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Protein kinase A

Index Protein kinase A

In cell biology, protein kinase A (PKANot to be confused with pKa, the symbol for the acid dissociation constant.) is a family of enzymes whose activity is dependent on cellular levels of cyclic AMP (cAMP). [1]

117 relations: A-kinase-anchoring protein, Acetyl-CoA carboxylase, Acetylcholine, Acid dissociation constant, Adenylyl cyclase, Adipocyte, Adrenaline, Adrenergic agonist, Adrenergic receptor, Alpha-2 adrenergic receptor, Amino acid, Aquaporin 2, Arginine, Beta-2 adrenergic receptor, CAMP-dependent pathway, Cardiac muscle, Casein kinase 2, Cell biology, Cell membrane, Cell type, Circulatory system, Collecting duct system, Conformational change, CREB, Cyclic adenosine monophosphate, Dopamine, Dopamine receptor, Enzyme, Epithelial sodium channel, Exocytosis, Fundamentals of Biochemistry, G protein–coupled receptor, Gi alpha subunit, Glucagon, Glucagon receptor, Gluconeogenesis, Glucose, Glycogen, Glycogen phosphorylase, Glycogen synthase, Glycogenesis, Glycogenolysis, Glycolysis, Gs alpha subunit, Hepatocyte, Histamine, Histamine H2 receptor, Imidazoline receptor, Juxtaglomerular cell, Kidney, ..., Ligand, Lipase, Lipid, Lipogenesis, Lipolysis, Liver, Metabolism, Muscarinic acetylcholine receptor M2, Muscarinic agonist, Muscular system, Myocyte, Myosin light-chain kinase, Na-K-Cl cotransporter, Nervous system, Neuron, Neuropeptide Y, Neuropeptide Y receptor, Norepinephrine, Nucleus accumbens, Parathyroid hormone, Parathyroid hormone 1 receptor, Phosphodiesterase, Phosphodiesterase inhibitor, Phosphofructokinase 2, Phospholamban, Phosphorylase kinase, Phosphorylation, PRKACA, PRKACB, PRKACG, PRKAR1A, PRKAR1B, PRKAR2A, PRKAR2B, Prostacyclin, Prostacyclin receptor, Prostaglandin D2, Prostaglandin D2 receptor, Prostaglandin E2, Prostaglandin E2 receptor, Protein, Protein kinase, Proximal tubule, Pseudokinase, Pyruvate dehydrogenase, Pyruvate kinase, Renin, Reward system, Salience (neuroscience), Sarcoplasmic reticulum, Serine, Serine/threonine-specific protein kinase, Signal transduction, Skeletal muscle, Smooth muscle tissue, Sodium–hydrogen antiporter 3, Substrate (chemistry), Sugar, Theophylline, Threonine, Transcription (biology), Urea transporter, Vasoactive intestinal peptide, Vasoactive intestinal peptide receptor, Vasodilation, Vasopressin, Vasopressin receptor 2. Expand index (67 more) »

A-kinase-anchoring protein

The A-kinase anchoring proteins or A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins, which have the common function of binding to the regulatory subunit of protein kinase A (PKA) and confining the holoenzyme to discrete locations within the cell.

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Acetyl-CoA carboxylase

Acetyl-CoA carboxylase (ACC) is a biotin-dependent enzyme that catalyzes the irreversible carboxylation of acetyl-CoA to produce malonyl-CoA through its two catalytic activities, biotin carboxylase (BC) and carboxyltransferase (CT).

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Acetylcholine

Acetylcholine (ACh) is an organic chemical that functions in the brain and body of many types of animals, including humans, as a neurotransmitter—a chemical message released by nerve cells to send signals to other cells.

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Acid dissociation constant

An acid dissociation constant, Ka, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution.

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Adenylyl cyclase

Adenylyl cyclase (also commonly known as adenyl cyclase and adenylate cyclase, abbreviated AC) is an enzyme with key regulatory roles in essentially all cells.

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Adipocyte

Adipocytes, also known as lipocytes and fat cells, are the cells that primarily compose adipose tissue, specialized in storing energy as fat.

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Adrenaline

Adrenaline, also known as adrenalin or epinephrine, is a hormone, neurotransmitter, and medication.

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Adrenergic agonist

An adrenergic agonist is a drug that stimulates a response from the adrenergic receptors.

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Adrenergic receptor

The adrenergic receptors (or adrenoceptors) are a class of G protein-coupled receptors that are targets of the catecholamines, especially norepinephrine (noradrenaline) and epinephrine (adrenaline).

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Alpha-2 adrenergic receptor

The alpha-2 (α2) adrenergic receptor (or adrenoceptor) is a G protein-coupled receptor (GPCR) associated with the Gi heterotrimeric G-protein.

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Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Aquaporin 2

AQP2 is found in the apical cell membranes of the kidney's collecting duct principal cells and in intracellular vesicles located throughout the cell.

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Arginine

Arginine (symbol Arg or R) is an α-amino acid that is used in the biosynthesis of proteins.

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Beta-2 adrenergic receptor

The beta-2 adrenergic receptor (β2 adrenoreceptor), also known as ADRB2, is a cell membrane-spanning beta-adrenergic receptor that interacts with (binds) epinephrine, a hormone and neurotransmitter (ligand synonym, adrenaline) whose signaling, via a downstream L-type calcium channel interaction, mediates physiologic responses such as smooth muscle relaxation and bronchodilation.

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CAMP-dependent pathway

In the field of molecular biology, the cAMP-dependent pathway, also known as the adenylyl cyclase pathway, is a G protein-coupled receptor-triggered signaling cascade used in cell communication.

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Cardiac muscle

Cardiac muscle (heart muscle) is one of the three major types of muscle, the others being skeletal and smooth muscle.

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Casein kinase 2

Casein kinase 2(CK2/CSNK2) is a serine/threonine-selective protein kinase that has been implicated in cell cycle control, DNA repair, regulation of the circadian rhythm, and other cellular processes.

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Cell biology

Cell biology (also called cytology, from the Greek κυτος, kytos, "vessel") is a branch of biology that studies the structure and function of the cell, the basic unit of life.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Cell type

A cell type is a classification used to distinguish between morphologically or phenotypically distinct cell forms within a species.

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Circulatory system

The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.

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Collecting duct system

The collecting duct system of the kidney consists of a series of tubules and ducts that physically connect nephrons to a minor calyx or directly to the renal pelvis.

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Conformational change

In biochemistry, a conformational change is a change in the shape of a macromolecule, often induced by environmental factors.

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CREB

CREB (cAMP response element-binding protein) is a cellular transcription factor.

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Cyclic adenosine monophosphate

Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger important in many biological processes.

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Dopamine

Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body.

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Dopamine receptor

Dopamine receptors are a class of G protein-coupled receptors that are prominent in the vertebrate central nervous system (CNS).

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Enzyme

Enzymes are macromolecular biological catalysts.

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Epithelial sodium channel

The epithelial sodium channel (short: eNaC, also: amiloride-sensitive sodium channel) is a membrane-bound ion channel that is selectively permeable to Na+ ions and that is assembled as a heterotrimer composed of three homologous subunits α or δ, β, and γ, These subunits are encoded by four genes: SCNN1A, SCNN1B, SCNN1G, and SCNN1D.

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Exocytosis

Exocytosis is a form of active transport in which a cell transports molecules (e.g., neurotransmitters and proteins) out of the cell (exo- + cytosis) by expelling them through an energy-dependent process.

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Fundamentals of Biochemistry

Fundamentals of Biochemistry: Life at the Molecular Level is a biochemistry textbook written by Donald Voet, Judith G. Voet and Charlotte W. Pratt.

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G protein–coupled receptor

G protein–coupled receptors (GPCRs), also known as seven-(pass)-transmembrane domain receptors, 7TM receptors, heptahelical receptors, serpentine receptor, and G protein–linked receptors (GPLR), constitute a large protein family of receptors that detect molecules outside the cell and activate internal signal transduction pathways and, ultimately, cellular responses.

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Gi alpha subunit

Gi alpha subunit (Gαi, or Gi/G0 or Gi protein) is a heterotrimeric G protein subunit that inhibits the production of cAMP from ATP.

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Glucagon

Glucagon is a peptide hormone, produced by alpha cells of the pancreas.

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Glucagon receptor

The glucagon receptor is a 62 kDa protein that is activated by glucagon and is a member of the class B G-protein coupled family of receptors, coupled to G alpha i, Gs and to a lesser extent G alpha q. Stimulation of the receptor results in activation of adenylate cyclase and increased levels of intracellular cAMP.

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Gluconeogenesis

Gluconeogenesis (GNG) is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates.

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Glucose

Glucose is a simple sugar with the molecular formula C6H12O6.

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Glycogen

Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

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Glycogen phosphorylase

Glycogen phosphorylase is one of the phosphorylase enzymes.

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Glycogen synthase

Glycogen synthase (UDP-glucose-glycogen glucosyltransferase) is a key enzyme in glycogenesis, the conversion of glucose into glycogen.

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Glycogenesis

Glycogenesis is the process of glycogen synthesis, in which glucose molecules are added to chains of glycogen for storage.

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Glycogenolysis

Glycogenolysis is the breakdown of glycogen (n) to glucose-6-phosphate and glycogen (n-1).

