TYMP p.His283=
c.849C>T · rs2522519157 · VCV2748588
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Not reported
no allele count reported in gnomAD v4.1 (AN 1,560,650)
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 0.41 | GERP -0.58, phastCons 0.021 |
| Overall | ||
| CADD | 7.977 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
No allele count reported in gnomAD v4.1 (AN 1,560,650). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.
Variant & gene context
- Gene
- TYMP
- Protein
- p.His283=
- Coding
- c.849C>T
- MANE Select
- NM_001953
- dbSNP
- rs2522519157
- Type
- single nucleotide variant
- Location
- chr22:50526655 (GRCh38)
- Gene constraint
- LOEUF 1.518 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 92.82 · 4 PDB
- Residue 283
- a β-strand
Similar variants
- TYMP p.His283Asp Uncertain significance ★ ⚠ same residue
- TYMP c.1301-1G>A Likely pathogenic ★★ same type
- TYMP c.214+1G>T Likely pathogenic ★★ same type
- TYMP c.417+1G>A Pathogenic ★★ same type
- TYMP c.418-1G>A Likely pathogenic ★★ same type
- TYMP c.646+1G>A Pathogenic/Likely pathogenic ★★ same type
- TYMP c.647-1G>A Pathogenic/Likely pathogenic ★★ same type
- TYMP p.Ala216Val 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/tymp-p-his283 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown