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CLRN1 p.Phe155fs

c.463_466del · VCV4064866

Likely pathogenic Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
Usher syndrome type 3

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDescapespremature termination codon in the last exon (3 of 3) — the truncated protein is likely expressed. PVS1 input, not an applied code
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 12GERP 1.8, phastCons 1

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

Variant & gene context

Gene
CLRN1
Protein
p.Phe155fs
Coding
c.463_466del
MANE Select
NM_174878
Type
Deletion
Location
chr3:150928169 (GRCh38)
Gene constraint
LOEUF 1.168 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 90.74
Full CLRN1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Usher syndrome type 3 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Usher syndrome (Orphanet):

Inheritance
Autosomal recessive
Onset
Childhood, Infancy, Neonatal
Prevalence
1-9 / 100 000 (Worldwide)

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/clrn1-p-phe155fs (accessed [today's date]).

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