Is ABCA9 p.Pro1417Ala (c.4249C>G) pathogenic?

ABCA9 p.Pro1417Ala (c.4249C>G) is classified Uncertain significance in ABCA9 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-08-28). AlphaMissense: likely benign (0.071); Very rare (popmax 0.00534%, afr).

How common is ABCA9 p.Pro1417Ala (c.4249C>G) in the general population?

ABCA9 p.Pro1417Ala (c.4249C>G) is very rare (popmax 0.00534%, afr) (gnomAD).

What do computational predictors say about ABCA9 p.Pro1417Ala (c.4249C>G)?

AlphaMissense predicts likely benign (score 0.071) — an in-silico prediction, not a clinical call.

ABCA9 p.Pro1417Ala

c.4249C>G · VCV4095952

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.071 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00534%, afr)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.071	likely benign
REVEL	0.095	moderately benign-leaning
SaProt	LLR -7.92	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 0.83	GERP 1.9, phastCons 0.22
Regional constraint	o/e 0.94	unconstrained · MANE · 75 kb · p 0.014 · regional, not allelic
Overall
CADD	16.38	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

Grpmax group 0.00534% African / African-American · 4/74,922 alleles

Filtering AF 0.00175% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00104%

Overall 0.000248% 4/1,614,082 alleles · very rare

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: ABCA9
Protein: p.Pro1417Ala
Coding: c.4249C>G
MANE Select: NM_080283
Type: single nucleotide variant
Location: chr17:68985088 (GRCh38)
Gene constraint: LOEUF 1.006 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 77.22
Residue 1417: the abc transporter 2 domain

Full ABCA9 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ABCA9 p.Tyr1123= Likely benign ★★ same type
ABCA9 p.Ala1071Val Uncertain significance ★ ⚠ same type
ABCA9 p.Ala1153Thr Uncertain significance ★ ⚠ same type
ABCA9 p.Ala1196Thr Uncertain significance ★ ⚠ same type
ABCA9 p.Ala125Thr Uncertain significance ★ ⚠ same type
ABCA9 p.Ala1285Thr Uncertain significance ★ ⚠ same type
ABCA9 p.Ala1407Val Uncertain significance ★ ⚠ same type
ABCA9 p.Ala1492Pro 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/abca9-p-pro1417ala (accessed [today's date]).

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