PTPRC p.Val879=
c.2637G>C · rs772752719 · VCV2856605
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, nfe)
Conditions
1
immunodeficiency 104
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 1.5 | GERP -1.7, phastCons 1 |
| Overall | ||
| CADD | 5.589 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00017%
European (non-Finnish) · 2/1,178,920 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000124%
2/1,612,328 alleles · very rare
exomes 2/1,460,420 · genomes 0/151,908 · joint denominator
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.Val879=
- Coding
- c.2637G>C
- MANE Select
- NM_002838
- dbSNP
- rs772752719
- Type
- single nucleotide variant
- Location
- chr1:198742307 (GRCh38)
- Gene constraint
- LOEUF 0.343 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 77.22 · 6 PDB
- Residue 879
- a β-strand; a UniProt-annotated variant site (in imd105); the tyrosine-protein phosphatase 1 domain
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-val879 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown