Incidental Mutation 'R0014:Tbc1d20'
ID 201319
Institutional Source Beutler Lab
Gene Symbol Tbc1d20
Ensembl Gene ENSMUSG00000027465
Gene Name TBC1 domain family, member 20
Synonyms bs, 1110028I04Rik, 2810442O16Rik
MMRRC Submission 038309-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.301) question?
Stock # R0014 (G1)
Quality Score 47
Status Validated
Chromosome 2
Chromosomal Location 152135748-152155916 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 152153701 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Leucine at position 342 (Q342L)
Ref Sequence ENSEMBL: ENSMUSP00000028963 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028963] [ENSMUST00000028964] [ENSMUST00000109847] [ENSMUST00000144252] [ENSMUST00000147591]
AlphaFold Q9D9I4
Predicted Effect probably benign
Transcript: ENSMUST00000028963
AA Change: Q342L

PolyPhen 2 Score 0.336 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000028963
Gene: ENSMUSG00000027465
AA Change: Q342L

DomainStartEndE-ValueType
TBC 56 268 6.19e-5 SMART
low complexity region 304 323 N/A INTRINSIC
transmembrane domain 364 386 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000028964
SMART Domains Protein: ENSMUSP00000028964
Gene: ENSMUSG00000027466

DomainStartEndE-ValueType
PDB:4DBG|A 37 137 2e-60 PDB
Blast:UBQ 59 133 2e-15 BLAST
low complexity region 143 152 N/A INTRINSIC
ZnF_RBZ 193 217 5.25e-5 SMART
low complexity region 232 256 N/A INTRINSIC
RING 280 324 2.67e-5 SMART
Pfam:IBR 346 409 1.5e-9 PFAM
Pfam:IBR 422 483 2.5e-8 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000109847
SMART Domains Protein: ENSMUSP00000105473
Gene: ENSMUSG00000027466

DomainStartEndE-ValueType
PDB:4DBG|A 37 137 2e-60 PDB
Blast:UBQ 59 133 2e-15 BLAST
low complexity region 143 152 N/A INTRINSIC
ZnF_RBZ 193 217 5.25e-5 SMART
low complexity region 232 256 N/A INTRINSIC
RING 280 324 2.67e-5 SMART
Blast:IBR 427 507 1e-18 BLAST
Predicted Effect noncoding transcript
Transcript: ENSMUST00000130165
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140482
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141373
Predicted Effect probably benign
Transcript: ENSMUST00000144252
SMART Domains Protein: ENSMUSP00000122542
Gene: ENSMUSG00000027465

DomainStartEndE-ValueType
Pfam:RabGAP-TBC 8 80 5.3e-7 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000147591
SMART Domains Protein: ENSMUSP00000119209
Gene: ENSMUSG00000027465

