Incidental Mutation 'R5850:Tpm2'
ID 454609
Institutional Source Beutler Lab
Gene Symbol Tpm2
Ensembl Gene ENSMUSG00000028464
Gene Name tropomyosin 2, beta
Synonyms Tpm-2, Trop-2
MMRRC Submission 043226-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.517) question?
Stock # R5850 (G1)
Quality Score 197
Status Not validated
Chromosome 4
Chromosomal Location 43514711-43523765 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 43523296 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 20 (D20G)
Ref Sequence ENSEMBL: ENSMUSP00000030184 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030184] [ENSMUST00000107913] [ENSMUST00000107914] [ENSMUST00000150592]
AlphaFold P58774
Predicted Effect probably damaging
Transcript: ENSMUST00000030184
AA Change: D20G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000030184
Gene: ENSMUSG00000028464
AA Change: D20G

DomainStartEndE-ValueType
Pfam:Tropomyosin_1 7 153 3.3e-39 PFAM
Pfam:Tropomyosin 48 284 1.5e-97 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000107913
AA Change: D20G

PolyPhen 2 Score 0.933 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000103546
Gene: ENSMUSG00000028464
AA Change: D20G

DomainStartEndE-ValueType
Pfam:Tropomyosin_1 7 153 6.5e-36 PFAM
Pfam:Tropomyosin 48 284 4.8e-98 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000107914
AA Change: D20G

PolyPhen 2 Score 0.933 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000103547
Gene: ENSMUSG00000028464
AA Change: D20G

DomainStartEndE-ValueType
Pfam:Tropomyosin_1 7 153 7.2e-39 PFAM
Pfam:Tropomyosin 48 284 6.3e-94 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000133355
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150262
Predicted Effect possibly damaging
Transcript: ENSMUST00000150592
AA Change: D20G

PolyPhen 2 Score 0.904 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000119908
Gene: ENSMUSG00000028464
AA Change: D20G

