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APBA2 p.Leu629=

c.1885C>T · rs76687371 · VCV786259

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
low-frequency (popmax 3.65%, afr)

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 5.9GERP 1.9, phastCons 1
Overall
CADD12.95PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 3.65% African / African-American · 2,738/75,020 alleles
Filtering AF 3.54% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.49%
Overall 0.192% 3,092/1,612,928 alleles · low-frequency
Ancestry group Frequency 1 in
African / African-Americangrpmax 3.65% 27
Remaining individualsnot grpmax-eligible 0.302% 331
Admixed American 0.213% 469
Middle Eastern 0.116% 866
South Asian 0.00549% 18,216
European (non-Finnish) 0.00212% 47,196

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
APBA2
Protein
p.Leu629=
Coding
c.1885C>T
MANE Select
NM_001353788
dbSNP
rs76687371
Type
single nucleotide variant
Location
chr15:29106787 (GRCh38)
Gene constraint
LOEUF 0.524 · pLI 0.78 (gnomAD)
Structure
AlphaFold pLDDT 59.74
Residue 629
the pdz 1 domain
Full APBA2 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/apba2-p-leu629 (accessed [today's date]).

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