Incidental Mutation 'R2306:Tmem231'
ID 244594
Institutional Source Beutler Lab
Gene Symbol Tmem231
Ensembl Gene ENSMUSG00000031951
Gene Name transmembrane protein 231
Synonyms 4932417I16Rik
MMRRC Submission 040305-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2306 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 112638639-112660445 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 112645503 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Aspartic acid at position 132 (V132D)
Ref Sequence ENSEMBL: ENSMUSP00000034429 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034429] [ENSMUST00000211866]
AlphaFold Q3U284
Predicted Effect probably damaging
Transcript: ENSMUST00000034429
AA Change: V132D

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000034429
Gene: ENSMUSG00000031951
AA Change: V132D

DomainStartEndE-ValueType
Pfam:TM231 1 301 5.8e-131 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000211866
AA Change: S159T

PolyPhen 2 Score 0.074 (Sensitivity: 0.93; Specificity: 0.85)
Meta Mutation Damage Score 0.9355 question?
Coding Region Coverage
  • 1x: 99.5%
  • 3x: 98.7%
  • 10x: 97.2%
  • 20x: 94.4%
Validation Efficiency 100% (34/34)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a transmembrane protein, which is a component of the B9 complex involved in the formation of the diffusion barrier between the cilia and plasma membrane. Mutations in this gene cause Joubert syndrome (JBTS). Multiple alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jan 2013]
PHENOTYPE: Mice homozygous for a gene trapped allele exhibit complete lethality throughout fetal growth and development, defective patterning of the ventral spinal cord, a striking loss in cilia, severe vascular defects, polydactyly, and microphthalmia. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrf2 G A 17: 43,024,010 (GRCm39) H154Y possibly damaging Het
Arhgef7 T A 8: 11,862,680 (GRCm39) Y501* probably null Het
Atmin T C 8: 117,684,389 (GRCm39) F683S probably benign Het
Bcat1 A G 6: 144,953,379 (GRCm39) V403A probably damaging Het
C4b T G 17: 34,947,492 (GRCm39) M1729L probably benign Het
Cdh23 A G 10: 60,159,224 (GRCm39) S2185P probably damaging Het
Crispld2 T G 8: 120,752,810 (GRCm39) V286G probably damaging Het
Ctsw T C 19: 5,517,010 (GRCm39) probably null Het
Dnai1 T C 4: 41,625,239 (GRCm39) V401A probably benign Het
Gm10801 G C 2: 98,494,352 (GRCm39) R143T possibly damaging Het
Ifitm2 T A 7: 140,535,702 (GRCm39) T43S probably damaging Het
Mark1 A T 1: 184,633,058 (GRCm39) probably benign Het
Mme A G 3: 63,207,673 (GRCm39) I40V probably benign Het
Mroh2a A G 1: 88,186,386 (GRCm39) S64G probably benign Het
Nfatc2 A C 2: 168,432,023 (GRCm39) F30C probably damaging Het
Npr2 T A 4: 43,633,609 (GRCm39) V251D probably damaging Het
Pax8 T A 2: 24,333,057 (GRCm39) Y96F probably damaging Het
Ppp1r13b T C 12: 111,811,327 (GRCm39) E187G probably damaging Het
Rbp3 A T 14: 33,684,520 (GRCm39) D1183V probably damaging Het
Reln T G 5: 22,101,784 (GRCm39) D3382A probably damaging Het
Rfc3 A G 5: 151,567,243 (GRCm39) L271P probably damaging Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Sdk1 C T 5: 141,948,455 (GRCm39) A600V probably benign Het
Sfr1 T C 19: 47,723,291 (GRCm39) I265T probably damaging Het
Syt13 G A 2: 92,771,312 (GRCm39) R133H probably benign Het
Tmem247 C A 17: 87,225,869 (GRCm39) A103E probably benign Het
Unc119b A T 5: 115,263,534 (GRCm39) Y223* probably null Het
Vmn1r196 T A 13: 22,477,473 (GRCm39) F37L probably benign Het
Vps13c T A 9: 67,895,275 (GRCm39) Y3627N probably damaging Het
Zfp292 C A 4: 34,809,468 (GRCm39) S1192I probably damaging Het
Other mutations in Tmem231
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00905:Tmem231 APN 8 112,645,072 (GRCm39) splice site probably benign
IGL02800:Tmem231 APN 8 112,640,664 (GRCm39) missense probably benign 0.03
R2281:Tmem231 UTSW 8 112,645,563 (GRCm39) missense probably damaging 1.00
R3615:Tmem231 UTSW 8 112,644,945 (GRCm39) missense possibly damaging 0.63
R3616:Tmem231 UTSW 8 112,644,945 (GRCm39) missense possibly damaging 0.63
R4541:Tmem231 UTSW 8 112,641,224 (GRCm39) missense probably benign 0.02
R4708:Tmem231 UTSW 8 112,660,418 (GRCm39) start gained probably benign
R5522:Tmem231 UTSW 8 112,645,042 (GRCm39) missense possibly damaging 0.92
R6266:Tmem231 UTSW 8 112,641,897 (GRCm39) missense probably null 0.71
R6414:Tmem231 UTSW 8 112,653,524 (GRCm39) intron probably benign
R6415:Tmem231 UTSW 8 112,653,524 (GRCm39) intron probably benign
R6418:Tmem231 UTSW 8 112,653,524 (GRCm39) intron probably benign
R6419:Tmem231 UTSW 8 112,653,524 (GRCm39) intron probably benign
R6622:Tmem231 UTSW 8 112,645,563 (GRCm39) missense probably damaging 1.00
R6938:Tmem231 UTSW 8 112,660,144 (GRCm39) missense probably damaging 0.97
R7103:Tmem231 UTSW 8 112,645,517 (GRCm39) splice site probably null
R7221:Tmem231 UTSW 8 112,660,308 (GRCm39) missense probably benign
R7305:Tmem231 UTSW 8 112,641,927 (GRCm39) missense possibly damaging 0.70
R7438:Tmem231 UTSW 8 112,645,040 (GRCm39) missense probably damaging 1.00
R7781:Tmem231 UTSW 8 112,644,922 (GRCm39) critical splice donor site probably null
R8951:Tmem231 UTSW 8 112,640,697 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAGAGCCATCTGCAGTGTG -3'
(R):5'- TGAACTCAGATCTGCTTGTCTCTG -3'

Sequencing Primer
(F):5'- CTCAGAGGTTAAGAGCACTGACTG -3'
(R):5'- TGCCTCCCAAATGCTGG -3'
Posted On 2014-10-30