HTRA1 p.Pro193=
c.579G>A · rs772327746 · VCV1537254
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
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 -2.6 | GERP -4.4 |
| Overall | ||
| CADD | 6.64 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,882 alleles
Filtering AF
0.000247%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000159%
Overall
0.000558%
9/1,614,030 alleles · very rare
exomes 8/1,461,862 · genomes 1/152,168 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00223% | 44,882 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,490 |
| European (non-Finnish) | 0.000593% | 168,575 |
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
- HTRA1
- Protein
- p.Pro193=
- Coding
- c.579G>A
- MANE Select
- NM_002775
- dbSNP
- rs772327746
- Type
- single nucleotide variant
- Location
- chr10:122489428 (GRCh38)
- Gene constraint
- LOEUF 0.873 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 83.30 · 18 PDB
- Residue 193
- a turn
Similar variants
- HTRA1 p.Pro193Leu Uncertain significance ★★ ⚠ same residue
- HTRA1 c.972+1G>A Pathogenic/Likely pathogenic ★★ same type
- HTRA1 p.Arg166Cys Pathogenic/Likely pathogenic ★★ same type
- HTRA1 p.Arg166His Pathogenic/Likely pathogenic ★★ same type
- HTRA1 p.Arg166Leu Pathogenic ★★ same type
- HTRA1 p.Arg274Gln Pathogenic/Likely pathogenic ★★ same type
- HTRA1 p.Arg302Gln Pathogenic/Likely pathogenic ★★ same type
- HTRA1 p.Arg302Ter Pathogenic/Likely 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/htra1-p-pro193 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown