Send feedback

OPA1 p.Lys874=

c.2622G>A · rs377280422 · VCV2086166

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.02%, amr)

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 5.9GERP 1.4, phastCons 1
Overall
CADD11.3PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.02% Admixed American · 12/59,990 alleles
Filtering AF 0.0115% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00898%
Overall 0.0018% 29/1,613,576 alleles · ultra-rare
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.02% 4,999
Remaining individualsnot grpmax-eligible 0.0032% 31,235
European (non-Finnish) 0.00119% 84,262
South Asian 0.0011% 91,072

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
OPA1
Protein
p.Lys874=
Coding
c.2622G>A
MANE Select
NM_130837
dbSNP
rs377280422
Type
single nucleotide variant
Location
chr3:193662923 (GRCh38)
Gene constraint
LOEUF 0.503 · pLI 0.92 (gnomAD)
Structure
AlphaFold pLDDT 74.02 · 11 PDB
Residue 874
the 'stalk region' region; a disulfide bond
Full OPA1 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/opa1-p-lys874 (accessed [today's date]).

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