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SIN3A p.Arg167=

c.501T>A · rs1344081768 · VCV2784623

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)

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 0.46GERP -2.2, phastCons 0.86
Overall
CADD7.395PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00167% Admixed American · 1/59,974 alleles
Overall 6.84e-05% 1/1,461,564 alleles · very rare

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
SIN3A
Protein
p.Arg167=
Coding
c.501T>A
MANE Select
NM_001145358
dbSNP
rs1344081768
Type
single nucleotide variant
Location
chr15:75413018 (GRCh38)
Gene constraint
LOEUF 0.14 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 69.67
Residue 167
the pah 1 domain; the 'interaction with hcfc1' region
Full SIN3A 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/sin3a-p-arg167 (accessed [today's date]).

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