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CSMD2 p.Phe834=

c.2502C>T · rs143617019 · VCV2638635

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.568%, 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 -6GERP -5.5
Overall
CADD3.21PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.568% African / African-American · 426/74,974 alleles
Filtering AF 0.524% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.506%
Overall 0.0304% 490/1,609,954 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.568% 176
Middle Eastern 0.0496% 2,015
Remaining individualsnot grpmax-eligible 0.0385% 2,595
Admixed American 0.0318% 3,146
East Asian 0.00447% 22,368
European (non-Finnish) 0.00127% 78,492
South Asian 0.00111% 90,428

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
CSMD2
Protein
p.Phe834=
Coding
c.2502C>T
MANE Select
NM_001281956
dbSNP
rs143617019
Type
single nucleotide variant
Location
chr1:33726552 (GRCh38)
Gene constraint
LOEUF 0.364 · pLI 1.00 (gnomAD)
Residue 834
the cub 5 domain
Full CSMD2 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/csmd2-p-phe834 (accessed [today's date]).

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