PTPRC p.Cys276=
c.828T>C · rs141245419 · VCV1577926
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00373%, nfe)
Conditions
1
immunodeficiency 104
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 -1.1 | GERP -3.7 |
| Overall | ||
| CADD | 0.914 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00373%
European (non-Finnish) · 44/1,179,640 alleles
Filtering AF
0.00283%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00252%
Overall
0.00285%
46/1,613,572 alleles · very rare
exomes 43/1,461,330 · genomes 3/152,242 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.00373% | 26,810 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,234 |
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
- PTPRC
- Protein
- p.Cys276=
- Coding
- c.828T>C
- MANE Select
- NM_002838
- dbSNP
- rs141245419
- Type
- single nucleotide variant
- Location
- chr1:198706876 (GRCh38)
- Gene constraint
- LOEUF 0.343 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 77.22 · 6 PDB
Similar variants
- PTPRC c.583+1G>A Likely pathogenic ★★ same condition
- PTPRC c.583+1G>T Likely pathogenic ★★ same condition
- PTPRC p.Arg890Ter Pathogenic/Likely pathogenic ★★ same condition
- PTPRC c.1830-3C>T Uncertain significance ★★ same condition
- PTPRC c.3509+5G>A Uncertain significance ★★ same condition
- PTPRC p.Ala113Ser Uncertain significance ★★ ⚠ same condition
- PTPRC p.Ala191Val Uncertain significance ★★ ⚠ same condition
- PTPRC p.Ala60Thr Uncertain significance ★★ ⚠ 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/ptprc-p-cys276 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown