MAPT p.Tyr589=
c.1767C>T · rs750316359 · VCV1623151
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00364%, nfe)
Conditions
1
frontotemporal dementia
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 2.1 | GERP 6.5, phastCons 1 |
| Overall | ||
| CADD | 8.382 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00364%
European (non-Finnish) · 43/1,179,922 alleles
Filtering AF
0.00275%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00244%
Overall
0.00279%
45/1,612,228 alleles · very rare
exomes 41/1,460,094 · genomes 4/152,134 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.00364% | 27,440 |
| Remaining individualsnot grpmax-eligible | 0.00321% | 31,193 |
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
- MAPT
- Protein
- p.Tyr589=
- Coding
- c.1767C>T
- MANE Select
- NM_001377265
- dbSNP
- rs750316359
- Type
- single nucleotide variant
- Location
- chr17:45996433 (GRCh38)
- Gene constraint
- LOEUF 0.723 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 49.56 · 299 PDB
- Residue 589
- a UniProt-annotated variant site (in ftd1); a β-strand; the 'microtubule-binding domain' region
Similar variants
- MAPT c.1999-10G>T Pathogenic ★★ same condition
- MAPT c.2091+16C>T Pathogenic ★★ same condition
- MAPT c.2091+3G>A Pathogenic ★★ same condition
- MAPT p.Arg798Trp Pathogenic ★★ ⚠ same condition
- MAPT p.Asn671Lys Pathogenic ★★ ⚠ same condition
- MAPT p.Asn688= Pathogenic ★★ same condition
- MAPT p.Gln728His Pathogenic/Likely pathogenic ★★ ⚠ same condition
- MAPT p.Gly727Ser Pathogenic/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/mapt-p-tyr589 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown