Is ENTPD2 p.Arg158His (c.473G>A) pathogenic?

ENTPD2 p.Arg158His (c.473G>A) is classified Likely benign in ENTPD2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-04-15). AlphaMissense: likely benign (0.0638); Ultra-rare (popmax 0.0134%, amr).

How common is ENTPD2 p.Arg158His (c.473G>A) in the general population?

ENTPD2 p.Arg158His (c.473G>A) is ultra-rare (popmax 0.0134%, amr) (gnomAD).

What do computational predictors say about ENTPD2 p.Arg158His (c.473G>A)?

AlphaMissense predicts likely benign (score 0.0638) — an in-silico prediction, not a clinical call.

ENTPD2 p.Arg158His

c.473G>A · VCV4018207

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0638 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0134%, amr)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0638	likely benign
REVEL	0.034	moderately benign-leaning
SaProt	LLR -8.52	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 -2	GERP -3.7
Regional constraint	o/e 1.09	unconstrained · MANE · 5,337 bp · p 0.028 · regional, not allelic
Overall
CADD	10.02	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 0.0134% Admixed American · 8/59,814 alleles

Filtering AF 0.00663% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00484%

Overall 0.00106% 17/1,610,896 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0134%	7,477
Remaining individualsnot grpmax-eligible	0.00481%	20,795
African / African-American	0.00134%	74,892
European (non-Finnish)	0.000424%	235,747

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: ENTPD2
Protein: p.Arg158His
Coding: c.473G>A
MANE Select: NM_203468
Type: single nucleotide variant
Location: chr9:137051284 (GRCh38)
Gene constraint: LOEUF 1.377 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 93.02

Full ENTPD2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ENTPD2 p.Arg158Ser Uncertain significance ★ ⚠ same residue
ENTPD2 p.Arg193Gln Benign ★★ same type
ENTPD2 p.Val343= Benign ★★ same type
ENTPD2 p.Ala113Thr Uncertain significance ★ ⚠ same type
ENTPD2 p.Ala113Val Uncertain significance ★ ⚠ same type
ENTPD2 p.Ala16Gly Uncertain significance ★ ⚠ same type
ENTPD2 p.Ala17Thr Uncertain significance ★ ⚠ same type
ENTPD2 p.Ala199Ser 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/entpd2-p-arg158his (accessed [today's date]).

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