Is DRP2 p.Ala127Pro (c.379G>C) pathogenic?

DRP2 p.Ala127Pro (c.379G>C) is classified Uncertain significance in DRP2 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-10-31). AlphaMissense: likely pathogenic (0.814); Very rare (popmax 0.00599%, sas).

How common is DRP2 p.Ala127Pro (c.379G>C) in the general population?

DRP2 p.Ala127Pro (c.379G>C) is very rare (popmax 0.00599%, sas) (gnomAD).

What do computational predictors say about DRP2 p.Ala127Pro (c.379G>C)?

AlphaMissense predicts likely pathogenic (score 0.814) — an in-silico prediction, not a clinical call.

DRP2 p.Ala127Pro

c.379G>C · rs757466405 · VCV3016753

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.814 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00599%, sas)

Missense predictors

2/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.814	likely pathogenic
REVEL	0.101	moderately benign-leaning
SaProt	LLR -12.48	damaging
⇒ AlphaMissense and SaProt call this damaging; REVEL does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 5.8	GERP 1.7, phastCons 1
Overall
CADD	22.7	PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00599% South Asian · 3/50,063 alleles

Filtering AF 0.00159% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000841%

Overall 0.00034% 4/1,176,691 alleles · very rare

Ancestry group	Frequency	1 in
South Asiangrpmax	0.00599%	16,688
Remaining individualsnot grpmax-eligible	0.00217%	46,062

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: DRP2
Protein: p.Ala127Pro
Coding: c.379G>C
MANE Select: NM_001197293 · reported on NM_001939
dbSNP: rs757466405
Type: single nucleotide variant
Location: chrX:101237716 (GRCh38)
Structure: AlphaFold pLDDT 90.49 · 15 PDB
Residue 127: an α-helix

Full DRP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

DRP2 p.Ala127fs Likely pathogenic ★ same residue
DRP2 p.Glu432Ter Pathogenic ★★ same type
DPYSL2 p.Asn492Ser Uncertain significance ★★ ⚠ same type
DPYSL2 p.Asp520Asn Uncertain significance ★★ ⚠ same type
DRP2 p.Ala205Val Uncertain significance ★★ ⚠ same type
DRP2 p.Ala643Thr Uncertain significance ★★ ⚠ same type
DRP2 p.Arg199His Uncertain significance ★★ ⚠ same type
DRP2 p.Arg224Cys 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/drp2-p-ala127pro (accessed [today's date]).

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