Is DMD p.Asp377Glu (c.1131C>G) pathogenic?

DMD p.Asp377Glu (c.1131C>G) is classified Benign in DMD (ClinVar, Single submitter, 2 submitters; last evaluated 2025-11-21). AlphaMissense: likely benign (0.0601); Ultra-rare (popmax 0.0792%, sas); Associated with Duchenne muscular dystrophy.

What condition is associated with DMD p.Asp377Glu (c.1131C>G)?

DMD p.Asp377Glu (c.1131C>G) is associated with Duchenne muscular dystrophy, cardiomyopathy, Becker muscular dystrophy (ClinVar).

How common is DMD p.Asp377Glu (c.1131C>G) in the general population?

DMD p.Asp377Glu (c.1131C>G) is ultra-rare (popmax 0.0792%, sas) (gnomAD).

How is Duchenne muscular dystrophy inherited?

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

What do computational predictors say about DMD p.Asp377Glu (c.1131C>G)?

AlphaMissense predicts likely benign (score 0.0601) — an in-silico prediction, not a clinical call.

DMD p.Asp377Glu

c.1131C>G · rs747305466 · VCV756632

Benign Single submitter

Classification

Benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.0601 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0792%, sas)

Missense predictors

0/2 damaging

AlphaMissense, REVEL

Conditions

Duchenne muscular dystrophy

Computational evidence

Protein change
AlphaMissense	0.0601	likely benign
REVEL	0.074	moderately benign-leaning
⇒ AlphaMissense and REVEL both call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.66	GERP -4.5, phastCons 1
Regional constraint	o/e 1.36	unconstrained · MANE · 1,863 kb · p 2.4e-62 · regional, not allelic
Overall
CADD	5.028	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

Grpmax group 0.0792% South Asian · 45/56,814 alleles

Filtering AF 0.0607% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0543%

Overall 0.0038% 46/1,209,597 alleles · ultra-rare

Ancestry group	Frequency	1 in
South Asiangrpmax	0.0792%	1,263
Remaining individualsnot grpmax-eligible	0.0021%	47,597

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: DMD
Protein: p.Asp377Glu
Coding: c.1131C>G
MANE Select: NM_004006
dbSNP: rs747305466
Type: single nucleotide variant
Location: chrX:32644982 (GRCh38)
Residue 377: an α-helix

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

Disease context

Duchenne muscular dystrophy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cardiomyopathy Becker muscular dystrophy

For Duchenne muscular dystrophy (Orphanet):

Inheritance: X-linked recessive
Onset: Childhood
Prevalence: 1-9 / 100 000 (Worldwide)

Similar variants

DMD c.10086+1G>A Pathogenic ★★ same condition
DMD c.10086+1G>T Pathogenic ★★ same condition
DMD c.10086+2T>C Pathogenic ★★ same condition
DMD c.10087-2A>G Pathogenic/Likely pathogenic ★★ same condition
DMD c.10223+1G>A Pathogenic ★★ same condition
DMD c.10223+1G>C Pathogenic ★★ same condition
DMD c.10224-2A>G Likely pathogenic ★★ same condition
DMD c.10554-2A>G Pathogenic/Likely 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/dmd-p-asp377glu (accessed [today's date]).

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