Is MYO7B p.Asp342= (c.1026C>T) pathogenic?

MYO7B p.Asp342= (c.1026C>T) is classified Benign in MYO7B (ClinVar, No assertion criteria, 1 submitter; last evaluated 2019-05-01). Low-frequency (popmax 2.2%, afr); Associated with MYO7B-related disorder.

What condition is associated with MYO7B p.Asp342= (c.1026C>T)?

MYO7B p.Asp342= (c.1026C>T) is associated with MYO7B-related disorder (ClinVar).

How common is MYO7B p.Asp342= (c.1026C>T) in the general population?

MYO7B p.Asp342= (c.1026C>T) is low-frequency (popmax 2.2%, afr) (gnomAD).

MYO7B p.Asp342=

c.1026C>T · rs61738426 · VCV3037528

Benign No assertion criteria

Classification

Benign

ClinVar

Review

No assertion criteria ☆☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

low-frequency (popmax 2.2%, afr)

Conditions

MYO7B-related disorder

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 -2.5	GERP -3.4
Overall
CADD	1.258	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 2.2% African / African-American · 1,648/75,062 alleles

Filtering AF 2.11% ClinGen BA1/BS1 input FAF95, joint · FAF99 2.07%

Overall 0.119% 1,922/1,613,462 alleles · low-frequency exomes 921/1,461,116 · genomes 1,001/152,346 · joint denominator

Ancestry group	Frequency	1 in
African / African-Americangrpmax	2.2%	46
Admixed American	0.197%	508
Remaining individualsnot grpmax-eligible	0.16%	625
Middle Eastern	0.0165%	6,062
South Asian	0.0143%	6,988
East Asian	0.00446%	22,435
European (non-Finnish)	0.00339%	29,494

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: MYO7B
Protein: p.Asp342=
Coding: c.1026C>T
MANE Select: NM_001393586
dbSNP: rs61738426
Type: single nucleotide variant
Location: chr2:127580768 (GRCh38)
Gene constraint: LOEUF 0.956 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 78.34 · 3 PDB
Residue 342: the myosin motor domain

Full MYO7B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

MYO7B-related disorder

Similar variants

MYO7B p.Ala397Ser Uncertain significance ⚠ same condition
MYO7B c.1081-10G>T Benign same condition
MYO7B c.1691-7T>C Benign same condition
MYO7B c.2339+4C>T Benign same condition
MYO7B c.4333+8C>A Likely benign same condition
MYO7B c.5714-7C>T Benign same condition
MYO7B c.5821-8T>C Benign same condition
MYO7B c.6123+9T>C Benign 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/myo7b-p-asp342 (accessed [today's date]).

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