Is PRPH2 p.Arg310fs (c.928_929del) pathogenic?

PRPH2 p.Arg310fs (c.928929del) is classified Likely pathogenic in PRPH2 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-10-13). Associated with PRPH2-related disorder.

What condition is associated with PRPH2 p.Arg310fs (c.928_929del)?

PRPH2 p.Arg310fs (c.928_929del) is associated with PRPH2-related disorder (ClinVar).

PRPH2 p.Arg310fs

c.928_929del · VCV4891943

Likely pathogenic Single submitter

Classification

Likely pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

frameshift

predicted LoF

gnomAD v4.1

Rare

Conditions

PRPH2-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	frameshift	predicted loss-of-function
NMD	escapes	premature 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
Conservation	phyloP 1	GERP 1.5, phastCons 1

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

Variant & gene context

Gene: PRPH2
Protein: p.Arg310fs
Coding: c.928_929del
MANE Select: NM_000322
Type: Microsatellite
Location: chr6:42698407 (GRCh38)
Gene constraint: LOEUF 0.773 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 87.56 · 1 PDB
Residue 310: a UniProt-annotated variant site (in)

Full PRPH2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

PRPH2-related disorder — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

PRPH2 p.Arg310del Uncertain significance ★ same residue
PRPH2 p.Arg310Lys Benign ★★ same residue
PRPH2 p.Arg310Glu Uncertain significance ★ same residue
PRPH2 p.Lys154del Pathogenic ★★ same condition
PRPH2 p.Ser322fs Pathogenic/Likely pathogenic ★★ same condition
PRPH2 p.Asn169del Likely pathogenic ★ same condition
PRPH2 p.Cys119del Pathogenic ★ same condition
PRPH2 p.Gly31fs Pathogenic ★ same condition

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/prph2-p-arg310fs (accessed [today's date]).

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