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VPS13B p.Asp99=

c.297C>T · rs1295312029 · VCV1109903

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000339%, nfe)
Conditions
1
Cohen syndrome

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 -0.71GERP -4.5, phastCons 0.009
Overall
CADD5.603PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000339% European (non-Finnish) · 4/1,179,920 alleles
Filtering AF 7.9e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 5.4e-05%
Overall 0.000248% 4/1,613,730 alleles · very rare exomes 3/1,461,710 · genomes 1/152,020 · joint denominator

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
VPS13B
Protein
p.Asp99=
Coding
c.297C>T
MANE Select
NM_152564
dbSNP
rs1295312029
Type
single nucleotide variant
Location
chr8:99096317 (GRCh38)
Gene constraint
LOEUF 0.708 · pLI <0.01 (gnomAD)
Residue 99
the chorein n-terminal domain; a UniProt-annotated variant site (in coh1)
Full VPS13B 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/vps13b-p-asp99 (accessed [today's date]).

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