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MSH3 p.Arg20=

c.60G>A · rs1416287946 · VCV1152265

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Not reported
no allele count reported in gnomAD v4.1 (AN 1,607,242)
Conditions
1
hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not looked up on this page · why
Constraint at this position
ConservationphyloP 0.97GERP -3.3, phastCons 0.98
Overall
CADD6.818PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,607,242). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene
MSH3
Protein
p.Arg20=
Coding
c.60G>A
MANE Select
NM_000791 · reported on NM_002439
dbSNP
rs1416287946
Type
single nucleotide variant
Location
chr5:80654787 (GRCh38)
Full MSH3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

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/msh3-p-arg20 (accessed [today's date]).

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