TFR2 p.Arg67=
c.201G>A · rs1338232824 · VCV2830222
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00224%, eas)
Conditions
1
hereditary hemochromatosis
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 -0.012 | GERP 1.8 |
| Overall | ||
| CADD | 5.045 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00224%
East Asian · 1/44,658 alleles
Overall
0.000125%
2/1,603,764 alleles · very rare
exomes 2/1,451,550 · genomes 0/152,214 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00224% | 44,658 |
| European (non-Finnish) | 8.52e-05% | 1,174,186 |
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
- TFR2
- Protein
- p.Arg67=
- Coding
- c.201G>A
- MANE Select
- NM_003227
- dbSNP
- rs1338232824
- Type
- single nucleotide variant
- Location
- chr7:100641061 (GRCh38)
- Gene constraint
- LOEUF 0.907 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 83.98
Similar variants
- TFR2 p.Arg67Lys Uncertain significance ★ ⚠ same residue
- TFR2 c.1473+1G>A Likely pathogenic ★★ same condition
- TFR2 c.1474-1G>A Likely pathogenic ★★ same condition
- TFR2 c.1606-2A>G Pathogenic ★★ same condition
- TFR2 c.1767+1G>T Likely pathogenic ★★ same condition
- TFR2 c.286+1G>T Likely pathogenic ★★ same condition
- TFR2 c.286+2T>C Likely pathogenic ★★ same condition
- TFR2 c.34-2A>G Likely pathogenic ★★ 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/tfr2-p-arg67 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown