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FREM2 p.Arg217=

c.651C>G · rs774160840 · VCV2975432

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00534%, afr)

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 -0.19GERP -2.5, phastCons 0.32
Overall
CADD8.368PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00534% African / African-American · 4/74,922 alleles
Filtering AF 0.00175% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00104%
Overall 0.00031% 5/1,612,434 alleles · very rare exomes 0/1,460,204 · genomes 5/152,230 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00534% 18,730
Remaining individualsnot grpmax-eligible 0.0016% 62,362

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
FREM2
Protein
p.Arg217=
Coding
c.651C>G
MANE Select
NM_207361
dbSNP
rs774160840
Type
single nucleotide variant
Location
chr13:38687995 (GRCh38)
Gene constraint
LOEUF 0.588 · pLI <0.01 (gnomAD)
Full FREM2 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/frem2-p-arg217 (accessed [today's date]).

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