Incidental Mutation 'R1236:Tert'
ID 152441
Institutional Source Beutler Lab
Gene Symbol Tert
Ensembl Gene ENSMUSG00000021611
Gene Name telomerase reverse transcriptase
Synonyms TR
Accession Numbers
Essential gene? Possibly essential (E-score: 0.566) question?
Stock # R1236 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 73775030-73797962 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 73784498 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 648 (L648P)
Ref Sequence ENSEMBL: ENSMUSP00000022104 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022104] [ENSMUST00000221522] [ENSMUST00000223303]
AlphaFold O70372
Predicted Effect probably damaging
Transcript: ENSMUST00000022104
AA Change: L648P

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000022104
Gene: ENSMUSG00000021611
AA Change: L648P

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 probably benign
Transcript: ENSMUST00000222251
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222912
Predicted Effect probably benign
Transcript: ENSMUST00000223303
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.3%
  • 20x: 92.8%
Validation Efficiency
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: 29 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700001O22Rik T C 2: 30,685,756 (GRCm39) Y360C probably damaging Het
Afap1l2 T A 19: 56,904,904 (GRCm39) H566L possibly damaging Het
Aqr G T 2: 113,947,136 (GRCm39) F1015L probably damaging Het
Cep112 T A 11: 108,750,200 (GRCm39) L901H probably damaging Het
Col26a1 A G 5: 136,783,780 (GRCm39) V229A probably benign Het
Cyp4a14 T C 4: 115,349,367 (GRCm39) N231S probably benign Het
Dmac2l T C 12: 69,788,592 (GRCm39) probably null Het
G530012D18Rik CAGAGAGA CAGAGAGAGA 1: 85,504,945 (GRCm39) probably null Het
Gm37240 T A 3: 84,435,003 (GRCm39) N13I probably benign Het
Kbtbd7 G T 14: 79,665,272 (GRCm39) C368F probably benign Het
Kyat3 A G 3: 142,444,020 (GRCm39) D418G probably benign Het
Lpcat2 A G 8: 93,613,197 (GRCm39) M246V probably damaging Het
Nbas T A 12: 13,319,242 (GRCm39) W31R probably damaging Het
Nckap1 C T 2: 80,348,286 (GRCm39) S889N probably benign Het
Npepl1 T A 2: 173,956,273 (GRCm39) probably null Het
Or6c212 A G 10: 129,558,675 (GRCm39) V246A probably damaging Het
Or8b1 T C 9: 38,399,525 (GRCm39) S67P probably damaging Het
P4ha3 T C 7: 99,943,056 (GRCm39) L147P probably damaging Het
Pkp2 C A 16: 16,043,766 (GRCm39) H173Q probably benign Het
Prlr C A 15: 10,325,367 (GRCm39) T180K probably benign Het
Psph A G 5: 129,848,540 (GRCm39) M47T probably damaging Het
Rufy2 A G 10: 62,830,549 (GRCm39) N217S probably benign Het
Sgcg T C 14: 61,483,219 (GRCm39) M61V probably damaging Het
Snrnp40 C G 4: 130,271,836 (GRCm39) probably null Het
Spint1 A G 2: 119,076,054 (GRCm39) T217A probably benign Het
Vwde A T 6: 13,187,152 (GRCm39) Y778* probably null Het
Zeb2 T A 2: 44,884,658 (GRCm39) D967V probably damaging Het
Zfp687 T C 3: 94,919,355 (GRCm39) N139S probably benign Het
Zscan26 T C 13: 21,629,940 (GRCm39) M188V 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
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
R4696:Tert UTSW 13 73,775,939 (GRCm39) missense probably benign 0.25
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'- GTTGGATGAAGGCCCCACATACAG -3'
(R):5'- ATTTCAAGGAGGTCCCTAGAGCCC -3'

Sequencing Primer
(F):5'- ATTCTGAGAAATCGGGGTGGTC -3'
(R):5'- CTAGAGCCCAGACCATGAGAG -3'
Posted On 2014-01-29