Incidental Mutation 'R7589:Ttc8'
ID 587315
Institutional Source Beutler Lab
Gene Symbol Ttc8
Ensembl Gene ENSMUSG00000021013
Gene Name tetratricopeptide repeat domain 8
Synonyms BBS8, 0610012F22Rik
MMRRC Submission 045637-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.393) question?
Stock # R7589 (G1)
Quality Score 225.009
Status Not validated
Chromosome 12
Chromosomal Location 98886833-98949497 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 98942696 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 412 (D412V)
Ref Sequence ENSEMBL: ENSMUSP00000078148 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079146] [ENSMUST00000085109]
AlphaFold Q8VD72
Predicted Effect probably damaging
Transcript: ENSMUST00000079146
AA Change: D412V

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000078148
Gene: ENSMUSG00000021013
AA Change: D412V

DomainStartEndE-ValueType
Blast:TPR 4 37 5e-12 BLAST
TPR 225 258 2.35e-1 SMART
TPR 292 325 9.68e-3 SMART
Blast:TPR 326 359 3e-14 BLAST
TPR 360 393 2.26e-3 SMART
TPR 397 430 1.91e-1 SMART
TPR 431 464 1.81e-2 SMART
Blast:TPR 465 498 7e-14 BLAST
Predicted Effect probably damaging
Transcript: ENSMUST00000085109
AA Change: D402V

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000082190
Gene: ENSMUSG00000021013
AA Change: D402V

