COMP p.Leu539=
c.1617G>A · rs773740227 · VCV1897235
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)
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 | ||
| Conservation | phyloP 0.37 | GERP 0.91, phastCons 0.99 |
| Overall | ||
| CADD | 12.04 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.005%
Admixed American · 3/60,006 alleles
Filtering AF
0.00133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000668%
Overall
0.000186%
3/1,613,436 alleles · very rare
exomes 2/1,461,202 · genomes 1/152,234 · joint denominator
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.Leu539=
- Coding
- c.1617G>A
- MANE Select
- NM_000095
- dbSNP
- rs773740227
- Type
- single nucleotide variant
- Location
- chr19:18785724 (GRCh38)
- Gene constraint
- LOEUF 1.073 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 88.60 · 1 PDB
- Residue 539
- the tsp c-terminal domain; a β-strand; the 'mediates cell survival and induction of the iap family of survival proteins' region
Similar variants
- COMP p.Arg718Trp Pathogenic/Likely pathogenic ★★ same type
- COMP p.Asn489Lys Pathogenic/Likely pathogenic ★★ same type
- COMP p.Asn523Lys Pathogenic/Likely pathogenic ★★ ⚠ same type
- COMP p.Asn555Lys Pathogenic/Likely pathogenic ★★ same type
- COMP p.Asp269Gly Pathogenic/Likely pathogenic ★★ same type
- COMP p.Asp273Val Likely pathogenic ★★ same type
- COMP p.Asp326Asn Pathogenic/Likely pathogenic ★★ same type
- COMP p.Asp349His Pathogenic ★★ same type
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-leu539 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown