Incidental Mutation 'R4696:Tert'
ID 355725
Institutional Source Beutler Lab
Gene Symbol Tert
Ensembl Gene ENSMUSG00000021611
Gene Name telomerase reverse transcriptase
Synonyms TR
MMRRC Submission 041946-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.537) question?
Stock # R4696 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 73775030-73797962 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 73775939 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 230 (T230I)
Ref Sequence ENSEMBL: ENSMUSP00000022104 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022104] [ENSMUST00000221522] [ENSMUST00000223303]
AlphaFold O70372
Predicted Effect probably benign
Transcript: ENSMUST00000022104
AA Change: T230I

PolyPhen 2 Score 0.254 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000022104
Gene: ENSMUSG00000021611
AA Change: T230I

DomainStartEndE-ValueType
Blast:Telomerase_RBD 329 375 2e-6 BLAST
Telomerase_RBD 449 584 5.02e-75 SMART
Blast:Telomerase_RBD 651 688 1e-5 BLAST
Pfam:RVT_1 787 918 6e-13 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000221522
Predicted Effect noncoding transcript
Transcript: ENSMUST00000223196
Predicted Effect probably benign
Transcript: ENSMUST00000223303
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.9%
Validation Efficiency 99% (74/75)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Telomerase is a ribonucleoprotein polymerase that maintains telomere ends by addition of the telomere repeat TTAGGG. The enzyme consists of a protein component with reverse transcriptase activity, encoded by this gene, and an RNA component which serves as a template for the telomere repeat. Telomerase expression plays a role in cellular senescence, as it is normally repressed in postnatal somatic cells resulting in progressive shortening of telomeres. Deregulation of telomerase expression in somatic cells may be involved in oncogenesis. Studies in mouse suggest that telomerase also participates in chromosomal repair, since de novo synthesis of telomere repeats may occur at double-stranded breaks. Alternatively spliced variants encoding different isoforms of telomerase reverse transcriptase have been identified; the full-length sequence of some variants has not been determined. Alternative splicing at this locus is thought to be one mechanism of regulation of telomerase activity. [provided by RefSeq, Jul 2008]
PHENOTYPE: In spite of impaired telomerase function, homozygous mutant mice are overtly normal in early generations. Impaired fertility has been reported in later generations for homozygotes of at least one knockout allele. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc3 T C 11: 94,241,817 (GRCm39) S1405G probably benign Het
Acaca T C 11: 84,171,261 (GRCm39) V1165A possibly damaging Het
Acin1 C A 14: 54,880,474 (GRCm39) probably benign Het
Akr1b8 G A 6: 34,340,312 (GRCm39) V159I probably benign Het
Alms1 T C 6: 85,597,504 (GRCm39) Y777H probably damaging Het
Cblc C A 7: 19,530,407 (GRCm39) G101C probably damaging Het
Cdc42ep5 G A 7: 4,154,614 (GRCm39) P58L possibly damaging Het
Cic A G 7: 24,987,908 (GRCm39) N1532S probably benign Het
Cipc T A 12: 86,999,714 (GRCm39) probably benign Het
Clca4b T C 3: 144,617,146 (GRCm39) I835V probably benign Het
Cntrob C T 11: 69,211,714 (GRCm39) G170D probably damaging Het
Col14a1 A G 15: 55,235,998 (GRCm39) Q304R unknown Het
Csmd3 T C 15: 47,777,364 (GRCm39) T1181A probably benign Het
Dchs1 A G 7: 105,413,834 (GRCm39) F994L probably damaging Het
Ddx42 C A 11: 106,138,529 (GRCm39) A776D probably benign Het
Disp2 G T 2: 118,622,165 (GRCm39) E966* probably null Het
Dmpk A T 7: 18,822,139 (GRCm39) N366Y probably damaging Het
Dmrt1 A G 19: 25,580,674 (GRCm39) Y362C possibly damaging Het
Dock10 C T 1: 80,493,330 (GRCm39) G1880D possibly damaging Het
Dzip1l A G 9: 99,545,664 (GRCm39) R638G possibly damaging Het
Dzip3 T A 16: 48,746,332 (GRCm39) probably benign Het
Ear-ps2 G A 14: 44,284,517 (GRCm39) noncoding transcript Het
Eno4 T C 19: 58,934,068 (GRCm39) S90P probably damaging Het
Epn2 C G 11: 61,426,129 (GRCm39) A283P probably damaging Het
Eya3 T A 4: 132,397,543 (GRCm39) Y67* probably null Het
Fat2 T C 11: 55,175,841 (GRCm39) N1624S probably benign Het
Fez1 T A 9: 36,781,766 (GRCm39) probably null Het
Fgfr1 T C 8: 26,053,504 (GRCm39) S260P probably damaging Het
Glb1 A G 9: 114,293,220 (GRCm39) S532G probably benign Het
Gm15455 A T 1: 33,876,874 (GRCm39) noncoding transcript Het
Grid2ip A G 5: 143,377,131 (GRCm39) probably benign Het
Guca2b C A 4: 119,513,996 (GRCm39) G129V probably damaging Het
Hes3 T C 4: 152,372,124 (GRCm39) E65G probably damaging Het
Itgbl1 T C 14: 124,204,120 (GRCm39) C404R probably damaging Het
Kansl1 C T 11: 104,247,593 (GRCm39) V586I possibly damaging Het
Krt18 A G 15: 101,940,293 (GRCm39) D390G probably benign Het
Laptm5 T C 4: 130,660,982 (GRCm39) probably benign Het
Lgals3bp C T 11: 118,288,977 (GRCm39) E116K probably benign Het
Lrrc39 C T 3: 116,363,769 (GRCm39) S114F probably damaging Het
Mfap3 T C 11: 57,419,117 (GRCm39) probably null Het
Nphp3 A G 9: 103,899,931 (GRCm39) H481R probably benign Het
Ntm T C 9: 29,090,501 (GRCm39) T73A possibly damaging Het
Or5m13b T A 2: 85,749,215 (GRCm39) probably null Het
Or8g4 T A 9: 39,662,024 (GRCm39) M114K probably damaging Het
Pbk G A 14: 66,049,386 (GRCm39) C21Y probably benign Het
Pglyrp1 A G 7: 18,618,871 (GRCm39) E74G probably benign Het
R3hdm1 G T 1: 128,164,503 (GRCm39) probably benign Het
Rap1gds1 T C 3: 138,633,375 (GRCm39) T599A probably damaging Het
Rigi A G 4: 40,203,798 (GRCm39) probably benign Het
Rims1 A T 1: 22,358,836 (GRCm39) M1273K probably damaging Het
Sbf1 G A 15: 89,187,315 (GRCm39) R721* probably null Het
Slc17a1 T C 13: 24,064,700 (GRCm39) I388T probably damaging Het
Sprn A C 7: 139,733,469 (GRCm39) probably benign Het
Tango6 T C 8: 107,426,863 (GRCm39) V459A possibly damaging Het
Thada T C 17: 84,733,614 (GRCm39) D1011G possibly damaging Het
Tln2 C T 9: 67,302,743 (GRCm39) R76Q probably damaging Het
Trip11 A T 12: 101,851,549 (GRCm39) N838K possibly damaging Het
Ttn A G 2: 76,597,997 (GRCm39) W19639R probably damaging Het
Ubr4 T A 4: 139,135,983 (GRCm39) S924T probably benign Het
Upb1 A G 10: 75,250,861 (GRCm39) E110G probably benign Het
Vegfa C T 17: 46,339,272 (GRCm39) probably null Het
Vmn1r231 T C 17: 21,110,901 (GRCm39) K5E possibly damaging Het
Vmn2r16 A T 5: 109,487,168 (GRCm39) I130F probably benign Het
Wscd2 T A 5: 113,689,240 (GRCm39) V82E probably benign Het
Zfp462 A G 4: 55,008,612 (GRCm39) T193A probably benign Het
Zfp467 A G 6: 48,416,291 (GRCm39) probably benign Het
Zfp619 T C 7: 39,186,412 (GRCm39) L814P probably benign Het
Other mutations in Tert
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01286:Tert APN 13 73,776,416 (GRCm39) missense possibly damaging 0.76
IGL01585:Tert APN 13 73,782,463 (GRCm39) missense probably benign 0.15
IGL03167:Tert APN 13 73,788,119 (GRCm39) missense probably damaging 1.00
galileo UTSW 13 73,775,725 (GRCm39) missense probably damaging 1.00
FR4304:Tert UTSW 13 73,796,421 (GRCm39) utr 3 prime probably benign
FR4342:Tert UTSW 13 73,796,419 (GRCm39) utr 3 prime probably benign
FR4589:Tert UTSW 13 73,796,423 (GRCm39) utr 3 prime probably benign
PIT4377001:Tert UTSW 13 73,776,380 (GRCm39) missense possibly damaging 0.54
R0372:Tert UTSW 13 73,797,110 (GRCm39) missense probably damaging 1.00
R0433:Tert UTSW 13 73,775,200 (GRCm39) missense probably damaging 1.00
R0829:Tert UTSW 13 73,792,504 (GRCm39) missense probably damaging 1.00
R1023:Tert UTSW 13 73,790,178 (GRCm39) missense probably benign 0.41
R1236:Tert UTSW 13 73,784,498 (GRCm39) missense probably damaging 0.99
R1331:Tert UTSW 13 73,796,473 (GRCm39) missense probably damaging 1.00
R1426:Tert UTSW 13 73,790,472 (GRCm39) splice site probably benign
R1467:Tert UTSW 13 73,776,328 (GRCm39) missense probably benign 0.10
R1467:Tert UTSW 13 73,776,328 (GRCm39) missense probably benign 0.10
R1521:Tert UTSW 13 73,790,175 (GRCm39) missense probably damaging 1.00
R2484:Tert UTSW 13 73,796,104 (GRCm39) missense probably benign
R3162:Tert UTSW 13 73,775,528 (GRCm39) missense possibly damaging 0.45
R3162:Tert UTSW 13 73,775,528 (GRCm39) missense possibly damaging 0.45
R4428:Tert UTSW 13 73,775,594 (GRCm39) missense probably damaging 1.00
R4430:Tert UTSW 13 73,775,594 (GRCm39) missense probably damaging 1.00
R4431:Tert UTSW 13 73,775,594 (GRCm39) missense probably damaging 1.00
R4630:Tert UTSW 13 73,797,110 (GRCm39) missense probably damaging 1.00
R4751:Tert UTSW 13 73,776,182 (GRCm39) missense possibly damaging 0.89
R4926:Tert UTSW 13 73,796,508 (GRCm39) missense possibly damaging 0.62
R5011:Tert UTSW 13 73,794,428 (GRCm39) critical splice donor site probably null
R5013:Tert UTSW 13 73,794,428 (GRCm39) critical splice donor site probably null
R5061:Tert UTSW 13 73,782,397 (GRCm39) missense probably damaging 1.00
R5268:Tert UTSW 13 73,775,473 (GRCm39) missense probably damaging 1.00
R5323:Tert UTSW 13 73,796,490 (GRCm39) missense probably benign 0.07
R5396:Tert UTSW 13 73,787,362 (GRCm39) missense probably damaging 0.97
R5445:Tert UTSW 13 73,792,403 (GRCm39) missense probably benign 0.00
R5680:Tert UTSW 13 73,790,470 (GRCm39) splice site probably null
R5688:Tert UTSW 13 73,787,275 (GRCm39) missense probably damaging 1.00
R6092:Tert UTSW 13 73,776,700 (GRCm39) missense probably benign 0.34
R6973:Tert UTSW 13 73,776,107 (GRCm39) missense probably benign 0.02
R7069:Tert UTSW 13 73,776,529 (GRCm39) missense probably damaging 0.99
R7317:Tert UTSW 13 73,790,495 (GRCm39) missense probably damaging 1.00
R7747:Tert UTSW 13 73,775,725 (GRCm39) missense probably damaging 1.00
R7787:Tert UTSW 13 73,797,051 (GRCm39) missense probably damaging 0.99
R7846:Tert UTSW 13 73,776,314 (GRCm39) missense probably damaging 1.00
R7994:Tert UTSW 13 73,797,074 (GRCm39) missense probably benign 0.20
R8042:Tert UTSW 13 73,775,264 (GRCm39) missense probably damaging 1.00
R8044:Tert UTSW 13 73,783,568 (GRCm39) missense probably damaging 1.00
R8867:Tert UTSW 13 73,776,566 (GRCm39) missense probably benign
R9181:Tert UTSW 13 73,785,294 (GRCm39) intron probably benign
R9412:Tert UTSW 13 73,797,046 (GRCm39) missense probably benign 0.03
R9745:Tert UTSW 13 73,784,609 (GRCm39) missense probably damaging 0.96
R9790:Tert UTSW 13 73,775,648 (GRCm39) missense probably benign 0.21
R9791:Tert UTSW 13 73,775,648 (GRCm39) missense probably benign 0.21
R9792:Tert UTSW 13 73,792,442 (GRCm39) missense probably benign 0.05
Predicted Primers PCR Primer
(F):5'- CCTGTACCAAATTTGTGCCAC -3'
(R):5'- TGTTTACAGCACACCGACCC -3'

Sequencing Primer
(F):5'- AATTTGTGCCACCACGGATATCTG -3'
(R):5'- GGTCAGACACCTTTCCTTTAGAAGAC -3'
Posted On 2015-10-21