Send feedback

BMPER c.133+8A>T

rs1350356122 · VCV3050672

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 1.94%, nfe)
Conditions
1
BMPER-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
Splice regiondonor +8near-intronic (+8 nt from the splice site)
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 1.8GERP -0.47, phastCons 0.87
Overall
CADD12.77PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 1.94% European (non-Finnish) · 5,184/266,572 alleles
Filtering AF 1.9% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.88%
Overall 1.23% 5,670/459,200 alleles · low-frequency
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 1.94% 51
Remaining individualsnot grpmax-eligible 1.33% 75
Middle Eastern 0.374% 267
Ashkenazi Jewishnot grpmax-eligible 0.278% 360
East Asian 0.276% 362
South Asian 0.229% 436
African / African-American 0.213% 469
Admixed American 0.0233% 4,290
Finnishnot grpmax-eligible 0.0208% 4,796

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
BMPER
Coding
c.133+8A>T
MANE Select
NM_001365308
dbSNP
rs1350356122
Type
single nucleotide variant
Location
chr7:33905754 (GRCh38)
Gene constraint
LOEUF 0.652 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 80.24
Full BMPER gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

BMPER-related disorder

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/bmper-c-133-plus-8a-t (accessed [today's date]).

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