Is CFAP43 p.Cys606Arg (c.1816T>C) pathogenic?

CFAP43 p.Cys606Arg (c.1816T>C) is classified Uncertain significance in CFAP43 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-10-13). AlphaMissense: likely pathogenic (0.8698); Very rare (popmax 0.00111%, sas).

How common is CFAP43 p.Cys606Arg (c.1816T>C) in the general population?

CFAP43 p.Cys606Arg (c.1816T>C) is very rare (popmax 0.00111%, sas) (gnomAD).

What do computational predictors say about CFAP43 p.Cys606Arg (c.1816T>C)?

AlphaMissense predicts likely pathogenic (score 0.8698) — an in-silico prediction, not a clinical call.

CFAP43 p.Cys606Arg

c.1816T>C · rs1424045356 · VCV3143457

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.8698 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00111%, sas)

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense	0.8698	likely pathogenic · top 6% in CFAP43
REVEL	0.323	indeterminate
SaProt	LLR -7.84	tolerated
⇒ AlphaMissense calls this damaging; SaProt does not; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 2, phastCons 1
Regional constraint	o/e 0.92	unconstrained · MANE · 91 kb · p 0.0013 · regional, not allelic
Overall
CADD	25.5	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00111% South Asian · 1/90,450 alleles

Overall 6.85e-05% 1/1,459,248 alleles · very rare

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: CFAP43
Protein: p.Cys606Arg
Coding: c.1816T>C
MANE Select: NM_025145
dbSNP: rs1424045356
Type: single nucleotide variant
Location: chr10:104187364 (GRCh38)
Gene constraint: LOEUF 0.78 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 77.27 · 1 PDB

Full CFAP43 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CFAP43 p.Arg894Ter Pathogenic/Likely pathogenic ★★ same type
CFAP43 p.Thr1075Lys Uncertain significance ★★ ⚠ same type
CFAP43 c.2142-4A>G Benign ★★ same type
CFAP43 p.Glu1540Gly Benign/Likely benign ★★ same type
CFAP43 p.Leu1542Val Benign/Likely benign ★★ same type
CFAP43 p.Leu616Phe Benign ★★ ⚠ same type
CFAP43 p.Leu802= Benign ★★ same type
CFAP43 p.Pro246= Benign ★★ same type

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/cfap43-p-cys606arg (accessed [today's date]).

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