Send feedback

BSND p.Ala156fs

c.466del · VCV4816448

Likely pathogenic Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
Bartter syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDpredictedpremature termination codon in exon 3 of 4
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 1.1GERP 0.34, phastCons 0.88

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Variant & gene context

Gene
BSND
Protein
p.Ala156fs
Coding
c.466del
MANE Select
NM_057176
Type
Deletion
Location
chr1:55007189 (GRCh38)
Gene constraint
LOEUF 1.03 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 53.80
Residue 156
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)
Full BSND gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Bartter syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Bartter syndrome (Orphanet):

Inheritance
Autosomal dominant, Autosomal recessive, X-linked recessive
Onset
Adolescent, Adult, Antenatal, Childhood, Infancy, Neonatal
Prevalence
1-9 / 1 000 000 (Europe)

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-ala156fs (accessed [today's date]).

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