Is GLA p.Tyr207Cys (c.620A>G) pathogenic?

GLA p.Tyr207Cys (c.620A>G) is classified Pathogenic in GLA (ClinVar, Multiple submitters, 3 submitters; last evaluated 2026-09-08). AlphaMissense: ambiguous (0.4599); No allele count reported in gnomAD v4.1 (AN 1,166,958); Associated with Fabry disease.

What condition is associated with GLA p.Tyr207Cys (c.620A>G)?

GLA p.Tyr207Cys (c.620A>G) is associated with Fabry disease (ClinVar).

How common is GLA p.Tyr207Cys (c.620A>G) in the general population?

GLA p.Tyr207Cys (c.620A>G) is no allele count reported in gnomAD v4.1 (AN 1,166,958) (gnomAD).

How is Fabry disease inherited?

Typically X-linked dominant, X-linked recessive (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about GLA p.Tyr207Cys (c.620A>G)?

AlphaMissense predicts ambiguous (score 0.4599) — an in-silico prediction, not a clinical call.

GLA p.Tyr207Cys

c.620A>G · rs797044727 · VCV197113

Pathogenic Multiple submitters

Classification

Pathogenic

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

AlphaMissense

ambiguous

0.4599 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,166,958)

Missense predictors

2/2 damaging

REVEL, SaProt · AlphaMissense indeterminate

Conditions

Fabry disease

Computational evidence

Protein change
AlphaMissense	0.4599	ambiguous
REVEL	0.932	strongly pathogenic-leaning
SaProt	LLR -12.42	damaging
⇒ REVEL and SaProt both call this damaging; AlphaMissense is indeterminate.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.9	GERP 2.7, phastCons 1
Regional constraint	o/e 0.66	unconstrained · MANE · 6,067 bp · p 6.6e-08 · regional, not allelic
Overall
CADD	26.7	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

No allele count reported in gnomAD v4.1 (AN 1,166,958). 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: GLA
Protein: p.Tyr207Cys
Coding: c.620A>G
MANE Select: NM_000169
dbSNP: rs797044727
Type: single nucleotide variant
Location: chrX:101400685 (GRCh38)
Structure: AlphaFold pLDDT 94.45 · 31 PDB
Residue 207: a UniProt-annotated variant site (in fabryd); an α-helix; a binding site

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

Disease context

Fabry disease — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Fabry disease (Orphanet):

Inheritance: X-linked dominant, X-linked recessive
Onset: Adolescent, Adult, Childhood
Prevalence: 1-9 / 1 000 000 (Worldwide)

Similar variants

GLA p.Tyr207Ser Pathogenic/Likely pathogenic ★★ same residue
GLA p.Tyr207Ter Pathogenic ★ same residue
GLA p.Tyr207His Conflicting classifications of pathogenicity ★ ⚠ same residue
GLA p.Tyr207_Trp209del Likely pathogenic ★ same residue
GLA p.Tyr207fs Pathogenic ★ same residue
GLA c.1000-10G>A Likely pathogenic ★★ same condition
GLA c.1000-1G>A Pathogenic ★★ same condition
GLA c.1000-1G>C Pathogenic ★★ 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/gla-p-tyr207cys (accessed [today's date]).

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