PCNT p.Ala917=
c.2751G>A · rs147495565 · VCV2901993
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0254%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -9.8 | GERP -11 |
| Overall | ||
| CADD | 0.387 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0254%
African / African-American · 19/74,940 alleles
Filtering AF
0.0166%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0137%
Overall
0.0031%
50/1,613,522 alleles · ultra-rare
exomes 35/1,461,302 · genomes 15/152,220 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0254% | 3,944 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,827 |
| European (non-Finnish) | 0.00229% | 43,705 |
| Finnishnot grpmax-eligible | 0.00158% | 63,470 |
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
- PCNT
- Protein
- p.Ala917=
- Coding
- c.2751G>A
- MANE Select
- NM_006031
- dbSNP
- rs147495565
- Type
- single nucleotide variant
- Location
- chr21:46366725 (GRCh38)
- Gene constraint
- LOEUF 0.943 · pLI <0.01 (gnomAD)
Similar variants
- PCNT p.Ala917Val Uncertain significance ★★ ⚠ same residue
- PCNT c.1032+1G>A Pathogenic/Likely pathogenic ★★ same type
- PCNT c.1680-1G>C Likely pathogenic ★★ same type
- PCNT c.3313-2A>C Likely pathogenic ★★ same type
- PCNT c.5995-2A>C Likely pathogenic ★★ same type
- PCNT c.7024+1G>A Likely pathogenic ★★ same type
- PCNT c.7024+1G>C Likely pathogenic ★★ same type
- PCNT c.7691-1G>A 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/pcnt-p-ala917 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown