Incidental Mutation 'R6465:Ttc8'
ID 517790
Institutional Source Beutler Lab
Gene Symbol Ttc8
Ensembl Gene ENSMUSG00000021013
Gene Name tetratricopeptide repeat domain 8
Synonyms BBS8, 0610012F22Rik
MMRRC Submission 044598-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.466) question?
Stock # R6465 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 98886833-98949497 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 98930829 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 291 (E291G)
Ref Sequence ENSEMBL: ENSMUSP00000078148 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079146] [ENSMUST00000085109] [ENSMUST00000132878]
AlphaFold Q8VD72
Predicted Effect probably damaging
Transcript: ENSMUST00000079146
AA Change: E291G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000078148
Gene: ENSMUSG00000021013
AA Change: E291G

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: E281G

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000082190
Gene: ENSMUSG00000021013
AA Change: E281G

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124514
Predicted Effect probably benign
Transcript: ENSMUST00000132878
SMART Domains Protein: ENSMUSP00000115828
Gene: ENSMUSG00000021013

DomainStartEndE-ValueType
SCOP:d1a17__ 128 206 2e-5 SMART
Blast:TPR 165 198 8e-18 BLAST
Predicted Effect noncoding transcript
Transcript: ENSMUST00000223277
Meta Mutation Damage Score 0.1461 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.8%
  • 20x: 93.1%
Validation Efficiency 95% (40/42)
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 G A 6: 128,518,041 (GRCm39) T1415I probably damaging Het
Acvr2b T A 9: 119,262,369 (GRCm39) W461R probably damaging Het
Adam23 G T 1: 63,605,827 (GRCm39) C637F probably damaging Het
Apol8 T G 15: 77,634,148 (GRCm39) T143P probably benign Het
Bfsp1 A C 2: 143,699,975 (GRCm39) probably null Het
Cytl1 T C 5: 37,895,014 (GRCm39) V99A probably benign Het
Dock2 A T 11: 34,453,413 (GRCm39) V793E probably damaging Het
Fxyd5 G T 7: 30,737,305 (GRCm39) T81K probably damaging Het
Gcm1 A G 9: 77,972,151 (GRCm39) Y364C probably damaging Het
Get3 A T 8: 85,745,194 (GRCm39) M291K probably benign Het
Haghl T C 17: 26,002,793 (GRCm39) N190S possibly damaging Het
Inpp5j C A 11: 3,452,293 (GRCm39) R319L possibly damaging Het
Ints10 A G 8: 69,260,188 (GRCm39) N304S probably benign Het
Isoc1 T A 18: 58,804,328 (GRCm39) C119S probably damaging Het
Klhl18 A G 9: 110,257,988 (GRCm39) M414T probably benign Het
Krtap2-4 A G 11: 99,505,585 (GRCm39) probably benign Het
Krtap3-1 G A 11: 99,457,277 (GRCm39) P45S possibly damaging Het
Mroh2a GCCC GC 1: 88,159,979 (GRCm39) probably null Het
Myo7a A G 7: 97,711,887 (GRCm39) V1754A possibly damaging Het
Nedd4l T A 18: 65,288,335 (GRCm39) D119E probably benign Het
Nsun7 T C 5: 66,452,929 (GRCm39) V548A probably benign Het
Or5m12 A T 2: 85,734,883 (GRCm39) S172T probably benign Het
Or6b6 A T 7: 106,571,419 (GRCm39) V44E possibly damaging Het
Parvg A G 15: 84,213,141 (GRCm39) D127G probably damaging Het
Pate13 A T 9: 35,819,921 (GRCm39) N25Y possibly damaging Het
Piezo2 T A 18: 63,174,734 (GRCm39) M2007L possibly damaging Het
Pou2f3 A C 9: 43,051,162 (GRCm39) F175V probably damaging Het
Ptprn2 T C 12: 117,233,209 (GRCm39) I958T probably damaging Het
Pwwp2b T C 7: 138,835,951 (GRCm39) V464A probably benign Het
Pzp A G 6: 128,468,582 (GRCm39) Y982H probably damaging Het
Rad17 T A 13: 100,773,588 (GRCm39) N202I probably benign Het
Rtel1 T A 2: 180,977,733 (GRCm39) D271E possibly damaging Het
Sos2 T C 12: 69,643,549 (GRCm39) S943G probably benign Het
Tdpoz6 A G 3: 93,600,303 (GRCm39) I22T probably damaging Het
Tm9sf2 A G 14: 122,378,619 (GRCm39) H241R probably benign Het
Unc93a2 G T 17: 7,641,842 (GRCm39) T202K probably damaging Het
Wfikkn1 A G 17: 26,097,692 (GRCm39) C211R probably damaging Het
Ylpm1 T A 12: 85,096,576 (GRCm39) D1219E probably damaging Het
Zc3hav1 T C 6: 38,308,784 (GRCm39) Y586C possibly damaging Het
Zcchc4 T A 5: 52,976,618 (GRCm39) F471I probably benign Het
Zfp719 C A 7: 43,240,108 (GRCm39) Y565* probably null 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
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
R7589:Ttc8 UTSW 12 98,942,696 (GRCm39) missense probably damaging 1.00
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'- TGTGTGACAATAATAACCCCACAG -3'
(R):5'- CTGAACCATGGCCAACGATC -3'

Sequencing Primer
(F):5'- GGAAAACTCTTACTGTAATTTCTGGG -3'
(R):5'- AACTGTGCTCCCTACTAG -3'
Posted On 2018-05-21