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COMP p.Leu16=

c.48C>T · VCV3350924

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.017%, sas)
Conditions
1
COMP-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 -2.3GERP -2.9
Overall
CADD0.976PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.017% South Asian · 15/87,996 alleles
Filtering AF 0.0105% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00848%
Overall 0.00106% 17/1,596,300 alleles · ultra-rare exomes 17/1,443,966 · genomes 0/152,334 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.017% 5,866
European (non-Finnish) 0.00017% 586,548

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
COMP
Protein
p.Leu16=
Coding
c.48C>T
MANE Select
NM_000095
Type
single nucleotide variant
Location
chr19:18791222 (GRCh38)
Gene constraint
LOEUF 1.073 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 88.60 · 1 PDB
Full COMP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

COMP-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/comp-p-leu16 (accessed [today's date]).

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