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PDE6B p.Ala260=

c.780C>T · rs759132270 · VCV1628438

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0571%, 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 -0.054GERP -2.6, phastCons 0.46
Overall
CADD15.31PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0571% South Asian · 52/91,084 alleles
Filtering AF 0.0447% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0403%
Overall 0.00353% 57/1,613,792 alleles · ultra-rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.0571% 1,752
Remaining individualsnot grpmax-eligible 0.0064% 15,622
European (non-Finnish) 8.47e-05% 1,180,013

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
PDE6B
Protein
p.Ala260=
Coding
c.780C>T
MANE Select
NM_000283
dbSNP
rs759132270
Type
single nucleotide variant
Location
chr4:653920 (GRCh38)
Gene constraint
LOEUF 1.238 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 89.72
Residue 260
the gaf 2 domain
Full PDE6B 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/pde6b-p-ala260 (accessed [today's date]).

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