COMP p.Pro488=
c.1464T>C · rs1417572804 · VCV1947770
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00334%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · A>T here scores Δ0.21 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 1.4 | GERP -1.6, phastCons 1 |
| Overall | ||
| CADD | 8.063 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00334%
Admixed American · 2/59,858 alleles
Filtering AF
0.000554%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000207%
Overall
0.000206%
3/1,459,520 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.00334% | 29,929 |
| South Asian | 0.0011% | 90,920 |
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.Pro488=
- Coding
- c.1464T>C
- MANE Select
- NM_000095
- dbSNP
- rs1417572804
- Type
- single nucleotide variant
- Location
- chr19:18785990 (GRCh38)
- Gene constraint
- LOEUF 1.073 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 88.60 · 1 PDB
- Residue 488
- the 'disordered' region; a disulfide bond
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-pro488 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown