Incidental Mutation 'R7717:Pot1a'
ID 594971
Institutional Source Beutler Lab
Gene Symbol Pot1a
Ensembl Gene ENSMUSG00000029676
Gene Name protection of telomeres 1A
Synonyms 1500031H18Rik, Pot1
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7717 (G1)
Quality Score 225.009
Status Not validated
Chromosome 6
Chromosomal Location 25743939-25809280 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 25758822 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 319 (L319Q)
Ref Sequence ENSEMBL: ENSMUSP00000110986 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000115327] [ENSMUST00000115330] [ENSMUST00000166445]
AlphaFold Q91WC1
Predicted Effect probably benign
Transcript: ENSMUST00000115327
AA Change: L319Q

PolyPhen 2 Score 0.147 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000110982
Gene: ENSMUSG00000029676
AA Change: L319Q

DomainStartEndE-ValueType
Telo_bind 11 141 3.6e-53 SMART
low complexity region 253 260 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000115330
AA Change: L319Q

PolyPhen 2 Score 0.451 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000110986
Gene: ENSMUSG00000029676
AA Change: L319Q

DomainStartEndE-ValueType
Telo_bind 11 141 3.6e-53 SMART
Pfam:POT1PC 152 299 6.7e-41 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000166445
AA Change: L319Q

PolyPhen 2 Score 0.451 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000131928
Gene: ENSMUSG00000029676
AA Change: L319Q

