PPP2R5A
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Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit alpha isoform is an
enzyme An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different mol ...
that in humans is encoded by the ''PPP2R5A''
gene In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protei ...
.


Function

The product of this gene belongs to the phosphatase 2A regulatory subunit B family. Protein phosphatase 2A is one of the four major Ser/Thr phosphatases, and it is implicated in the negative control of cell growth and division. It consists of a common heteromeric core enzyme, which is composed of a catalytic subunit and a constant regulatory subunit, that associates with a variety of regulatory subunits. The B regulatory subunit might modulate substrate selectivity and catalytic activity. This gene encodes an alpha isoform of the regulatory subunit B56 subfamily.


Interactions

PPP2R5A has been shown to interact with: *
AXIN1 Axin-1 is a protein that in humans is encoded by the ''AXIN1'' gene. Function This gene encodes a cytoplasmic protein which contains a regulation of G-protein signaling (RGS) domain and a dishevelled and axin (DIX) domain. The encoded protei ...
, *
CTLA-4 Cytotoxic T-lymphocyte associated protein 4, (CTLA-4) also known as CD152 ( cluster of differentiation 152), is a protein receptor that functions as an immune checkpoint and downregulates immune responses. CTLA-4 is constitutively expressed in ...
, *
PPP2CA Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform is an enzyme that (in humans) is encoded by the ''PPP2CA'' gene. Function This gene encodes the phosphatase 2A catalytic subunit. Protein phosphatase 2A is one of the fo ...
, *
PPP2R1A Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform is an enzyme that in humans is encoded by the ''PPP2R1A'' gene. In the plant Arabidopsis thaliana a similar enzyme is encoded by the RCN1 gene (At1g25490). Functi ...
, *
PPP2R1B Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A beta isoform is an enzyme that in humans is encoded by the ''PPP2R1B'' gene. Function This gene encodes a constant regulatory subunit of protein phosphatase 2. Protein phosph ...
, and * PPP2R5C


References


Further reading

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