Serine/threonine-protein phosphatase PP1-alpha catalytic subunit 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 ''PPP1CA''
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 protein encoded by this gene is one of the three catalytic subunits of
protein phosphatase 1
Protein phosphatase 1 (PP1) belongs to a certain class of phosphatases known as protein serine/threonine phosphatases. This type of phosphatase includes metal-dependent protein phosphatases (PPMs) and aspartate-based phosphatases. PP1 has been fo ...
(PP1). PP1 is a serine/threonine specific protein phosphatase known to be involved in the regulation of a variety of cellular processes, such as cell division, glycogen metabolism, muscle contractility, protein synthesis, and HIV-1 viral transcription. Increased PP1 activity has been observed in the end stage of heart failure. Studies in both human and mice suggest that PP1 is an important regulator of cardiac function. Three alternatively spliced transcript variants encoding different isoforms have been found for this gene.
Interactive pathway map
Interactions
PPP1CA has been shown to
interact with:
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AKAP11
A-kinase anchor protein 11 is an enzyme that in humans is encoded by the ''AKAP11'' gene.
Function
The A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins, which have the common function of binding to the regulatory s ...
,
*
BCL2-like 1,
*
BCL2L2,
[
* ]BRCA1
Breast cancer type 1 susceptibility protein is a protein that in humans is encoded by the ''BRCA1'' () gene. Orthologs are common in other vertebrate species, whereas invertebrate genomes may encode a more distantly related gene. ''BRCA1'' is a ...
,CDC5L
Cell division cycle 5-like protein is a protein that in humans is encoded by the ''CDC5L'' gene.
Function
The protein encoded by this gene shares a significant similarity with '' Schizosaccharomyces pombe'' cdc5 gene product, which is a cell ...
,PPP1R15A
Protein phosphatase 1 regulatory subunit 15A, also known as growth arrest and DNA damage-inducible protein (GADD34), is a protein that in humans is encoded by the ''PPP1R15A'' gene
In biology, the word gene has two meanings. The Mendelian g ...
,Protein kinase R
Protein kinase RNA-activated also known as protein kinase R (PKR), interferon-induced, double-stranded RNA-activated protein kinase, or eukaryotic translation initiation factor 2-alpha kinase 2 (EIF2AK2) is an enzyme that in humans is encoded by ...
,SMARCB1
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1 is a protein that in humans is encoded by the ''SMARCB1'' gene.
Function
The protein encoded by this gene is part of a complex that relieves repress ...
.[
]
References
Further reading
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{{PDB Gallery, geneid=5499