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ASPH p.Ser517=

c.1551C>T · VCV4748706

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0637%, sas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -0.25GERP -3.9, phastCons 0.002
Overall
CADD9.975PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0637% South Asian · 58/91,052 alleles
Filtering AF 0.0505% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0458%
Overall 0.00564% 91/1,613,080 alleles · ultra-rare exomes 81/1,460,872 · genomes 10/152,208 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.0637% 1,570
East Asian 0.00892% 11,211
Remaining individualsnot grpmax-eligible 0.00801% 12,489
African / African-American 0.00667% 14,998
Admixed American 0.00167% 59,996
European (non-Finnish) 0.00153% 65,513

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
ASPH
Protein
p.Ser517=
Coding
c.1551C>T
MANE Select
NM_004318
Type
single nucleotide variant
Location
chr8:61553106 (GRCh38)
Gene constraint
LOEUF 1.011 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 72.34 · 43 PDB
Full ASPH 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/asph-p-ser517 (accessed [today's date]).

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