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DYM p.Leu580=

c.1740A>G · rs549366750 · VCV1638449

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)

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
ConservationphyloP -0.77GERP -5, phastCons 0.006
Overall
CADD5.266PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.005% Admixed American · 3/60,016 alleles
Filtering AF 0.00133% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000668%
Overall 0.00031% 5/1,614,042 alleles · very rare
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.005% 20,005
Remaining individualsnot grpmax-eligible 0.0032% 31,243

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
DYM
Protein
p.Leu580=
Coding
c.1740A>G
MANE Select
NM_001353214
dbSNP
rs549366750
Type
single nucleotide variant
Location
chr18:49118915 (GRCh38)
Gene constraint
LOEUF 1.081 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 87.91
Full DYM gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/dym-p-leu580 (accessed [today's date]).

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