DomainStartEndE-ValueType
Pfam:Tropomyosin_1 7 106 2.2e-26 PFAM
Pfam:Tropomyosin 48 106 1.1e-18 PFAM
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.8%
  • 20x: 93.2%
Validation Efficiency
MGI Phenotype FUNCTION: This gene belongs to the tropomyosin family which encodes proteins that bind to actin filaments and stabilize them by regulating access to actin modifying proteins. The encoded protein is a high molecular weight tropomyosin expressed in slow skeletal muscle. In humans, mutations in this gene are associated with nemaline myopathy, cap disease and distal arthrogryposis syndromes. Alternative splicing of this gene results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Apr 2013]
Allele List at MGI
Other mutations in this stock
Total: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930553M12Rik T C 4: 88,786,596 (GRCm39) I7M unknown Het
Abca8b C A 11: 109,868,639 (GRCm39) G175V probably damaging Het
Abhd14a A C 9: 106,317,548 (GRCm39) L225R probably damaging Het
Apbb1 A G 7: 105,216,790 (GRCm39) S39P probably damaging Het
Apc T C 18: 34,451,116 (GRCm39) S2637P possibly damaging Het
Apold1 T C 6: 134,961,058 (GRCm39) F171L probably damaging Het
Ascc3 T C 10: 50,587,049 (GRCm39) M967T probably damaging Het
Atf7ip T C 6: 136,543,785 (GRCm39) probably null Het
Bcl2l15 T A 3: 103,743,432 (GRCm39) V111D possibly damaging Het
Bsn A T 9: 107,992,149 (GRCm39) M1201K probably damaging Het
Ccdc141 T A 2: 76,859,747 (GRCm39) N965Y probably damaging Het
Cnn3 T C 3: 121,245,577 (GRCm39) Y98H probably damaging Het
Cnot1 G A 8: 96,460,775 (GRCm39) R117* probably null Het
Dlgap1 G A 17: 71,094,087 (GRCm39) V803M probably damaging Het
Drd3 A C 16: 43,638,695 (GRCm39) M299L probably benign Het
Ergic2 C A 6: 148,084,605 (GRCm39) M34I possibly damaging Het
Ext2 A T 2: 93,644,004 (GRCm39) D92E possibly damaging Het
Fmnl1 A G 11: 103,086,111 (GRCm39) probably benign Het
Ganab C T 19: 8,889,071 (GRCm39) R591W probably damaging Het
Kdsr A T 1: 106,683,172 (GRCm39) probably null Het
Macf1 T C 4: 123,401,099 (GRCm39) E813G probably damaging Het
Nlrc5 A G 8: 95,247,675 (GRCm39) T1621A probably benign Het
Nmnat1 G A 4: 149,554,124 (GRCm39) Q139* probably null Het
Os9 TTCCTCCTCCTCCTCCTCCTC TTCCTCCTCCTCCTCCTC 10: 126,934,348 (GRCm39) probably benign Het
Oxa1l T G 14: 54,605,121 (GRCm39) V11G possibly damaging Het
Padi1 A G 4: 140,542,141 (GRCm39) Y594H probably benign Het
Polr1a T A 6: 71,903,667 (GRCm39) F327I probably benign Het
Prf1 G T 10: 61,135,972 (GRCm39) A83S probably benign Het
Ptgs2 A G 1: 149,981,127 (GRCm39) E470G probably benign Het
Rictor G A 15: 6,823,487 (GRCm39) E1555K probably benign Het
Skint8 C A 4: 111,807,390 (GRCm39) L359M probably damaging Het
Slc19a2 A G 1: 164,091,025 (GRCm39) I278V probably benign Het
Smco1 A T 16: 32,092,674 (GRCm39) N115I probably damaging Het
Smyd3 G A 1: 178,871,420 (GRCm39) L320F probably damaging Het
Svil T A 18: 5,098,900 (GRCm39) probably null Het
Syne2 A G 12: 76,144,749 (GRCm39) D1566G probably damaging Het
Ubap1l A G 9: 65,281,045 (GRCm39) Y241C probably damaging Het
Usp15 A G 10: 122,960,417 (GRCm39) probably null Het
Wdr45b A G 11: 121,221,923 (GRCm39) probably benign Het
Zc3h14 A G 12: 98,745,414 (GRCm39) I468V probably damaging Het
Zfp703 C T 8: 27,469,233 (GRCm39) P299L probably damaging Het
Other mutations in Tpm2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00773:Tpm2 APN 4 43,518,251 (GRCm39) missense probably damaging 1.00
IGL01447:Tpm2 APN 4 43,518,251 (GRCm39) nonsense probably null
IGL03145:Tpm2 APN 4 43,519,447 (GRCm39) missense probably damaging 0.97
PIT4791001:Tpm2 UTSW 4 43,519,263 (GRCm39) missense probably benign 0.30
R0970:Tpm2 UTSW 4 43,515,968 (GRCm39) missense probably benign 0.02
R2427:Tpm2 UTSW 4 43,523,306 (GRCm39) missense probably damaging 1.00
R4835:Tpm2 UTSW 4 43,519,220 (GRCm39) splice site probably null
R5249:Tpm2 UTSW 4 43,514,828 (GRCm39) missense probably benign
R5519:Tpm2 UTSW 4 43,522,751 (GRCm39) missense possibly damaging 0.87
R5568:Tpm2 UTSW 4 43,522,692 (GRCm39) nonsense probably null
R5746:Tpm2 UTSW 4 43,519,731 (GRCm39) missense possibly damaging 0.90
R5810:Tpm2 UTSW 4 43,518,968 (GRCm39) unclassified probably benign
R6000:Tpm2 UTSW 4 43,518,301 (GRCm39) critical splice acceptor site probably null
R6820:Tpm2 UTSW 4 43,518,443 (GRCm39) missense probably damaging 1.00
R7909:Tpm2 UTSW 4 43,515,939 (GRCm39) missense probably benign 0.06
R9473:Tpm2 UTSW 4 43,514,813 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- GCTTTGTAATGACTGGAGTGGTAAC -3'
(R):5'- GACATCACAGTCCCTCTTGGTC -3'

Sequencing Primer
(F):5'- AGTGGTAACTGGGCACTCTC -3'
(R):5'- AGTCCCTCTTGGTCCTCCTGAC -3'
Posted On 2017-02-10