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BCR p.Ala601=

c.1803C>A · rs201963169 · VCV737802

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.154%, eas)

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 1.3GERP 0.66, phastCons 1
Overall
CADD13.24PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.154% East Asian · 69/44,864 alleles
Filtering AF 0.125% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.114%
Overall 0.00489% 79/1,613,948 alleles · rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.154% 650
Remaining individualsnot grpmax-eligible 0.0144% 6,945
European (non-Finnish) 8.48e-05% 1,179,924

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
BCR
Protein
p.Ala601=
Coding
c.1803C>A
MANE Select
NM_004327
dbSNP
rs201963169
Type
single nucleotide variant
Location
chr22:23268458 (GRCh38)
Gene constraint
LOEUF 0.608 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 65.61 · 5 PDB
Residue 601
the dh domain; an α-helix
Full BCR 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/bcr-p-ala601 (accessed [today's date]).

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