Is DST p.Ala1654Val (c.4961C>T) pathogenic?

DST p.Ala1654Val (c.4961C>T) is classified Likely benign in DST (ClinVar, Multiple submitters, 4 submitters; last evaluated 2026-01-05). Rare (popmax 0.518%, afr); Associated with hereditary sensory and autonomic neuropathy type 6.

What condition is associated with DST p.Ala1654Val (c.4961C>T)?

DST p.Ala1654Val (c.4961C>T) is associated with hereditary sensory and autonomic neuropathy type 6, epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency (ClinVar).

How common is DST p.Ala1654Val (c.4961C>T) in the general population?

DST p.Ala1654Val (c.4961C>T) is rare (popmax 0.518%, afr) (gnomAD).

DST p.Ala1654Val

Q: How is Hereditary sensory and autonomic neuropathy type 6 inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

c.4961C>T · rs150229184 · VCV474528

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

rare (popmax 0.518%, afr)

Conditions

hereditary sensory and autonomic neuropathy type 6

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.101	moderately benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 8.7	GERP 1.8, phastCons 1
Regional constraint	o/e 1.01	unconstrained · MANE · 36 kb · p 0.7 · regional, not allelic
Overall
CADD	18.62	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.518% African / African-American · 388/74,968 alleles

Filtering AF 0.475% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.458%

Overall 0.0304% 490/1,613,892 alleles · rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.518%	193
Admixed American	0.0984%	1,017
Remaining individualsnot grpmax-eligible	0.0448%	2,232
East Asian	0.00891%	11,220
South Asian	0.0033%	30,346
European (non-Finnish)	0.000678%	147,497

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: DST
Protein: p.Ala1654Val
Coding: c.4961C>T
MANE Select: NM_001374736 · reported on NM_001723
dbSNP: rs150229184
Type: single nucleotide variant
Location: chr6:56619073 (GRCh38)
Gene constraint: LOEUF 0.297 · pLI 1.00 (gnomAD)

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

Disease context

hereditary sensory and autonomic neuropathy type 6 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency

For Hereditary sensory and autonomic neuropathy type 6 (Orphanet):

Inheritance: Autosomal recessive
Onset: Infancy, Neonatal

Similar variants

DST p.Val1654Phe Uncertain significance ★ same residue
DST p.Ala1654= Likely benign ★ same residue
DST c.22959+1G>A Likely pathogenic ★★ same condition
DST p.Arg1512Ter Pathogenic/Likely pathogenic ★★ same condition
DST p.Arg1696Ter Pathogenic/Likely pathogenic ★★ same condition
DST p.Arg22Ter Likely pathogenic ★★ same condition
DST p.Arg7329Ter Pathogenic ★★ same condition
DST p.Cys1828Ter Pathogenic/Likely pathogenic ★★ 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/dst-p-ala1654val (accessed [today's date]).

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