PPP1CB p.Pro324=
c.972G>C · rs771187371 · VCV2126156
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 4.6 | GERP 2.4, phastCons 1 |
| Overall | ||
| CADD | 17.56 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- PPP1CB
- Protein
- p.Pro324=
- Coding
- c.972G>C
- MANE Select
- NM_002709
- dbSNP
- rs771187371
- Type
- single nucleotide variant
- Location
- chr2:28799291 (GRCh38)
- Gene constraint
- LOEUF 0.247 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 91.91
- Residue 324
- the 'disordered' region
Similar variants
- PPP1CB p.Pro324Leu Uncertain significance ★ ⚠ same residue
- PPP1CB p.Ala56Pro Likely pathogenic ★★★ ⚠ same type
- PPP1CB p.Glu183Ala Pathogenic ★★★ ⚠ same type
- PPP1CB p.Glu183Val Pathogenic ★★★ same type
- PPP1CB p.Glu274Lys Likely pathogenic ★★★ same type
- PPP1CB p.Pro49Arg Pathogenic ★★★ same type
- PPP1CB c.53-9G>A Benign ★★★ same type
- PPP1CB p.Asp9= Benign ★★★ 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/ppp1cb-p-pro324 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown