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BSN p.Ala355=

c.1065G>A · rs143449665 · VCV2653832

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.131%, 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 -6.5GERP -5.2
Overall
CADD0.524PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.131% South Asian · 119/91,052 alleles
Filtering AF 0.112% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.104%
Overall 0.0575% 928/1,613,068 alleles · rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.131% 765
Remaining individualsnot grpmax-eligible 0.0752% 1,329
Middle Eastern 0.0658% 1,521
European (non-Finnish) 0.06% 1,666
Finnishnot grpmax-eligible 0.0473% 2,114
African / African-American 0.0187% 5,352
East Asian 0.00668% 14,962
Admixed American 0.005% 19,991

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
BSN
Protein
p.Ala355=
Coding
c.1065G>A
MANE Select
NM_003458
dbSNP
rs143449665
Type
single nucleotide variant
Location
chr3:49642699 (GRCh38)
Gene constraint
LOEUF 0.271 · pLI 1.00 (gnomAD)
Full BSN 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/bsn-p-ala355 (accessed [today's date]).

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