DomainStartEndE-ValueType
Blast:TPR 4 37 4e-12 BLAST
TPR 215 248 2.35e-1 SMART
TPR 282 315 9.68e-3 SMART
Blast:TPR 316 349 3e-14 BLAST
TPR 350 383 2.26e-3 SMART
TPR 387 420 1.91e-1 SMART
TPR 421 454 1.81e-2 SMART
Blast:TPR 455 488 7e-14 BLAST
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that has been directly linked to Bardet-Biedl syndrome. The primary features of this syndrome include retinal dystrophy, obesity, polydactyly, renal abnormalities and learning disabilities. Experimentation in non-human eukaryotes suggests that this gene is expressed in ciliated cells and that it is involved in the formation of cilia. A mutation in this gene has also been implicated in nonsyndromic retinitis pigmentosa. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]
PHENOTYPE: Mice homozygous for a null mutation display partial postnatal lethality with slow postnatal weight gain, age related obesity, impaired olfation, loss of cilia from the olfactory epithelium, impaired targeting of olfactory sensory neuron axons, retinal degeneration, and mild renal tubule dilation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610021A01Rik T G 7: 41,276,396 (GRCm39) C700G probably damaging Het
4930486L24Rik T C 13: 60,990,747 (GRCm39) K316E probably damaging Het
Akap6 A T 12: 53,188,846 (GRCm39) K2087* probably null Het
Alpk2 A T 18: 65,433,144 (GRCm39) H1320Q probably damaging Het
Aox1 A T 1: 58,080,643 (GRCm39) R31W probably damaging Het
Asnsd1 G T 1: 53,387,126 (GRCm39) A167E probably benign Het
Atg14 T C 14: 47,780,547 (GRCm39) D409G probably benign Het
Atp13a3 T A 16: 30,163,433 (GRCm39) E574D probably benign Het
Bicd1 A T 6: 149,415,165 (GRCm39) Y626F possibly damaging Het
Cdc5l C T 17: 45,721,707 (GRCm39) R521Q probably benign Het
Dglucy T C 12: 100,807,660 (GRCm39) F160L probably damaging Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Fmo9 T A 1: 166,501,997 (GRCm39) K209N possibly damaging Het
Gsdmc2 C A 15: 63,696,892 (GRCm39) L426F probably damaging Het
Hip1 T C 5: 135,443,165 (GRCm39) D956G probably benign Het
Kif28 C T 1: 179,558,965 (GRCm39) V248I probably benign Het
Klk10 T C 7: 43,433,051 (GRCm39) V149A probably benign Het
Krt40 G T 11: 99,430,983 (GRCm39) N255K probably damaging Het
Map4k4 T A 1: 40,060,251 (GRCm39) Y1013* probably null Het
Mcur1 T C 13: 43,705,101 (GRCm39) Y185C probably damaging Het
Mzt1 T C 14: 99,273,948 (GRCm39) probably null Het
Naip5 G T 13: 100,356,205 (GRCm39) Q1137K not run Het
Naip5 T C 13: 100,356,204 (GRCm39) Q1137R probably benign Het
Nkx1-2 T C 7: 132,201,204 (GRCm39) I18V probably damaging Het
Ofcc1 T A 13: 40,408,960 (GRCm39) Q155L probably benign Het
Or1ad1 A T 11: 50,875,857 (GRCm39) M110L probably damaging Het
Or4a2 A G 2: 89,248,724 (GRCm39) V11A possibly damaging Het
Or4k38 T C 2: 111,165,719 (GRCm39) K235E probably damaging Het
Or51q1 T C 7: 103,628,998 (GRCm39) Y200H probably damaging Het
Or9s15 G A 1: 92,524,781 (GRCm39) R180H probably benign Het
Prnp A G 2: 131,778,786 (GRCm39) D146G probably benign Het
Rhbdf1 C T 11: 32,162,903 (GRCm39) V455I probably benign Het
Rnf6 G A 5: 146,148,239 (GRCm39) R260W possibly damaging Het
Rtl1 T C 12: 109,560,279 (GRCm39) N520S possibly damaging Het
Setbp1 A T 18: 78,899,707 (GRCm39) M1320K probably benign Het
Slc39a8 A G 3: 135,590,123 (GRCm39) T338A probably damaging Het
Tcf4 A G 18: 69,815,890 (GRCm39) *693W probably null Het
Ush2a G T 1: 188,275,046 (GRCm39) A1840S probably benign Het
Vmn1r60 A T 7: 5,547,688 (GRCm39) S137R Het
Vmn1r91 T A 7: 19,835,802 (GRCm39) H240Q probably benign Het
Vmn2r107 A T 17: 20,595,634 (GRCm39) H729L probably benign Het
Yme1l1 C T 2: 23,050,274 (GRCm39) T35I probably benign Het
Zfp292 A G 4: 34,806,777 (GRCm39) V2094A probably damaging Het
Zfp934 A T 13: 62,666,130 (GRCm39) N202K Het
Other mutations in Ttc8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00925:Ttc8 APN 12 98,942,277 (GRCm39) missense probably damaging 0.96
IGL01139:Ttc8 APN 12 98,930,804 (GRCm39) nonsense probably null
IGL02179:Ttc8 APN 12 98,930,796 (GRCm39) missense possibly damaging 0.87
IGL02715:Ttc8 APN 12 98,910,179 (GRCm39) splice site probably benign
IGL02958:Ttc8 APN 12 98,930,803 (GRCm39) missense probably benign 0.03
IGL03249:Ttc8 APN 12 98,910,080 (GRCm39) splice site probably benign
P0035:Ttc8 UTSW 12 98,942,675 (GRCm39) splice site probably benign
R0606:Ttc8 UTSW 12 98,909,718 (GRCm39) splice site probably benign
R1005:Ttc8 UTSW 12 98,903,403 (GRCm39) missense probably benign 0.11
R1584:Ttc8 UTSW 12 98,887,023 (GRCm39) missense probably benign 0.01
R1628:Ttc8 UTSW 12 98,948,780 (GRCm39) missense probably benign 0.07
R1706:Ttc8 UTSW 12 98,910,142 (GRCm39) missense probably benign 0.02
R4585:Ttc8 UTSW 12 98,948,789 (GRCm39) missense probably benign
R4720:Ttc8 UTSW 12 98,946,068 (GRCm39) missense possibly damaging 0.94
R4879:Ttc8 UTSW 12 98,908,562 (GRCm39) missense possibly damaging 0.55
R5110:Ttc8 UTSW 12 98,908,562 (GRCm39) missense probably benign 0.25
R6272:Ttc8 UTSW 12 98,948,753 (GRCm39) missense possibly damaging 0.63
R6465:Ttc8 UTSW 12 98,930,829 (GRCm39) missense probably damaging 1.00
R6620:Ttc8 UTSW 12 98,923,579 (GRCm39) missense possibly damaging 0.95
R6708:Ttc8 UTSW 12 98,909,791 (GRCm39) missense probably damaging 0.99
R6772:Ttc8 UTSW 12 98,909,848 (GRCm39) missense probably damaging 1.00
R6901:Ttc8 UTSW 12 98,927,735 (GRCm39) missense probably damaging 1.00
R7060:Ttc8 UTSW 12 98,909,726 (GRCm39) missense probably benign
R7117:Ttc8 UTSW 12 98,942,761 (GRCm39) missense possibly damaging 0.63
R7174:Ttc8 UTSW 12 98,940,960 (GRCm39) missense possibly damaging 0.79
R7385:Ttc8 UTSW 12 98,908,547 (GRCm39) missense possibly damaging 0.78
R7447:Ttc8 UTSW 12 98,910,131 (GRCm39) missense probably damaging 0.97
R8517:Ttc8 UTSW 12 98,909,594 (GRCm39) missense probably benign
R9397:Ttc8 UTSW 12 98,942,692 (GRCm39) nonsense probably null
R9629:Ttc8 UTSW 12 98,886,965 (GRCm39) missense possibly damaging 0.92
Predicted Primers PCR Primer
(F):5'- TATATCCTCAAGTCAAATCCATGCC -3'
(R):5'- AAGTCCAATGTCCAATTCTGGC -3'

Sequencing Primer
(F):5'- GTCAAATCCATGCCCGGAC -3'
(R):5'- GGCCTGTAAGACTCTAGAGCTAC -3'
Posted On 2019-10-24