Incidental Mutation 'R1298:Bbs4'
ID 158218
Institutional Source Beutler Lab
Gene Symbol Bbs4
Ensembl Gene ENSMUSG00000025235
Gene Name Bardet-Biedl syndrome 4
Synonyms D9Ertd464e
MMRRC Submission 039364-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.607) question?
Stock # R1298 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 59229273-59260791 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 59247096 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tryptophan to Arginine at position 135 (W135R)
Ref Sequence ENSEMBL: ENSMUSP00000026265 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000026265]
AlphaFold Q8C1Z7
Predicted Effect probably damaging
Transcript: ENSMUST00000026265
AA Change: W135R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000026265
Gene: ENSMUSG00000025235
AA Change: W135R

DomainStartEndE-ValueType
TPR 67 100 1.64e1 SMART
TPR 101 134 1.14e1 SMART
TPR 135 168 5.19e-3 SMART
TPR 169 201 3.67e-3 SMART
TPR 202 235 9.68e-3 SMART
TPR 270 303 1.26e-1 SMART
TPR 304 337 2.38e-2 SMART
TPR 338 371 1.64e1 SMART
low complexity region 490 504 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000214225
Predicted Effect noncoding transcript
Transcript: ENSMUST00000214832
Meta Mutation Damage Score 0.9231 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 94.1%
Validation Efficiency 100% (38/38)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the Bardet-Biedl syndrome (BBS) gene family. Bardet-Biedl syndrome is an autosomal recessive disorder characterized by severe pigmentary retinopathy, obesity, polydactyly, renal malformation and mental retardation. The proteins encoded by BBS gene family members are structurally diverse. The similar phenotypes exhibited by mutations in BBS gene family members are likely due to the protein's shared roles in cilia formation and function. Many BBS proteins localize to the basal bodies, ciliary axonemes, and pericentriolar regions of cells. BBS proteins may also be involved in intracellular trafficking via microtubule-related transport. The protein encoded by this gene has sequence similarity to O-linked N-acetylglucosamine (O-GlcNAc) transferases in plants and archaebacteria and in human forms a multi-protein "BBSome" complex with seven other BBS proteins. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Mar 2016]
PHENOTYPE: Homozygous null mice display partial embryonic lethality, low body weight before weaning, obesity and polyphagia after weaning, retinal degeneration, male infertility, absence of sperm cell flagella, renal abnormalities, impaired olfaction, and abnormal olfactory epithelium and neurons. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alox5 A G 6: 116,404,225 (GRCm39) W145R probably damaging Het
Aspm T A 1: 139,385,157 (GRCm39) V267D probably benign Het
Cavin4 T C 4: 48,672,593 (GRCm39) V346A probably benign Het
Cdk18 A C 1: 132,050,189 (GRCm39) probably benign Het
Cyp2j11 C T 4: 96,195,497 (GRCm39) probably null Het
Dnah6 A T 6: 73,136,118 (GRCm39) I1007K probably damaging Het
Dnmt1 T C 9: 20,852,752 (GRCm39) E118G probably benign Het
Eef2 C CN 10: 81,014,602 (GRCm39) probably null Het
Eif1ad5 T A 12: 87,946,853 (GRCm39) D98E probably benign Het
Gm14496 T C 2: 181,637,885 (GRCm39) F320L probably benign Het
Gsdmc3 A T 15: 63,732,130 (GRCm39) L299M probably damaging Het
H6pd T C 4: 150,066,971 (GRCm39) I472V probably benign Het
Hao2 G T 3: 98,790,985 (GRCm39) T63K possibly damaging Het
Jag2 C T 12: 112,879,939 (GRCm39) probably benign Het
Mapre3 A G 5: 31,022,211 (GRCm39) Y211C probably damaging Het
Mycbp2 A G 14: 103,393,334 (GRCm39) S2966P probably damaging Het
Nsd3 T A 8: 26,169,952 (GRCm39) V696E possibly damaging Het
Obscn A G 11: 58,945,723 (GRCm39) Y4163H possibly damaging Het
Or11h4b A T 14: 50,918,337 (GRCm39) Y251* probably null Het
Or12e8 G A 2: 87,188,414 (GRCm39) A209T probably benign Het
Or6c3 G T 10: 129,308,933 (GRCm39) C124F probably damaging Het
Pde2a A G 7: 101,156,409 (GRCm39) E607G probably benign Het
Pinlyp T A 7: 24,244,391 (GRCm39) D51V probably damaging Het
Rcbtb2 T A 14: 73,399,828 (GRCm39) I87N probably damaging Het
Sfswap A G 5: 129,618,442 (GRCm39) I459V probably benign Het
Slitrk6 T C 14: 110,989,297 (GRCm39) N137D possibly damaging Het
Smg1 A T 7: 117,767,434 (GRCm39) probably benign Het
Sobp T A 10: 42,898,331 (GRCm39) H418L probably damaging Het
Spock1 A C 13: 57,660,563 (GRCm39) D180E probably benign Het
Upk3a G A 15: 84,904,752 (GRCm39) V167I probably benign Het
Vmn1r180 T C 7: 23,652,572 (GRCm39) V245A possibly damaging Het
Zbtb25 T C 12: 76,396,775 (GRCm39) E149G probably benign Het
Zgrf1 T C 3: 127,377,538 (GRCm39) C44R possibly damaging Het
Other mutations in Bbs4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00790:Bbs4 APN 9 59,231,348 (GRCm39) missense probably benign 0.00
IGL01360:Bbs4 APN 9 59,247,131 (GRCm39) missense possibly damaging 0.89
IGL02005:Bbs4 APN 9 59,243,638 (GRCm39) splice site probably benign
IGL02150:Bbs4 APN 9 59,243,651 (GRCm39) missense probably benign
IGL02278:Bbs4 APN 9 59,248,451 (GRCm39) missense possibly damaging 0.64
IGL02402:Bbs4 APN 9 59,237,729 (GRCm39) missense probably benign 0.41
IGL02593:Bbs4 APN 9 59,235,880 (GRCm39) missense probably damaging 0.99
IGL03328:Bbs4 APN 9 59,251,401 (GRCm39) missense probably damaging 1.00
R0964:Bbs4 UTSW 9 59,230,259 (GRCm39) makesense probably null
R1944:Bbs4 UTSW 9 59,237,698 (GRCm39) splice site probably null
R2986:Bbs4 UTSW 9 59,248,478 (GRCm39) missense probably damaging 1.00
R4118:Bbs4 UTSW 9 59,237,708 (GRCm39) missense possibly damaging 0.90
R4701:Bbs4 UTSW 9 59,230,802 (GRCm39) missense probably benign
R6930:Bbs4 UTSW 9 59,230,764 (GRCm39) missense probably benign
R8685:Bbs4 UTSW 9 59,247,138 (GRCm39) missense probably benign
R9522:Bbs4 UTSW 9 59,260,691 (GRCm39) critical splice donor site probably null
Predicted Primers PCR Primer
(F):5'- TGCTGCTGATGCTTACGAACTCC -3'
(R):5'- CCGGTTCCAAGTTATCCTTGGTCAC -3'

Sequencing Primer
(F):5'- tgcatttcaggtcagccag -3'
(R):5'- CAAGTTATCCTTGGTCACACAGTG -3'
Posted On 2014-02-18