Is DISP2 p.Ala664Pro (c.1990G>C) pathogenic?

DISP2 p.Ala664Pro (c.1990G>C) is classified Uncertain significance in DISP2 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-02-16). AlphaMissense: likely benign (0.0706); Absent from gnomAD v4.1.

How common is DISP2 p.Ala664Pro (c.1990G>C) in the general population?

DISP2 p.Ala664Pro (c.1990G>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about DISP2 p.Ala664Pro (c.1990G>C)?

AlphaMissense predicts likely benign (score 0.0706) — an in-silico prediction, not a clinical call.

DISP2 p.Ala664Pro

c.1990G>C · rs2542560606 · VCV2486497

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0706 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0706	likely benign
REVEL	0.07	moderately benign-leaning
SaProt	LLR -6.68	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.8	GERP -0.41, phastCons 1
Regional constraint	o/e 1.02	unconstrained · MANE · 2,889 bp · p 0.52 · regional, not allelic
Overall
CADD	20.7	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

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: DISP2
Protein: p.Ala664Pro
Coding: c.1990G>C
MANE Select: NM_033510
dbSNP: rs2542560606
Type: single nucleotide variant
Location: chr15:40368102 (GRCh38)
Gene constraint: LOEUF 0.813 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 68.24

Full DISP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

DISP2 p.Ala664Glu Uncertain significance ★ ⚠ same residue
DISP2 p.Pro194= Benign ★★ same type
DISP2 p.Ala1053Thr Uncertain significance ★ ⚠ same type
DISP2 p.Ala1069Gly Uncertain significance ★ ⚠ same type
DISP2 p.Ala1128Ser Uncertain significance ★ ⚠ same type
DISP2 p.Ala1128Val Uncertain significance ★ ⚠ same type
DISP2 p.Ala1210Gly Uncertain significance ★ ⚠ same type
DISP2 p.Ala1343Pro 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/disp2-p-ala664pro (accessed [today's date]).

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