Is AMPH p.Arg16Gly (c.46C>G) pathogenic?

AMPH p.Arg16Gly (c.46C>G) is classified Uncertain significance in AMPH (ClinVar, Single submitter, 1 submitter; last evaluated 2025-07-02). AlphaMissense: likely pathogenic (0.9857); Absent from gnomAD v4.1.

How common is AMPH p.Arg16Gly (c.46C>G) in the general population?

AMPH p.Arg16Gly (c.46C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about AMPH p.Arg16Gly (c.46C>G)?

AlphaMissense predicts likely pathogenic (score 0.9857) — an in-silico prediction, not a clinical call.

AMPH p.Arg16Gly

c.46C>G · VCV4093198

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9857 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

2/2 damaging

AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense	0.9857	likely pathogenic
REVEL	0.383	indeterminate
SaProt	LLR -10.03	damaging
⇒ AlphaMissense and SaProt both call this damaging; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.5	phastCons 1
Regional constraint	o/e 0.71	unconstrained · MANE · 166 kb · p 1e-06 · regional, not allelic
Overall
CADD	27.7	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — 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: AMPH
Protein: p.Arg16Gly
Coding: c.46C>G
MANE Select: NM_001635
Type: single nucleotide variant
Location: chr7:38631306 (GRCh38)
Gene constraint: LOEUF 0.697 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 64.84 · 6 PDB

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

Similar variants

AMPH c.1017+10T>C Likely benign ★★ same type
AMPH p.Thr586Met Likely benign ★★ ⚠ same type
AMPH p.Ala10Thr Uncertain significance ★ ⚠ same type
AMPH p.Ala169Gly Uncertain significance ★ ⚠ same type
AMPH p.Ala239Ser Uncertain significance ★ ⚠ same type
AMPH p.Ala248Val Uncertain significance ★ ⚠ same type
AMPH p.Ala284Val Uncertain significance ★ ⚠ same type
AMPH p.Ala287Thr 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/amph-p-arg16gly (accessed [today's date]).

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