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DSPP p.Ser989=

c.2967T>C · VCV3388472

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00685%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not looked up on this page · why
Constraint at this position
ConservationphyloP -0.79GERP -1.8
Overall
CADD0.187PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00685% African / African-American · 4/58,356 alleles
Filtering AF 0.0023% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00138%
Overall 0.00112% 17/1,511,784 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00685% 14,589
Admixed American 0.00207% 48,344
Finnishnot grpmax-eligible 0.00174% 57,546
Remaining individualsnot grpmax-eligible 0.00172% 58,294
European (non-Finnish) 0.000882% 113,354

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
DSPP
Protein
p.Ser989=
Coding
c.2967T>C
Type
single nucleotide variant
Location
chr4:87615629 (GRCh38)
Full DSPP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

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/dspp-p-ser989 (accessed [today's date]).

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