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MRTFA p.Ala694=

c.2082T>A · VCV3696085

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0145%, 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 -2.7GERP -4.8
Overall
CADD0.066PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0145% Admixed American · 6/41,292 alleles
Filtering AF 0.0063% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00431%
Overall 0.000406% 6/1,479,364 alleles · ultra-rare exomes 5/1,346,006 · genomes 1/133,358 · joint denominator

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
MRTFA
Protein
p.Ala694=
Coding
c.2082T>A
MANE Select
NM_020831
Type
single nucleotide variant
Location
chr22:40418656 (GRCh38)
Gene constraint
LOEUF 0.389 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 56.59 · 2 PDB
Residue 694
the 'disordered' region
Full MRTFA 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/mrtfa-p-ala694 (accessed [today's date]).

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