DomainStartEndE-ValueType
Pfam:RabGAP-TBC 11 155 2e-24 PFAM
Meta Mutation Damage Score 0.0785 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 95.8%
Validation Efficiency 100% (68/68)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that belongs to a family of GTPase activator proteins of Rab-like small GTPases. The encoded protein and its cognate GTPase, Rab1, bind the nonstructural protein 5A (NS5A) of the hepatitis C virus (HCV) to mediate viral replication. Depletion of this protein inhibits replication of the virus and HCV infection. Mutations in this gene are associated with Warburg micro syndrome 4. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2014]
PHENOTYPE: Homozygous mutants have bilateral cataracts, small eyes, glossy coats, and are male sterile. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A1bg T A 15: 60,791,581 (GRCm39) D92V probably damaging Het
Ankrd52 C A 10: 128,222,321 (GRCm39) T583K probably benign Het
C3ar1 C T 6: 122,827,810 (GRCm39) V136M probably damaging Het
Capg A G 6: 72,538,026 (GRCm39) E304G possibly damaging Het
Ccdc125 A C 13: 100,820,846 (GRCm39) N189T possibly damaging Het
Ccr5 T C 9: 123,924,658 (GRCm39) F87S probably damaging Het
Cd2ap T C 17: 43,118,819 (GRCm39) S540G probably benign Het
Cdt1 C T 8: 123,299,305 (GRCm39) T529M probably benign Het
Cfap126 A G 1: 170,953,353 (GRCm39) D49G possibly damaging Het
Cngb3 T C 4: 19,396,685 (GRCm39) I346T probably benign Het
Degs1l T C 1: 180,882,696 (GRCm39) F153L possibly damaging Het
Dgkd A G 1: 87,809,603 (GRCm39) D97G probably damaging Het
Dgkg A T 16: 22,384,114 (GRCm39) probably null Het
Dmbx1 G T 4: 115,775,221 (GRCm39) T358K probably damaging Het
Dnai3 T C 3: 145,787,178 (GRCm39) probably null Het
Epc2 A T 2: 49,412,537 (GRCm39) K172* probably null Het
F2rl2 A T 13: 95,837,417 (GRCm39) N154I probably damaging Het
Fyttd1 G A 16: 32,725,924 (GRCm39) R175Q probably damaging Het
Gbp5 T A 3: 142,212,496 (GRCm39) C395S probably damaging Het
Gen1 T C 12: 11,291,642 (GRCm39) N716D probably benign Het
Helz2 A G 2: 180,882,304 (GRCm39) L163P probably damaging Het
Hmox2 T A 16: 4,582,897 (GRCm39) L210Q probably damaging Het
Klhl28 T C 12: 65,004,076 (GRCm39) T146A probably benign Het
Lrrk2 T C 15: 91,686,248 (GRCm39) probably benign Het
Man2c1 T A 9: 57,046,985 (GRCm39) M580K probably benign Het
Neb G A 2: 52,177,168 (GRCm39) A1391V probably damaging Het
Nyap2 T C 1: 81,219,666 (GRCm39) S563P probably damaging Het
Or2at4 T C 7: 99,385,256 (GRCm39) V302A probably damaging Het
Or4k51 A G 2: 111,585,119 (GRCm39) D175G probably damaging Het
Or55b3 A G 7: 102,126,684 (GRCm39) I131T probably damaging Het
P2rx5 T A 11: 73,057,888 (GRCm39) probably benign Het
Pclo C T 5: 14,730,465 (GRCm39) probably benign Het
Pex1 G A 5: 3,676,141 (GRCm39) probably benign Het
Polr2g A G 19: 8,771,016 (GRCm39) I160T probably damaging Het
Psma8 A G 18: 14,859,587 (GRCm39) I86V possibly damaging Het
Ptpdc1 G T 13: 48,740,395 (GRCm39) Y345* probably null Het
Rcbtb1 G T 14: 59,472,691 (GRCm39) K493N probably benign Het
Rexo2 A T 9: 48,385,747 (GRCm39) S126T probably benign Het
Rorc T A 3: 94,284,920 (GRCm39) probably benign Het
Slc7a2 T C 8: 41,364,065 (GRCm39) L426P probably damaging Het
Syde1 T C 10: 78,425,868 (GRCm39) T100A probably benign Het
Thbs1 A G 2: 117,943,831 (GRCm39) T150A possibly damaging Het
Trpm1 A G 7: 63,897,970 (GRCm39) H317R probably damaging Het
Tut1 T A 19: 8,939,811 (GRCm39) L265Q possibly damaging Het
Wdfy4 A G 14: 32,829,130 (GRCm39) F1029L possibly damaging Het
Wdr7 A G 18: 64,037,172 (GRCm39) T1199A probably benign Het
Zfp458 A G 13: 67,406,154 (GRCm39) V95A possibly damaging Het
Zscan18 A T 7: 12,503,344 (GRCm39) F738L possibly damaging Het
Other mutations in Tbc1d20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02055:Tbc1d20 APN 2 152,149,978 (GRCm39) missense probably damaging 0.99
IGL03111:Tbc1d20 APN 2 152,149,998 (GRCm39) missense probably damaging 1.00
R2484:Tbc1d20 UTSW 2 152,153,283 (GRCm39) missense probably damaging 1.00
R3683:Tbc1d20 UTSW 2 152,153,737 (GRCm39) missense probably benign 0.05
R4352:Tbc1d20 UTSW 2 152,150,114 (GRCm39) intron probably benign
R4815:Tbc1d20 UTSW 2 152,153,909 (GRCm39) unclassified probably benign
R4908:Tbc1d20 UTSW 2 152,144,228 (GRCm39) missense probably benign 0.08
R5010:Tbc1d20 UTSW 2 152,135,856 (GRCm39) unclassified probably benign
R5635:Tbc1d20 UTSW 2 152,153,381 (GRCm39) missense probably benign 0.18
R5800:Tbc1d20 UTSW 2 152,150,245 (GRCm39) splice site probably null
R5832:Tbc1d20 UTSW 2 152,153,282 (GRCm39) missense possibly damaging 0.93
R7193:Tbc1d20 UTSW 2 152,153,337 (GRCm39) missense probably benign 0.01
R7346:Tbc1d20 UTSW 2 152,146,881 (GRCm39) missense probably benign 0.02
R7705:Tbc1d20 UTSW 2 152,150,004 (GRCm39) missense probably damaging 1.00
R9289:Tbc1d20 UTSW 2 152,153,262 (GRCm39) missense probably damaging 1.00
Z1177:Tbc1d20 UTSW 2 152,150,013 (GRCm39) missense probably damaging 1.00
Z1177:Tbc1d20 UTSW 2 152,149,928 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GGCAGTTGGAAATCAGACCATCCC -3'
(R):5'- CTTTCATCCCAAGGCTGGACCATC -3'

Sequencing Primer
(F):5'- ATCCCTGGAGTCTACTTGTCTAGAG -3'
(R):5'- GGCCCAACTTTTTAGGCAG -3'
Posted On 2014-06-02