Is ALB p.Ala577= (c.1731T>A) pathogenic?

ALB p.Ala577= (c.1731T>A) is classified Uncertain significance in ALB (ClinVar, Single submitter, 1 submitter; last evaluated 2018-01-12). Ultra-rare (popmax 0.0446%, eas); Associated with hyperthyroxinemia, familial dysalbuminemic.

What condition is associated with ALB p.Ala577= (c.1731T>A)?

ALB p.Ala577= (c.1731T>A) is associated with hyperthyroxinemia, familial dysalbuminemic (ClinVar).

How common is ALB p.Ala577= (c.1731T>A) in the general population?

ALB p.Ala577= (c.1731T>A) is ultra-rare (popmax 0.0446%, eas) (gnomAD).

ALB p.Ala577=

c.1731T>A · rs564649737 · VCV905527

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

ultra-rare (popmax 0.0446%, eas)

Conditions

hyperthyroxinemia, familial dysalbuminemic

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.003	strongly benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -3.4	GERP -3.7
Overall
CADD	0.386	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0446% East Asian · 20/44,874 alleles

Filtering AF 0.0295% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0246%

Overall 0.00124% 20/1,613,958 alleles · ultra-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: ALB
Protein: p.Ala577=
Coding: c.1731T>A
MANE Select: NM_001319193 · reported on NM_000477
dbSNP: rs564649737
Type: single nucleotide variant
Location: chr4:73419585 (GRCh38)
Structure: AlphaFold pLDDT 64.11

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

Disease context

hyperthyroxinemia, familial dysalbuminemic — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ALB p.Ala83Gly Uncertain significance ★★ ⚠ same condition
ALB p.Arg105His Uncertain significance ★★ ⚠ same condition
ALB p.Arg23Cys Uncertain significance ★★ ⚠ same condition
ALB p.Asp37Asn Uncertain significance ★★ ⚠ same condition
ALB p.Cys384Arg Uncertain significance ★★ ⚠ same condition
ALB p.Thr491Met Uncertain significance ★★ ⚠ same condition
ALB c.1191+11T>A Benign ★★ same condition
ALB c.1290-6T>C Benign/Likely benign ★★ 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/alb-p-ala577 (accessed [today's date]).

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