Is ALK p.Ser229= (c.687A>G) pathogenic?

ALK p.Ser229= (c.687A>G) is classified Likely benign in ALK (ClinVar, Single submitter, 1 submitter; last evaluated 2022-02-18). Very rare (popmax 0.00223%, eas); Associated with neuroblastoma, susceptibility to, 3.

What condition is associated with ALK p.Ser229= (c.687A>G)?

ALK p.Ser229= (c.687A>G) is associated with neuroblastoma, susceptibility to, 3 (ClinVar).

How common is ALK p.Ser229= (c.687A>G) in the general population?

ALK p.Ser229= (c.687A>G) is very rare (popmax 0.00223%, eas) (gnomAD).

ALK p.Ser229=

c.687A>G · rs2465432962 · VCV2416112

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00223%, eas)

Conditions

neuroblastoma, susceptibility to, 3

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP -0.93	GERP -3.5, phastCons 0.005
Overall
CADD	3.714	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00223% East Asian · 1/44,868 alleles

Overall 0.000124% 2/1,614,142 alleles · very rare exomes 2/1,461,834 · genomes 0/152,308 · joint denominator

Ancestry group	Frequency	1 in
East Asiangrpmax	0.00223%	44,868
South Asian	0.0011%	91,078

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: ALK
Protein: p.Ser229=
Coding: c.687A>G
MANE Select: NM_004304
dbSNP: rs2465432962
Type: single nucleotide variant
Location: chr2:29717678 (GRCh38)
Gene constraint: LOEUF 0.562 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 68.26 · 79 PDB

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

Disease context

neuroblastoma, susceptibility to, 3 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ALK p.Ser229Leu Uncertain significance ★★ ⚠ same residue
ALK p.Ser229Pro Uncertain significance ★ ⚠ same residue
ALK p.Arg1275Gln Pathogenic ★★ same condition
ALK c.1154+5G>A Uncertain significance ★★ same condition
ALK c.1155-3C>T Uncertain significance ★★ same condition
ALK c.1282+3A>G Uncertain significance ★★ same condition
ALK c.1414+1G>A Uncertain significance ★★ same condition
ALK c.1414+3G>A Uncertain significance ★★ same condition

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/alk-p-ser229 (accessed [today's date]).

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