Send feedback

ASAH1 p.Val77fs

c.223_229dup · VCV4714056

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDpredictedpremature termination codon in exon 4 of 14
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 7.8GERP 1.7, phastCons 1

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Variant & gene context

Gene
ASAH1
Protein
p.Val77fs
Coding
c.223_229dup
MANE Select
NM_177924
Type
Duplication
Location
chr8:18069865 (GRCh38)
Gene constraint
LOEUF 1.435 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 91.97 · 2 PDB
Residue 77
a disulfide bond; an α-helix
Full ASAH1 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/asah1-p-val77fs (accessed [today's date]).

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