Is ADNP2 p.Ser945Arg (c.2835C>G) pathogenic?

ADNP2 p.Ser945Arg (c.2835C>G) is classified Uncertain significance in ADNP2 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-08-22). AlphaMissense: ambiguous (0.4222); Absent from gnomAD v4.1.

How common is ADNP2 p.Ser945Arg (c.2835C>G) in the general population?

ADNP2 p.Ser945Arg (c.2835C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ADNP2 p.Ser945Arg (c.2835C>G)?

AlphaMissense predicts ambiguous (score 0.4222) — an in-silico prediction, not a clinical call.

ADNP2 p.Ser945Arg

c.2835C>G · rs561195907 · VCV2620993

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4222 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/2 damaging

REVEL, SaProt · AlphaMissense no call

Computational evidence

Protein change
AlphaMissense	0.4222	ambiguous
REVEL	0.169	moderately benign-leaning
SaProt	LLR -7.47	tolerated
⇒ REVEL and SaProt both call this tolerated; AlphaMissense makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.15	GERP -0.3, phastCons 0.42
Regional constraint	o/e 0.94	unconstrained · MANE · 1,556 bp · p 0.14 · regional, not allelic
Overall
CADD	17.48	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

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: ADNP2
Protein: p.Ser945Arg
Coding: c.2835C>G
MANE Select: NM_014913
dbSNP: rs561195907
Type: single nucleotide variant
Location: chr18:80138248 (GRCh38)
Gene constraint: LOEUF 0.896 · pLI 0.18 (gnomAD)
Structure: AlphaFold pLDDT 58.42

Full ADNP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ADNP2 p.Gly54Val Uncertain significance ★★ ⚠ same type
ADNP2 p.Ala222Thr Uncertain significance ★ ⚠ same type
ADNP2 p.Ala271Val Uncertain significance ★ ⚠ same type
ADNP2 p.Ala287Thr Uncertain significance ★ ⚠ same type
ADNP2 p.Ala326Pro Uncertain significance ★ ⚠ same type
ADNP2 p.Ala451Gly Uncertain significance ★ ⚠ same type
ADNP2 p.Ala493Ser Uncertain significance ★ ⚠ same type
ADNP2 p.Ala511Thr 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/adnp2-p-ser945arg (accessed [today's date]).

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