SCP2 p.Ala256=
c.768A>G · rs1220261883 · VCV2869530
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.188 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.021 | GERP -1.4, phastCons 0.067 |
| Overall | ||
| CADD | 6.28 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/60,034 alleles
Overall
6.84e-05%
1/1,461,814 alleles · very rare
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
- SCP2
- Protein
- p.Ala256=
- Coding
- c.768A>G
- MANE Select
- NM_002979
- dbSNP
- rs1220261883
- Type
- single nucleotide variant
- Location
- chr1:52978310 (GRCh38)
- Gene constraint
- LOEUF 0.944 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 92.39 · 2 PDB
Similar variants
- SCP2 c.825+1G>T Pathogenic/Likely pathogenic ★★ same type
- SCP2 p.Gln371Ter Pathogenic ★★ same type
- SCP2 p.Ala359Val Uncertain significance ★★ ⚠ same type
- SCP2 p.Ala427Gly Uncertain significance ★★ ⚠ same type
- SCP2 p.Ala46Val Uncertain significance ★★ ⚠ same type
- SCP2 p.Ala545Asp Uncertain significance ★★ same type
- SCP2 p.Arg105Cys Uncertain significance ★★ ⚠ same type
- SCP2 p.Arg13Gln 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/scp2-p-ala256 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown