Is EMD p.Ser141= (c.423T>G) pathogenic?

EMD p.Ser141= (c.423T>G) is classified Conflicting classifications of pathogenicity in EMD (ClinVar, Conflicting submitters, 3 submitters; last evaluated 2025-12-08). Very rare (popmax 0.00888%, eas); Associated with X-linked Emery-Dreifuss muscular dystrophy.

What condition is associated with EMD p.Ser141= (c.423T>G)?

EMD p.Ser141= (c.423T>G) is associated with X-linked Emery-Dreifuss muscular dystrophy (ClinVar).

How common is EMD p.Ser141= (c.423T>G) in the general population?

EMD p.Ser141= (c.423T>G) is very rare (popmax 0.00888%, eas) (gnomAD).

How is Emery-Dreifuss muscular dystrophy inherited?

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

EMD p.Ser141=

c.423T>G · rs1209782193 · VCV497840

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00888%, eas)

Conditions

X-linked Emery-Dreifuss muscular dystrophy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.29	GERP -3, phastCons 0.48
Overall
CADD	2.854	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00888% East Asian · 3/33,787 alleles

Filtering AF 0.00235% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00125%

Overall 0.000578% 7/1,210,556 alleles · very rare

Ancestry group	Frequency	1 in
East Asiangrpmax	0.00888%	11,262
Remaining individualsnot grpmax-eligible	0.0021%	47,602
European (non-Finnish)	0.000335%	298,417

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: EMD
Protein: p.Ser141=
Coding: c.423T>G
MANE Select: NM_000117
dbSNP: rs1209782193
Type: single nucleotide variant
Location: chrX:154380776 (GRCh38)
Structure: AlphaFold pLDDT 61.26 · 6 PDB
Residue 141: a modified residue (phosphoserine); the 'interaction with f-actin' region

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

Disease context

X-linked Emery-Dreifuss muscular dystrophy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Emery-Dreifuss muscular dystrophy (Orphanet):

Inheritance: Autosomal dominant, Autosomal recessive, X-linked recessive
Onset: Childhood
Prevalence: 1-9 / 1 000 000 (Europe)

Similar variants

EMD p.Ser141Phe Conflicting classifications of pathogenicity ★ ⚠ same residue
EMD c.187+1G>A Pathogenic ★★ same condition
EMD c.187+1G>T Pathogenic/Likely pathogenic ★★ same condition
EMD c.265+1G>A Likely pathogenic ★★ same condition
EMD c.266-2A>G Pathogenic ★★ same condition
EMD c.266-3A>G Pathogenic ★★ same condition
EMD c.399+1G>T Pathogenic ★★ same condition
EMD c.399+2T>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/emd-p-ser141 (accessed [today's date]).

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