Send feedback

BBS4 p.Ser291fs

c.871del · VCV3577644

Likely pathogenic Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
Bardet-Biedl syndrome 4

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDpredictedpremature termination codon in exon 12 of 16
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 7.7GERP 1.7, phastCons 1

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Variant & gene context

Gene
BBS4
Protein
p.Ser291fs
Coding
c.871del
MANE Select
NM_033028
Type
Deletion
Location
chr15:72731561 (GRCh38)
Gene constraint
LOEUF 0.953 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 78.36 · 1 PDB
Residue 291
the 'interaction with pcm1' region
Full BBS4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Bardet-Biedl syndrome 4 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Bardet-Biedl syndrome (Orphanet):

Inheritance
Autosomal recessive, Oligogenic
Onset
Antenatal, Childhood, Infancy, Neonatal
Prevalence
1-9 / 100 000 (Specific population)

Similar variants

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/bbs4-p-ser291fs (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown