Is CAND2 p.Arg448Trp (c.1342C>T) pathogenic?

CAND2 p.Arg448Trp (c.1342C>T) is classified Uncertain significance in CAND2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-04-03). AlphaMissense: likely benign (0.2383); Ultra-rare (popmax 0.0494%, afr).

How common is CAND2 p.Arg448Trp (c.1342C>T) in the general population?

CAND2 p.Arg448Trp (c.1342C>T) is ultra-rare (popmax 0.0494%, afr) (gnomAD).

What do computational predictors say about CAND2 p.Arg448Trp (c.1342C>T)?

AlphaMissense predicts likely benign (score 0.2383) — an in-silico prediction, not a clinical call.

CAND2 p.Arg448Trp

c.1342C>T · rs201739910 · VCV2455771

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.2383 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0494%, afr)

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense	0.2383	likely benign
REVEL	0.311	indeterminate
SaProt	LLR -15.74	damaging
⇒ SaProt calls this damaging; AlphaMissense does not; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 2.1	GERP -2.6, phastCons 0.97
Regional constraint	o/e 0.92	unconstrained · MANE · 27 kb · p 0.0026 · regional, not allelic
Overall
CADD	24.5	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 0.0494% African / African-American · 37/74,916 alleles

Filtering AF 0.0368% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0325%

Overall 0.00403% 65/1,613,614 alleles · ultra-rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.0494%	2,025
East Asian	0.00223%	44,892
European (non-Finnish)	0.0022%	45,384
Remaining individualsnot grpmax-eligible	0.0016%	62,476

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: CAND2
Protein: p.Arg448Trp
Coding: c.1342C>T
MANE Select: NM_001162499
dbSNP: rs201739910
Type: single nucleotide variant
Location: chr3:12815909 (GRCh38)
Gene constraint: LOEUF 0.815 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 87.14 · 2 PDB

Full CAND2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CAND2 p.Arg448Gly Uncertain significance ★ ⚠ same residue
CAND2 p.Arg768Cys Uncertain significance ★★ ⚠ same type
CAND2 p.Arg1028Cys Benign ★★ same type
CAND2 p.Arg987Gln Benign ★★ ⚠ same type
CAND2 p.His709Arg Benign ★★ same type
CAND2 p.Ser491= Benign ★★ same type
CAND2 p.Ser999= Likely benign ★★ same type
CAND2 p.Ala1187Val 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/cand2-p-arg448trp (accessed [today's date]).

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