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  3. PPP2R2B_CAG

Childhood onset hereditary spastic paraplegia

STR: PPP2R2B_CAG

Amber List (moderate evidence)
Chromosome: 5
GRCh37 Position: 146258292-146258321
GRCh38 Position: 146878729-146878758
Repeated Sequence: CAG
Normal Number of Repeats: < 33
Pathogenic Number of Repeats: = or > 43

PPP2R2B (protein phosphatase 2 regulatory subunit Bbeta)
EnsemblGeneIds (GRCh38): ENSG00000156475
EnsemblGeneIds (GRCh37): ENSG00000156475
OMIM: 604325, Gene2Phenotype
PPP2R2B is in 0 panels

2 reviews

Arina Puzriakova (Genomics England Curator)

STR repeat lengths have been reviewed and confirmed by the NHS Genomic Medicine Service.
Created: 15 Mar 2022, 3:41 p.m. | Last Modified: 15 Mar 2022, 3:41 p.m.
Panel Version: 2.130
Created: 15 Mar 2022, 3:41 p.m.
Last Modified: 15 Mar 2022, 3:41 p.m.
Panel version: 2.130

Louise Daugherty (Genomics England Curator)

I don't know

Comment on list classification: STR reviewed and discussed at the GMS Neurology Specialist Test Group Webex on 17th May Agreed to change the rating from Green to Amber.
Created: 22 May 2019, 11:43 a.m.
Green rating for STR submitted on behalf of James Polke (North Bristol NHS Trust), on behalf of London North GLH for GMS Neurology specialist test group.
Created: 28 Apr 2019, 4:22 p.m.
Source PanelApp panels : Hereditary spastic paraplegia Version 1.141
Sources: Expert list
Created: 21 Dec 2018, 2:21 p.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Spinocerebellar ataxia 12 604326

Created: 21 Dec 2018, 2:21 p.m.

Panel version: 1.177

Details

Name
PPP2R2B_CAG
Chromosome
5
GRCh37 Coordinates
146258292-146258321
GRCh38 Coordinates
146878729-146878758
Repeated Sequence
CAG
Normal Number of Repeats: <
33
Pathogenic Number of Repeats: = or >
43
Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • NHS GMS
  • Expert Review Amber
  • Expert list
Phenotypes
  • Spinocerebellar ataxia 12, OMIM:604326
Tags
STR
OMIM
604325
Clinvar variants
Variants in PPP2R2B
Penetrance
None

History Filter Activity

10 Mar 2022, Gel status: 2

Changed Normal Number of Repeats, Changed Pathogenic Number of Repeats, Added New Source

Arina Puzriakova (Genomics England Curator)

Normal Number of Repeats for PPP2R2B_CAG was changed from 32 to 33. Pathogenic Number of Repeats for PPP2R2B_CAG was changed from 51 to 43. Source NHS GMS was added to STR: PPP2R2B_CAG.

10 Nov 2021, Gel status: 2

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for STR: PPP2R2B_CAG were changed from Spinocerebellar ataxia 12 604326 to Spinocerebellar ataxia 12, OMIM:604326

22 May 2019, Gel status: 2

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Str: ppp2r2b_cag has been classified as Amber List (Moderate Evidence).

28 Jan 2019, Gel status: 3

Panel promoted to version 1.0

Louise Daugherty (Genomics England Curator)

Louise Daugherty: Source PanelApp panels : Hered

21 Dec 2018, Gel status: 3

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Str: ppp2r2b_cag has been classified as Green List (High Evidence).

21 Dec 2018, Gel status: 1

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

Louise Daugherty (Genomics England Curator)

STR: PPP2R2B_CAG was added STR: PPP2R2B_CAG was added to Hereditary spastic paraplegia - childhood onset. Sources: Expert list STR tags were added to STR: PPP2R2B_CAG. Mode of inheritance for STR: PPP2R2B_CAG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Phenotypes for STR: PPP2R2B_CAG were set to Spinocerebellar ataxia 12 604326 Review for STR: PPP2R2B_CAG was set to GREEN