Is AP4M1 p.Pro404Ser (c.1210C>T) pathogenic?

AP4M1 p.Pro404Ser (c.1210C>T) is classified Uncertain significance in AP4M1 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-07-01). AlphaMissense: ambiguous (0.5159); Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with AP4M1 p.Pro404Ser (c.1210C>T)?

AP4M1 p.Pro404Ser (c.1210C>T) is associated with Inborn genetic diseases (ClinVar).

How common is AP4M1 p.Pro404Ser (c.1210C>T) in the general population?

AP4M1 p.Pro404Ser (c.1210C>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about AP4M1 p.Pro404Ser (c.1210C>T)?

AlphaMissense predicts ambiguous (score 0.5159) — an in-silico prediction, not a clinical call.

AP4M1 p.Pro404Ser

c.1210C>T · VCV4115990

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.5159 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.5159	ambiguous
REVEL	0.519	indeterminate
SaProt	LLR -8.62	tolerated
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 1.8, phastCons 1
Regional constraint	o/e 1.07	unconstrained · MANE · 5,164 bp · p 0.093 · regional, not allelic
Overall
CADD	24.8	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: AP4M1
Protein: p.Pro404Ser
Coding: c.1210C>T
MANE Select: NM_004722
Type: single nucleotide variant
Location: chr7:100106730 (GRCh38)
Gene constraint: LOEUF 1.106 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 86.16 · 6 PDB
Residue 404: the mhd domain

Full AP4M1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

AP4M1 p.Cys319Arg Pathogenic/Likely pathogenic ★★ same condition
AP4M1 c.673+6G>A Uncertain significance ★★ same condition
AP4M1 c.*449G>A Uncertain significance ★★ ⚠ same condition
AP4M1 p.Ala397Val Uncertain significance ★★ ⚠ same condition
AP4M1 p.Arg172His Uncertain significance ★★ same condition
AP4M1 p.Arg271Cys Uncertain significance ★★ ⚠ same condition
AP4M1 p.Arg283Trp Uncertain significance ★★ ⚠ same condition
AP4M1 p.Arg367Trp Uncertain significance ★★ ⚠ same condition

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/ap4m1-p-pro404ser (accessed [today's date]).

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