PRX p.Pro660=
c.1980G>A · rs777413169 · VCV416228
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00335%, amr)
Conditions
2
Inborn genetic diseases
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 -20 | GERP -3 |
| Overall | ||
| CADD | 0.075 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00335%
Admixed American · 2/59,750 alleles
Filtering AF
0.000555%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000429%
Overall
0.000931%
15/1,611,614 alleles · very rare
exomes 14/1,461,144 · genomes 1/150,470 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.00335% | 29,875 |
| South Asian | 0.0011% | 90,970 |
| European (non-Finnish) | 0.00102% | 98,297 |
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
- PRX
- Protein
- p.Pro660=
- Coding
- c.1980G>A
- MANE Select
- NM_181882
- dbSNP
- rs777413169
- Type
- single nucleotide variant
- Location
- chr19:40396372 (GRCh38)
- Gene constraint
- LOEUF 1.321 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 35.74 · 1 PDB
- Residue 660
- the '55 x 5 aa approximate tandem repeats of [lvmag]-[psreqc]-[edkl]-[livmap]-[aqkhrpe]; that may have a tripeptide spacer of [lv]-p-[ker]' region
Similar variants
- PRX p.Pro660Arg Uncertain significance ★★ ⚠ same residue
- PRX p.Pro660Leu Uncertain significance ★★ ⚠ same residue
- PRX c.184+2T>C Likely pathogenic ★★ same condition
- PRX p.Arg1070Ter Pathogenic/Likely pathogenic ★★ same condition
- PRX p.Arg196Ter Pathogenic/Likely pathogenic ★★ same condition
- PRX p.Arg364Ter Pathogenic ★★ same condition
- PRX p.Arg368Ter Pathogenic/Likely pathogenic ★★ same condition
- PRX p.Arg392Ter Pathogenic/Likely pathogenic ★★ same condition
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/prx-p-pro660 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown