Is BPTF p.Arg2909Ser (c.8727G>C) pathogenic?

BPTF p.Arg2909Ser (c.8727G>C) is classified Uncertain significance in BPTF (ClinVar, Single submitter, 1 submitter; last evaluated 2022-12-13). AlphaMissense: likely pathogenic (0.9906); Absent from gnomAD v4.1.

How common is BPTF p.Arg2909Ser (c.8727G>C) in the general population?

BPTF p.Arg2909Ser (c.8727G>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about BPTF p.Arg2909Ser (c.8727G>C)?

AlphaMissense predicts likely pathogenic (score 0.9906) — an in-silico prediction, not a clinical call.

BPTF p.Arg2909Ser

c.8727G>C · rs2513989224 · VCV2505929

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9906 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Computational evidence

Protein change
AlphaMissense	0.9906	likely pathogenic · top 9% in BPTF
REVEL	0.299	indeterminate
Splicing
SpliceAI	Δ0.47	acceptor loss at this position · masked 0 · deltas
Pangolin	Δ0.39	loss · gain 0.00 · agrees with SpliceAI · independent
Constraint at this position
Conservation	phyloP 9.9	GERP 2.4, phastCons 1
Regional constraint	o/e 1.30	unconstrained · MANE · 6,335 bp · p 0.22 · regional, not allelic
Overall
CADD	28.1	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

⚠ Isoform check: AlphaMissense numbered on a different transcript (AM R3035S vs ClinVar R2909S) — verify the residue.

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: BPTF
Protein: p.Arg2909Ser
Coding: c.8727G>C
MANE Select: NM_182641
dbSNP: rs2513989224
Type: single nucleotide variant
Location: chr17:67982252 (GRCh38)
Gene constraint: LOEUF 0.09 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)

Full BPTF gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

BPTF p.Arg1322Ter Pathogenic/Likely pathogenic ★★ same type
BPTF p.Arg1738Ter Pathogenic/Likely pathogenic ★★ same type
BPTF p.Arg2858Ter Pathogenic ★★ same type
BPTF p.Arg841Ter Pathogenic ★★ same type
BPTF c.1864+562A>T Uncertain significance ★★ same type
BPTF c.1865-5651C>G Uncertain significance ★★ ⚠ same type
BPTF p.Ala1197Val Uncertain significance ★★ ⚠ same type
BPTF p.Ala1252Val Uncertain significance ★★ ⚠ same type

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/bptf-p-arg2909ser (accessed [today's date]).

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