771,529 (GRCm39) intron probably benign
R2504:Tnnt2 UTSW 1 135,779,803 (GRCm39) missense probably damaging 0.96
R4883:Tnnt2 UTSW 1 135,775,496 (GRCm39) nonsense probably null
R5963:Tnnt2 UTSW 1 135,771,600 (GRCm39) intron probably benign
R6082:Tnnt2 UTSW 1 135,777,172 (GRCm39) missense probably benign 0.30
R6261:Tnnt2 UTSW 1 135,778,292 (GRCm39) splice site probably null
R7208:Tnnt2 UTSW 1 135,778,114 (GRCm39) splice site probably null
R7241:Tnnt2 UTSW 1 135,779,444 (GRCm39) missense probably damaging 1.00
R9038:Tnnt2 UTSW 1 135,774,484 (GRCm39) missense possibly damaging 0.78
R9140:Tnnt2 UTSW 1 135,768,635 (GRCm39) missense
R9515:Tnnt2 UTSW 1 135,768,640 (GRCm39) missense unknown
R9530:Tnnt2 UTSW 1 135,779,793 (GRCm39) missense possibly damaging 0.83
Predicted Primers PCR Primer
(F):5'- GAGTGAGGCTGCCATATTGC -3'
(R):5'- TCACAGGAATCCTTCTGTGAC -3'

Sequencing Primer
(F):5'- CTGCCATATTGCTTGAATGTTGAC -3'
(R):5'- CACAGGAATCCTTCTGTGACCATATG -3'
Posted On 2014-10-15