Is ABCB10 p.Val26Ala (c.77T>C) pathogenic?

ABCB10 p.Val26Ala (c.77T>C) is classified Uncertain significance in ABCB10 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-08-08). AlphaMissense: likely benign (0.0524); Absent from gnomAD v4.1.

How common is ABCB10 p.Val26Ala (c.77T>C) in the general population?

ABCB10 p.Val26Ala (c.77T>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ABCB10 p.Val26Ala (c.77T>C)?

AlphaMissense predicts likely benign (score 0.0524) — an in-silico prediction, not a clinical call.

ABCB10 p.Val26Ala

c.77T>C · VCV4099138

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0524 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,444,764)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0524	likely benign
REVEL	0.206	benign-leaning
SaProt	LLR -4.54	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 0.059	GERP 0.3
Regional constraint	o/e 1.23	unconstrained · MANE · 339 bp · p 0.0021 · regional, not allelic
Overall
CADD	9.496	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

No allele count reported in gnomAD v4.1 (AN 1,444,764). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: ABCB10
Protein: p.Val26Ala
Coding: c.77T>C
MANE Select: NM_012089
Type: single nucleotide variant
Location: chr1:229558576 (GRCh38)
Gene constraint: LOEUF 1.142 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 81.37 · 6 PDB

Full ABCB10 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ABCB10 p.Asn478Lys Benign ★★ same type
ABCB10 p.Thr179= Benign ★★ same type
ABCB10 p.Ala110Pro Uncertain significance ★ ⚠ same type
ABCB10 p.Ala280Val Uncertain significance ★ ⚠ same type
ABCB10 p.Ala300Pro Uncertain significance ★ ⚠ same type
ABCB10 p.Ala388Gly Uncertain significance ★ ⚠ same type
ABCB10 p.Ala394Thr Uncertain significance ★ ⚠ same type
ABCB10 p.Ala461Val 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/abcb10-p-val26ala (accessed [today's date]).

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