TTBK2

Chr 15AD

tau tubulin kinase 2

Also known as: SCA11, TTBK

This gene encodes a serine-threonine kinase that putatively phosphorylates tau and tubulin proteins. Mutations in this gene cause spinocerebellar ataxia type 11 (SCA11); a neurodegenerative disease characterized by progressive ataxia and atrophy of the cerebellum and brainstem. [provided by RefSeq, Aug 2009]

GeneReviewsOMIMResearchGenerating clinical summary…

Primary Disease Associations & Inheritance

Spinocerebellar ataxia 11MIM #604432
AD

Clinical highlights

Interpreting a novel variant
This gene is strongly intolerant of loss-of-function variation in the population, so LoF variants warrant close attention. No curated mechanism annotation is available — see the mechanism card for the computational prediction and its caveats.Based on population constraint only.
1
Active trials
13
Pubs (1 yr)
P/LP submissions
P/LP missense
0.26
LOEUF· LoF intol.
Multiple*
Mechanism· predicted
📖
GeneReview available — TTBK2
Authoritative clinical overview · Recommended first read
Open GeneReview ↗

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

LoF intolerant — likely haploinsufficient
LoF Constraint?
0.26LOEUF
pLI 0.999
Z-score 5.66
OE 0.14 (0.080.26)
Highly constrained

Highly LoF-intolerant (top ~10% of genes)

Missense Constraint?
1.39Z-score
OE missense 0.85 (0.790.91)
558 obs / 658.5 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.14 (0.080.26)
00.351.4
Missense OE?0.85 (0.790.91)
00.61.4
Synonymous OE?0.99
01.21.6
LoF obs/exp: 7 / 50.3Missense obs/exp: 558 / 658.5Syn Z: 0.10

ClinVar

No ClinVar data available.

Protein Context — Lollipop Plot

TTBK2 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.