Incidental Mutation 'R1005:Ttc8'
ID 95672
Institutional Source Beutler Lab
Gene Symbol Ttc8
Ensembl Gene ENSMUSG00000021013
Gene Name tetratricopeptide repeat domain 8
Synonyms BBS8, 0610012F22Rik
MMRRC Submission 039115-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.393) question?
Stock # R1005 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 98886833-98949497 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98903403 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 47 (S47P)
Ref Sequence ENSEMBL: ENSMUSP00000078148 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079146] [ENSMUST00000085109] [ENSMUST00000132878]
AlphaFold Q8VD72
Predicted Effect probably benign
Transcript: ENSMUST00000079146
AA Change: S47P

PolyPhen 2 Score 0.109 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000078148
Gene: ENSMUSG00000021013
AA Change: S47P

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 benign
Transcript: ENSMUST00000085109
SMART Domains Protein: ENSMUSP00000082190
Gene: ENSMUSG00000021013

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 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: ENSMUST00000223023
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.5%
  • 20x: 90.5%
Validation Efficiency 100% (41/41)
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam18 T C 8: 25,155,530 (GRCm39) D163G probably benign Het
Adck1 G A 12: 88,368,872 (GRCm39) V117M probably damaging Het
Amph G A 13: 19,326,198 (GRCm39) V643M probably damaging Het
Anpep C T 7: 79,488,004 (GRCm39) E518K probably benign Het
Anxa6 A T 11: 54,892,044 (GRCm39) M304K possibly damaging Het
Aox1 A G 1: 58,104,511 (GRCm39) T563A probably benign Het
AW551984 G A 9: 39,505,029 (GRCm39) Q488* probably null Het
Cbx2 A G 11: 118,919,400 (GRCm39) R322G probably benign Het
Csmd1 T A 8: 16,338,707 (GRCm39) T467S probably damaging Het
Cspg4 A G 9: 56,796,020 (GRCm39) I1252V probably benign Het
Enah A T 1: 181,789,495 (GRCm39) probably benign Het
Fam171a2 T C 11: 102,331,007 (GRCm39) M185V probably benign Het
Flt1 G T 5: 147,618,695 (GRCm39) N213K probably damaging Het
Fpr-rs3 T C 17: 20,844,346 (GRCm39) N265S probably benign Het
Gbp2 T C 3: 142,336,262 (GRCm39) probably benign Het
Gm6871 A T 7: 41,195,682 (GRCm39) C352S probably damaging Het
Gm9742 T C 13: 8,085,251 (GRCm39) noncoding transcript Het
Iars1 T C 13: 49,840,921 (GRCm39) I18T possibly damaging Het
Kel T C 6: 41,665,551 (GRCm39) Y523C probably damaging Het
Klk1b8 T A 7: 43,603,758 (GRCm39) C198* probably null Het
Mc3r A G 2: 172,091,483 (GRCm39) H235R probably benign Het
Nr0b2 G T 4: 133,280,785 (GRCm39) R17L probably benign Het
Or1a1b A G 11: 74,097,962 (GRCm39) F27L probably benign Het
Prl7a1 G A 13: 27,826,429 (GRCm39) P2L possibly damaging Het
Prrt3 G A 6: 113,471,739 (GRCm39) A811V probably damaging Het
Rab28 A G 5: 41,855,726 (GRCm39) probably benign Het
Rhobtb2 A G 14: 70,035,726 (GRCm39) L115P probably damaging Het
Robo4 A G 9: 37,319,547 (GRCm39) E599G probably damaging Het
Ros1 T A 10: 52,004,501 (GRCm39) probably benign Het
Slc22a27 A T 19: 7,904,116 (GRCm39) L7Q probably damaging Het
Slfn5 T A 11: 82,850,984 (GRCm39) L427H probably damaging Het
Smarcad1 C T 6: 65,085,711 (GRCm39) H890Y probably benign Het
Snx31 A G 15: 36,517,837 (GRCm39) probably benign Het
Sptb C T 12: 76,648,633 (GRCm39) probably null Het
Stard9 C A 2: 120,504,117 (GRCm39) S221R probably damaging Het
Ston2 T C 12: 91,615,622 (GRCm39) D262G possibly damaging Het
Trank1 T G 9: 111,162,789 (GRCm39) M16R probably benign Het
Trrap A G 5: 144,742,537 (GRCm39) E1385G probably damaging 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
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
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'- AACCTCTGAGGGCACTTCTGGATG -3'
(R):5'- GCAATCGTTACTGAAGCCCCAAGC -3'

Sequencing Primer
(F):5'- agagccattaaggaagatattcaaag -3'
(R):5'- AGCGGATATGCAGCACAT -3'
Posted On 2014-01-05