Is AHNAK2 p.Ala2834Val (c.8501C>T) pathogenic?

AHNAK2 p.Ala2834Val (c.8501C>T) is classified Benign in AHNAK2 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-01-01). AlphaMissense: likely benign (0.1805); Rare (popmax 0.661%, mid).

How common is AHNAK2 p.Ala2834Val (c.8501C>T) in the general population?

AHNAK2 p.Ala2834Val (c.8501C>T) is rare (popmax 0.661%, mid) (gnomAD).

What do computational predictors say about AHNAK2 p.Ala2834Val (c.8501C>T)?

AlphaMissense predicts likely benign (score 0.1805) — an in-silico prediction, not a clinical call.

AHNAK2 p.Ala2834Val

c.8501C>T · rs200469922 · VCV2644700

Benign Single submitter

Classification

Benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1805 · ACMG-weighted

gnomAD v4.1

Rare

rare (popmax 0.661%, mid)

Missense predictors

0/2 damaging

AlphaMissense, REVEL · SaProt no call

Computational evidence

Protein change
AlphaMissense	0.1805	likely benign
REVEL	0.091	moderately benign-leaning
SaProt	—	not scored · why
⇒ AlphaMissense and REVEL both call this tolerated; SaProt makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -5.1	GERP -0.64
Regional constraint	o/e 1.23	unconstrained · MANE · 32 kb · p 4.7e-50 · regional, not allelic
Overall
CADD	16.76	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.661% Middle Eastern · 40/6,048 alleles

Filtering AF 0.499% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.443%

Overall 0.0371% 597/1,611,016 alleles · rare

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.661%	151
South Asian	0.117%	858
Remaining individualsnot grpmax-eligible	0.0641%	1,560
African / African-American	0.0473%	2,112
European (non-Finnish)	0.0303%	3,303
Admixed American	0.0117%	8,536
Finnishnot grpmax-eligible	0.011%	9,128
East Asian	0.00897%	11,148
Ashkenazi Jewishnot grpmax-eligible	0.0034%	29,448

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: AHNAK2
Protein: p.Ala2834Val
Coding: c.8501C>T
MANE Select: NM_138420
dbSNP: rs200469922
Type: single nucleotide variant
Location: chr14:104946950 (GRCh38)
Gene constraint: LOEUF 0.917 · pLI <0.01 (gnomAD)

Full AHNAK2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

AHNAK2 p.Ala2834Asp Uncertain significance ★ ⚠ same residue
AHNAK2 p.Ala2834= Likely benign ★ same residue
AHNAK2 p.Glu3598Lys Uncertain significance ★★ ⚠ same type
AHNAK2 p.Gly4376Ser Uncertain significance ★★ ⚠ same type
AHNAK2 p.Lys2479Arg Uncertain significance ★★ ⚠ same type
AHNAK2 p.Lys3309Asn Uncertain significance ★★ ⚠ same type
AHNAK2 p.Val1351Met Uncertain significance ★★ ⚠ same type
AHNAK2 p.Ala1115Val Benign/Likely 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/ahnak2-p-ala2834val (accessed [today's date]).

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