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AHNAK2 p.Ala2345Pro

c.7033G>C · VCV3277908

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely benign
0.0987 · ACMG-weighted
gnomAD v4.1
Rare
rare (popmax 0.342%, afr)
Missense predictors
0/2 damaging
AlphaMissense, REVEL · SaProt no call

Computational evidence

Protein change
AlphaMissense0.0987likely benign
REVEL0.072moderately 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
ConservationphyloP -20GERP -0.53
Regional constrainto/e 1.23unconstrained · MANE · 32 kb · p 4.7e-50 · regional, not allelic
Overall
CADD0.442PHRED · 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 is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.342% African / African-American · 245/71,610 alleles
Filtering AF 0.307% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.293%
Overall 0.021% 338/1,607,764 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.342% 292
Admixed American 0.0824% 1,214
Ashkenazi Jewishnot grpmax-eligible 0.0373% 2,682
Remaining individualsnot grpmax-eligible 0.0241% 4,142
European (non-Finnish) 0.00153% 65,475

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.Ala2345Pro
Coding
c.7033G>C
MANE Select
NM_138420
Type
single nucleotide variant
Location
chr14:104948418 (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

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-ala2345pro (accessed [today's date]).

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