PRKAR1B p.Pro273=
c.819C>T · rs199622718 · VCV730203
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.108%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.1 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -9.1 | GERP -4.1 |
| Overall | ||
| CADD | 1.066 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.108%
Admixed American · 65/60,034 alleles
Filtering AF
0.0871%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0795%
Overall
0.0481%
777/1,614,150 alleles · rare
exomes 728/1,461,782 · genomes 49/152,368 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.108% | 924 |
| Remaining individualsnot grpmax-eligible | 0.056% | 1,786 |
| European (non-Finnish) | 0.0542% | 1,847 |
| Middle Eastern | 0.0495% | 2,021 |
| South Asian | 0.0253% | 3,960 |
| African / African-American | 0.0133% | 7,507 |
| East Asian | 0.00446% | 22,443 |
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
- PRKAR1B
- Protein
- p.Pro273=
- Coding
- c.819C>T
- MANE Select
- NM_001164760
- dbSNP
- rs199622718
- Type
- single nucleotide variant
- Location
- chr7:579328 (GRCh38)
- Gene constraint
- LOEUF 0.686 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.24 · 3 PDB
Similar variants
- PRKAR1B p.Arg335Trp Pathogenic/Likely pathogenic ★★ same type
- DNAAF5 p.Asp87Tyr Uncertain significance ★★ ⚠ same type
- DNAAF5 p.Cys138Gly Uncertain significance ★★ ⚠ same type
- DNAAF5 p.Glu8Ala Uncertain significance ★★ ⚠ same type
- DNAAF5 p.Gly150Arg Uncertain significance ★★ ⚠ same type
- DNAAF5 p.Val6Ala Uncertain significance ★★ ⚠ same type
- PRKAR1B p.Ala204Val Uncertain significance ★★ ⚠ same type
- PRKAR1B p.Ala6Thr Uncertain significance ★★ ⚠ 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/prkar1b-p-pro273 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown