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CFAP418 p.Arg157=

c.471G>A · rs2132151688 · VCV3028134

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, nfe)
Conditions
1
inherited retinal dystrophy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
SpliceAIΔ0.24acceptor loss · deltas
PangolinΔ0.33loss · gain 0.00 · agrees with SpliceAI · independent
Constraint at this position
ConservationphyloP 2.2GERP 0.61, phastCons 1
Overall
CADD15.25PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00017% European (non-Finnish) · 2/1,173,184 alleles
Filtering AF 2.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.1e-05%
Overall 0.000125% 2/1,601,210 alleles · very rare exomes 2/1,450,102 · genomes 0/151,108 · joint denominator

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene
CFAP418
Protein
p.Arg157=
Coding
c.471G>A
MANE Select
NM_177965
dbSNP
rs2132151688
Type
single nucleotide variant
Location
chr8:95247770 (GRCh38)
Gene constraint
LOEUF 1.642 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 75.73
Full CFAP418 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

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/cfap418-p-arg157 (accessed [today's date]).

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