Is DMD p.Arg1745= (c.5235C>T) pathogenic?

DMD p.Arg1745= (c.5235C>T) is classified Benign/Likely benign in DMD (ClinVar, Multiple submitters, 3 submitters; last evaluated 2025-01-30). Ultra-rare (popmax 0.023%, mid); Associated with Cardiovascular phenotype.

What condition is associated with DMD p.Arg1745= (c.5235C>T)?

DMD p.Arg1745= (c.5235C>T) is associated with Cardiovascular phenotype, Duchenne muscular dystrophy (ClinVar).

How common is DMD p.Arg1745= (c.5235C>T) in the general population?

DMD p.Arg1745= (c.5235C>T) is ultra-rare (popmax 0.023%, mid) (gnomAD).

DMD p.Arg1745=

c.5235C>T · rs766312119 · VCV1646127

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.023%, mid)

Conditions

Cardiovascular phenotype

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 -1.8	GERP -5.3
Overall
CADD	1.601	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.023% Middle Eastern · 1/4,350 alleles

Filtering AF 0.00101% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000798%

Overall 0.00191% 21/1,097,657 alleles · ultra-rare

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.023%	4,350
East Asian	0.00592%	16,901
Admixed American	0.00218%	45,928
Remaining individualsnot grpmax-eligible	0.0021%	47,626
South Asian	0.00176%	56,965
European (non-Finnish)	0.00168%	59,667

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.Arg1745=
Coding: c.5235C>T
MANE Select: NM_004006
dbSNP: rs766312119
Type: single nucleotide variant
Location: chrX:32362878 (GRCh38)
Residue 1745: the 'interaction with synm' region; a UniProt-annotated variant site (in)

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

Disease context

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

Also linked: Duchenne muscular dystrophy

Similar variants

DMD p.Arg1745Cys Uncertain significance ★★ same residue
DMD p.Arg1745His Likely benign ★ same residue
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

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-arg1745 (accessed [today's date]).

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