Ataxia - adult onset

STR: SCA17

Green List (high evidence)

Chromosome: 6
GRCh37 Position: 170870996-170871109
GRCh38 Position: 170561908-170562021
Repeated Sequence: CAG
Normal Number of Repeats: < or = 40
Pathogenic Number of Repeats: = or > 49

TBP (TATA-box binding protein)
EnsemblGeneIds (GRCh38): ENSG00000112592
EnsemblGeneIds (GRCh37): ENSG00000112592
OMIM: 600075, Gene2Phenotype
TBP is in 6 panels

1 review

Bryony Thompson (Royal Melbourne Hospital)

Green List (high evidence)

NM_003194.4:c.172_174[X]
Mechanism of disease expected to be gain of function
Normal: ≤ 40 CAG/CAA repeats
Reduced-penetrance: 41-48 CAG/CAA repeats, individual may or may not develop symptoms.
Full-penetrance: ≥49 CAG/CAA repeats
Sources: Expert list
Created: 27 Aug 2020, 12:38 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Spinocerebellar ataxia 17 MIM#607136

Publications

Clinically Relevant

Interruptions in the repeated sequence are reported as part of standard diagnostic practise

Details

Name
SCA17
Chromosome
6
GRCh37 Coordinates
170870996-170871109
GRCh38 Coordinates
170561908-170562021
Repeated Sequence
CAG
Normal Number of Repeats: < or =
40
Pathogenic Number of Repeats: = or >
49
Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Expert list
Phenotypes
  • Spinocerebellar ataxia 17 MIM#607136
Tags
STR
OMIM
600075
Clinvar variants
Variants in TBP
Penetrance
None
Publications

History Filter Activity

27 Aug 2020, Gel status: 3

Entity classified by Genomics England curator

Bryony Thompson (Royal Melbourne Hospital)

Str: sca17 has been classified as Green List (High Evidence).

27 Aug 2020, Gel status: 1

Created, Added New Source, Added Tag, Set mode of inheritance, Set publications, Set Phenotypes

Bryony Thompson (Royal Melbourne Hospital)

STR: SCA17 was added STR: SCA17 was added to Ataxia - adult onset. Sources: Expert list STR tags were added to STR: SCA17. Mode of inheritance for STR: SCA17 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for STR: SCA17 were set to 20301611; 29325606 Phenotypes for STR: SCA17 were set to Spinocerebellar ataxia 17 MIM#607136 Review for STR: SCA17 was set to GREEN STR: SCA17 was marked as clinically relevant