Is CDH6 p.Lys775Arg (c.2324A>G) pathogenic?

CDH6 p.Lys775Arg (c.2324A>G) is classified Uncertain significance in CDH6 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-02-23). AlphaMissense: likely benign (0.0663); Ultra-rare (popmax 0.028%, afr).

How common is CDH6 p.Lys775Arg (c.2324A>G) in the general population?

CDH6 p.Lys775Arg (c.2324A>G) is ultra-rare (popmax 0.028%, afr) (gnomAD).

What do computational predictors say about CDH6 p.Lys775Arg (c.2324A>G)?

AlphaMissense predicts likely benign (score 0.0663) — an in-silico prediction, not a clinical call.

CDH6 p.Lys775Arg

c.2324A>G · rs780517244 · VCV2463125

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0663 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.028%, afr)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0663	likely benign
REVEL	0.154	moderately benign-leaning
SaProt	LLR -8.49	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7	GERP 1.1, phastCons 1
Regional constraint	o/e 0.91	unconstrained · MANE · 5,460 bp · p 0.18 · regional, not allelic
Overall
CADD	19.61	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.028% African / African-American · 21/74,924 alleles

Filtering AF 0.0188% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0157%

Overall 0.00149% 24/1,614,026 alleles · ultra-rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.028%	3,568
Remaining individualsnot grpmax-eligible	0.0032%	31,243
European (non-Finnish)	8.47e-05%	1,179,979

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: CDH6
Protein: p.Lys775Arg
Coding: c.2324A>G
MANE Select: NM_004932
dbSNP: rs780517244
Type: single nucleotide variant
Location: chr5:31323259 (GRCh38)
Gene constraint: LOEUF 0.511 · pLI 0.95 (gnomAD)
Structure: AlphaFold pLDDT 78.67 · 1 PDB

Full CDH6 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CDH6 p.Ala130Val Uncertain significance ★ ⚠ same type
CDH6 p.Ala489Ser Uncertain significance ★ ⚠ same type
CDH6 p.Ala634Gly Uncertain significance ★ ⚠ same type
CDH6 p.Ala671Ser Uncertain significance ★ ⚠ same type
CDH6 p.Ala706Val Uncertain significance ★ ⚠ same type
CDH6 p.Ala729Val Uncertain significance ★ ⚠ same type
CDH6 p.Ala739Val Uncertain significance ★ ⚠ same type
CDH6 p.Arg115Lys Uncertain significance ★ ⚠ 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/cdh6-p-lys775arg (accessed [today's date]).

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