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BSND p.Leu299=

c.895C>T · rs2100209894 · VCV1592008

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1

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 2.2GERP 1.5, phastCons 1
Overall
CADD8.859PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene
BSND
Protein
p.Leu299=
Coding
c.895C>T
MANE Select
NM_057176
dbSNP
rs2100209894
Type
single nucleotide variant
Location
chr1:55008560 (GRCh38)
Gene constraint
LOEUF 1.03 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 53.80
Residue 299
a UniProt-annotated variant site (in barts4a); a UniProt-annotated variant site (in barts4a; loss of clcnka and clcnkb channel conductance); a UniProt-annotated variant site (in barts4a; abolishes the preferential sorting at the basolateral membrane domain; no effect on ion conductance); the 'disordered' region
Full BSND 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/bsnd-p-leu299 (accessed [today's date]).

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