Send feedback

ATAD3B p.Cys641=

c.1923C>T · rs146505120 · VCV725969

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0957%, 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 -2.3GERP -1.1
Overall
CADD0.52PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0957% South Asian · 84/87,744 alleles
Filtering AF 0.0792% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0731%
Overall 0.0266% 423/1,588,416 alleles · ultra-rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.0957% 1,045
European (non-Finnish) 0.027% 3,702
Middle Eastern 0.0219% 4,572
Remaining individualsnot grpmax-eligible 0.0163% 6,131
Finnishnot grpmax-eligible 0.00966% 10,357
Admixed American 0.00516% 19,388
African / African-American 0.00403% 24,835
East Asian 0.00224% 44,732

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
ATAD3B
Protein
p.Cys641=
Coding
c.1923C>T
MANE Select
NM_031921
dbSNP
rs146505120
Type
single nucleotide variant
Location
chr1:1495793 (GRCh38)
Gene constraint
LOEUF 1.152 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 77.69
Full ATAD3B 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/atad3b-p-cys641 (accessed [today's date]).

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