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- Table of Contents
Facts about Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform.
Isoform 2 regulates neuronal survival through the mitochondrial fission and fusion balance (By similarity). .
Human | |
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Gene Name: | PPP2R2B |
Uniprot: | Q00005 |
Entrez: | 5521 |
Belongs to: |
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phosphatase 2A regulatory subunit B family |
B55BETA; FLJ95686; MGC24888; PP2A subunit B isoform B55-beta; PP2A subunit B isoform beta; PP2A subunit B isoform PR55-beta; PP2A subunit B isoform R2-beta; PP2A, subunit B, B-beta isoform; PP2AB55BETA; PP2ABBETA; PP2APR55B; PP2APR55BETA; PR2AB55BETA; PR2ABBETA; PR2APR55BETA; PR52B; PR55BETA; PR55-BETA; protein phosphatase 2 (formerly 2A), regulatory subunit B (PR 52), beta isoform; protein phosphatase 2 (formerly 2A), regulatory subunit B, beta isoform; protein phosphatase 2, regulatory subunit B, beta; SCA12; serine/threonine protein phosphatase 2A, 55 kDa regulatory subunit B, betaisoform;
Mass (kDA):
51.71 kDA
Human | |
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Location: | 5q32 |
Sequence: | 5; NC_000005.10 (146580742..147081520, complement) |
Brain.
[Isoform 1]: Cytoplasm. Cytoplasm, cytoskeleton. Membrane.; [Isoform 2]: Cytoplasm. Mitochondrion. Mitochondrion outer membrane. Under basal conditions, localizes to both cytosolic and mitochondrial compartments. Relocalizes from the cytosolic to the mitochondrial compartment during apoptosis. Its targeting to the outer mitochondrial membrane (OMM) involves an association with import receptors of the TOM complex and is required to promote proapoptotic activity (By similarity).
PMID: 1849734 by Mayer R.E., et al. Structure of the 55-kDa regulatory subunit of protein phosphatase 2A: evidence for a neuronal-specific isoform.
PMID: 10581021 by Holmes S.E., et al. Expansion of a novel CAG trinucleotide repeat in the 5' region of PPP2R2B is associated with SCA12.