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PGAP1 p.Leu650=

c.1948T>C · rs1488181217 · VCV436290

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00716%, sas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP 2.4GERP 1.3, phastCons 0.83
Overall
CADD8.062PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00716% South Asian · 6/83,772 alleles
Filtering AF 0.00307% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00209%
Overall 0.000381% 6/1,574,626 alleles · very rare exomes 6/1,422,462 · genomes 0/152,164 · joint denominator

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
PGAP1
Protein
p.Leu650=
Coding
c.1948T>C
MANE Select
NM_024989
dbSNP
rs1488181217
Type
single nucleotide variant
Location
chr2:196847951 (GRCh38)
Gene constraint
LOEUF 0.691 · pLI 0.02 (gnomAD)
Structure
AlphaFold pLDDT 89.15
Full PGAP1 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/pgap1-p-leu650 (accessed [today's date]).

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