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CLMN p.Pro261=

c.783C>G · rs780456472 · VCV3052247

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.231%, mid)
Conditions
1
CLMN-related disorder

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 2.4GERP -1.6, phastCons 1
Overall
CADD8.807PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.231% Middle Eastern · 14/6,048 alleles
Filtering AF 0.14% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.112%
Overall 0.00629% 101/1,606,088 alleles · rare
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.231% 432
South Asian 0.041% 2,438
Admixed American 0.0103% 9,746
Ashkenazi Jewishnot grpmax-eligible 0.0102% 9,810
Remaining individualsnot grpmax-eligible 0.00966% 10,354
East Asian 0.00455% 21,964
European (non-Finnish) 0.00272% 36,778
African / African-American 0.00135% 74,148

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
CLMN
Protein
p.Pro261=
Coding
c.783C>G
MANE Select
NM_024734
dbSNP
rs780456472
Type
single nucleotide variant
Location
chr14:95210705 (GRCh38)
Gene constraint
LOEUF 0.755 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 52.84
Residue 261
the calponin-homology (ch) 2 domain; the 'actin-binding' region
Full CLMN gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

CLMN-related disorder

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/clmn-p-pro261 (accessed [today's date]).

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