DomainStartEndE-ValueType
Telo_bind 11 141 3.6e-53 SMART
low complexity region 253 260 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the telombin family and encodes a nuclear protein involved in telomere maintenance. Specifically, this protein functions as a member of a multi-protein complex that binds to the TTAGGG repeats of telomeres, regulating telomere length and protecting chromosome ends from illegitimate recombination, catastrophic chromosome instability, and abnormal chromosome segregation. Increased transcriptional expression of this gene is associated with stomach carcinogenesis and its progression. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous inactivation of this gene leads to complete prenatal lethality. Embryos homozygous for a gene trapped allele fail to form an inner cell mass in culture. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrf5 T C 17: 43,761,644 (GRCm39) L1113P probably damaging Het
Aldh3b3 T C 19: 4,013,970 (GRCm39) L57P probably damaging Het
Asb15 A G 6: 24,559,251 (GRCm39) D132G probably benign Het
Cep290 C T 10: 100,328,543 (GRCm39) R111W probably benign Het
Cfap44 A G 16: 44,250,298 (GRCm39) D792G probably damaging Het
Col20a1 C T 2: 180,649,408 (GRCm39) R1029W probably damaging Het
Csf3r A G 4: 125,931,403 (GRCm39) Y462C probably damaging Het
Cthrc1 T C 15: 38,940,511 (GRCm39) V38A probably benign Het
Cxcr2 T C 1: 74,197,998 (GRCm39) V164A probably benign Het
Efr3b A G 12: 4,034,574 (GRCm39) S199P probably damaging Het
Elavl4 A G 4: 110,063,663 (GRCm39) C342R probably damaging Het
Gemin5 A T 11: 58,042,356 (GRCm39) probably null Het
Gm14190 A T 11: 99,581,476 (GRCm39) C31S unknown Het
Golt1b T A 6: 142,339,769 (GRCm39) V78D probably damaging Het
Gsdmc3 T A 15: 63,741,061 (GRCm39) D29V probably damaging Het
Itih1 T A 14: 30,653,142 (GRCm39) D766V probably damaging Het
Larp1b C T 3: 40,926,879 (GRCm39) S251F probably damaging Het
Lrp8 A G 4: 107,691,940 (GRCm39) T115A probably benign Het
Lrrc37a A G 11: 103,395,126 (GRCm39) S100P probably benign Het
Lss T C 10: 76,381,286 (GRCm39) V424A possibly damaging Het
Ltbp1 T C 17: 75,597,073 (GRCm39) V568A possibly damaging Het
Myo10 A T 15: 25,732,056 (GRCm39) T311S probably benign Het
Nsd3 T C 8: 26,172,578 (GRCm39) V779A probably benign Het
Or10ak12 A T 4: 118,666,130 (GRCm39) S310R probably damaging Het
Or11h23 T A 14: 50,948,219 (GRCm39) L144Q probably damaging Het
Or2ag16 A G 7: 106,351,843 (GRCm39) W251R possibly damaging Het
Or2n1e C A 17: 38,586,471 (GRCm39) Q270K probably damaging Het
Or51v8 T C 7: 103,320,152 (GRCm39) T29A probably benign Het
Or5b21 A T 19: 12,839,159 (GRCm39) I7F probably benign Het
Pak1 T A 7: 97,535,555 (GRCm39) D215E probably benign Het
Pde7b A G 10: 20,282,937 (GRCm39) F355L probably benign Het
Phaf1 C A 8: 105,978,236 (GRCm39) Q397K probably benign Het
Pi4ka A G 16: 17,194,787 (GRCm39) S204P Het
Pirb T C 7: 3,720,782 (GRCm39) K239E not run Het
Pirb C T 7: 3,720,800 (GRCm39) G233R not run Het
Pnp G A 14: 51,188,460 (GRCm39) M211I probably benign Het
Rspry1 G T 8: 95,349,750 (GRCm39) C46F probably damaging Het
Sanbr A C 11: 23,556,757 (GRCm39) C408G probably benign Het
Sec11c C T 18: 65,945,783 (GRCm39) T82M possibly damaging Het
Secisbp2 T C 13: 51,827,134 (GRCm39) V414A probably benign Het
Tenm2 A G 11: 36,755,762 (GRCm39) F79L probably damaging Het
Vmn2r2 A G 3: 64,042,019 (GRCm39) V232A possibly damaging Het
Zbtb17 T C 4: 141,193,394 (GRCm39) S593P probably damaging Het
Zfp143 T G 7: 109,685,427 (GRCm39) C419G possibly damaging Het
Zfp804b T C 5: 6,821,293 (GRCm39) N590S possibly damaging Het
Other mutations in Pot1a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00857:Pot1a APN 6 25,744,627 (GRCm39) missense probably benign 0.01
IGL01393:Pot1a APN 6 25,744,630 (GRCm39) nonsense probably null
IGL01411:Pot1a APN 6 25,750,143 (GRCm39) splice site probably benign
IGL01774:Pot1a APN 6 25,753,276 (GRCm39) missense probably benign 0.00
IGL01981:Pot1a APN 6 25,750,099 (GRCm39) missense probably damaging 1.00
IGL02404:Pot1a APN 6 25,764,431 (GRCm39) splice site probably benign
IGL02530:Pot1a APN 6 25,794,592 (GRCm39) missense probably damaging 1.00
IGL02755:Pot1a APN 6 25,771,612 (GRCm39) missense possibly damaging 0.81
IGL03127:Pot1a APN 6 25,794,615 (GRCm39) missense probably benign 0.00
IGL03396:Pot1a APN 6 25,745,913 (GRCm39) missense possibly damaging 0.93
BB001:Pot1a UTSW 6 25,753,309 (GRCm39) missense possibly damaging 0.94
BB011:Pot1a UTSW 6 25,753,309 (GRCm39) missense possibly damaging 0.94
R0329:Pot1a UTSW 6 25,778,830 (GRCm39) splice site probably benign
R0359:Pot1a UTSW 6 25,771,679 (GRCm39) splice site probably benign
R0530:Pot1a UTSW 6 25,771,540 (GRCm39) missense possibly damaging 0.86
R0840:Pot1a UTSW 6 25,748,283 (GRCm39) splice site probably benign
R0918:Pot1a UTSW 6 25,756,267 (GRCm39) missense possibly damaging 0.92
R1650:Pot1a UTSW 6 25,745,964 (GRCm39) missense probably damaging 1.00
R1937:Pot1a UTSW 6 25,753,323 (GRCm39) missense probably benign 0.15
R2142:Pot1a UTSW 6 25,750,043 (GRCm39) splice site probably null
R4072:Pot1a UTSW 6 25,752,356 (GRCm39) splice site probably null
R4074:Pot1a UTSW 6 25,752,356 (GRCm39) splice site probably null
R4322:Pot1a UTSW 6 25,745,929 (GRCm39) missense probably benign 0.02
R4895:Pot1a UTSW 6 25,753,205 (GRCm39) missense probably damaging 1.00
R4910:Pot1a UTSW 6 25,746,020 (GRCm39) intron probably benign
R4933:Pot1a UTSW 6 25,771,540 (GRCm39) missense possibly damaging 0.86
R5530:Pot1a UTSW 6 25,778,893 (GRCm39) missense probably damaging 1.00
R5748:Pot1a UTSW 6 25,758,855 (GRCm39) missense possibly damaging 0.77
R5775:Pot1a UTSW 6 25,757,297 (GRCm39) splice site probably null
R5870:Pot1a UTSW 6 25,778,950 (GRCm39) missense possibly damaging 0.90
R6180:Pot1a UTSW 6 25,771,620 (GRCm39) missense probably benign 0.00
R6377:Pot1a UTSW 6 25,778,869 (GRCm39) missense probably benign 0.06
R7251:Pot1a UTSW 6 25,752,497 (GRCm39) splice site probably null
R7457:Pot1a UTSW 6 25,771,621 (GRCm39) missense probably benign 0.26
R7679:Pot1a UTSW 6 25,771,633 (GRCm39) missense probably benign 0.16
R7924:Pot1a UTSW 6 25,753,309 (GRCm39) missense possibly damaging 0.94
R8078:Pot1a UTSW 6 25,750,107 (GRCm39) missense probably benign 0.13
R8084:Pot1a UTSW 6 25,771,535 (GRCm39) missense possibly damaging 0.81
R8170:Pot1a UTSW 6 25,758,802 (GRCm39) makesense probably null
R9070:Pot1a UTSW 6 25,744,629 (GRCm39) missense
R9525:Pot1a UTSW 6 25,745,916 (GRCm39) missense probably benign 0.06
R9574:Pot1a UTSW 6 25,775,718 (GRCm39) missense possibly damaging 0.73
R9638:Pot1a UTSW 6 25,750,106 (GRCm39) nonsense probably null
R9698:Pot1a UTSW 6 25,744,615 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- CCCTGTATTATAGTCGGATGAACTG -3'
(R):5'- CCACTGCTGCTGATTGTGAG -3'

Sequencing Primer
(F):5'- CTGAAAAGAGAGACCCATGTAAGAC -3'
(R):5'- GGTCTCGGATAATCTGATAAAAGC -3'
Posted On 2019-11-12