Is MYBPC3 p.Pro892= (c.2676C>G) pathogenic?

MYBPC3 p.Pro892= (c.2676C>G) is classified Likely benign in MYBPC3 (ClinVar, Multiple submitters, 3 submitters; last evaluated 2024-02-05). Very rare (popmax 0.00954%, eas); Associated with cardiomyopathy.

What condition is associated with MYBPC3 p.Pro892= (c.2676C>G)?

MYBPC3 p.Pro892= (c.2676C>G) is associated with cardiomyopathy, hypertrophic cardiomyopathy (ClinVar).

How common is MYBPC3 p.Pro892= (c.2676C>G) in the general population?

MYBPC3 p.Pro892= (c.2676C>G) is very rare (popmax 0.00954%, eas) (gnomAD).

MYBPC3 p.Pro892=

c.2676C>G · rs559961809 · VCV918595

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00954%, eas)

Conditions

cardiomyopathy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 0.34	GERP -3.7, phastCons 0.96
Overall
CADD	7.341	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00954% East Asian · 4/41,948 alleles

Filtering AF 0.00322% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0019%

Overall 0.000256% 4/1,563,206 alleles · very rare exomes 1/1,410,914 · genomes 3/152,292 · 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: MYBPC3
Protein: p.Pro892=
Coding: c.2676C>G
MANE Select: NM_000256
dbSNP: rs559961809
Type: single nucleotide variant
Location: chr11:47335938 (GRCh38)
Gene constraint: LOEUF 0.915 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 79.43 · 17 PDB
Residue 892: the fibronectin type-iii 2 domain

Full MYBPC3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

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

Also linked: hypertrophic cardiomyopathy

Similar variants

MYBPC3 p.Pro892Thr Uncertain significance ★ ⚠ same residue
MYBPC3 p.Pro892fs Pathogenic ★★ same residue
MYBPC3 p.Arg495Gln Likely pathogenic ★★★ ⚠ same condition
MYBPC3 p.Arg495Gly Likely pathogenic ★★★ ⚠ same condition
MYBPC3 p.Arg495Trp Likely pathogenic ★★★ ⚠ same condition
MYBPC3 p.Arg502Gln Pathogenic ★★★ ⚠ same condition
MYBPC3 c.26-2A>G Uncertain significance ★★★ same condition
MYBPC3 p.Arg1271Ter Uncertain significance ★★★ 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/mybpc3-p-pro892 (accessed [today's date]).

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