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Glycolysis

Glycolysis (from glycose, an older term for glucose + -lysis degradation) is the metabolic pathway that converts glucose C6H12O6, into pyruvate, CH3COCOO− + H+.

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Gs alpha subunit

The Gs alpha subunit (Gαs, Gsα, or Gs protein) is a heterotrimeric G protein subunit that activates the cAMP-dependent pathway by activating adenylyl cyclase.

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Hepatocyte

A hepatocyte is a cell of the main parenchymal tissue of the liver.

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Histamine

Histamine is an organic nitrogenous compound involved in local immune responses, as well as regulating physiological function in the gut and acting as a neurotransmitter for the brain, spinal cord, and uterus.

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Histamine H2 receptor

H2 receptors are positively coupled to adenylate cyclase via Gs.

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Imidazoline receptor

Imidazoline receptors are the primary receptors on which clonidine and other imidazolines act.

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Juxtaglomerular cell

The juxtaglomerular cells (JG cells, or granular cells) are cells in the kidney that synthesize, store, and secrete the enzyme renin.

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Kidney

The kidneys are two bean-shaped organs present in left and right sides of the body in vertebrates.

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Ligand

In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.

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Lipase

A lipase is any enzyme that catalyzes the hydrolysis of fats (lipids).

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Lipid

In biology and biochemistry, a lipid is a biomolecule that is soluble in nonpolar solvents.

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Lipogenesis

Lipogenesis is the process by which acetyl-CoA is converted to fatty acids.

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Lipolysis

Lipolysis is the breakdown of lipids and involves hydrolysis of triglycerides into glycerol and free fatty acids.

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Liver

The liver, an organ only found in vertebrates, detoxifies various metabolites, synthesizes proteins, and produces biochemicals necessary for digestion.

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Metabolism

Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms.

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Muscarinic acetylcholine receptor M2

The muscarinic acetylcholine receptor M2, also known as the cholinergic receptor, muscarinic 2, is a muscarinic acetylcholine receptor that in humans is encoded by the CHRM2 gene.

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Muscarinic agonist

A muscarinic agonist is an agent that activates the activity of the muscarinic acetylcholine receptor.

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Muscular system

The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles.

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Myocyte

A myocyte (also known as a muscle cell) is the type of cell found in muscle tissue.

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Myosin light-chain kinase

Myosin light-chain kinase also known as MYLK or MLCK is a serine/threonine-specific protein kinase that phosphorylates a specific myosin light chain, namely, the regulatory light chain of myosin II.

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Na-K-Cl cotransporter

The Na-K-Cl cotransporter (NKCC) is a protein that aids in the active transport of sodium, potassium, and chloride into cells.

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Nervous system

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

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Neuron

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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Neuropeptide Y

Neuropeptide Y (NPY) is a 36 amino-acid neuropeptide that is involved in various physiological and homeostatic processes in both the central and peripheral nervous systems.

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Neuropeptide Y receptor

Neuropeptide Y receptors are a family of receptors belonging to class A G-protein coupled receptors and they are activated by the closely related peptide hormones neuropeptide Y, peptide YY and pancreatic polypeptide.

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Norepinephrine

Norepinephrine (NE), also called noradrenaline (NA) or noradrenalin, is an organic chemical in the catecholamine family that functions in the brain and body as a hormone and neurotransmitter.

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Nucleus accumbens

The nucleus accumbens (NAc or NAcc), also known as the accumbens nucleus, or formerly as the nucleus accumbens septi (Latin for nucleus adjacent to the septum) is a region in the basal forebrain rostral to the preoptic area of the hypothalamus.

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Parathyroid hormone

Parathyroid hormone (PTH), also called parathormone or parathyrin, is a hormone secreted by the parathyroid glands that is important in bone remodeling, which is an ongoing process in which bone tissue is alternately resorbed and rebuilt over time.

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Parathyroid hormone 1 receptor

Parathyroid hormone/parathyroid hormone-related peptide receptor, also known as parathyroid hormone 1 receptor (PTH1R), is a protein that in humans is encoded by the PTH1R gene.

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Phosphodiesterase

A phosphodiesterase (PDE) is an enzyme that breaks a phosphodiester bond.

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Phosphodiesterase inhibitor

A phosphodiesterase inhibitor is a drug that blocks one or more of the five subtypes of the enzyme phosphodiesterase (PDE), thereby preventing the inactivation of the intracellular second messengers cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) by the respective PDE subtype(s).

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Phosphofructokinase 2

Phosphofructokinase-2 (6-phosphofructo-2-kinase, PFK-2) or fructose bisphosphatase-2 (FBPase-2), is an enzyme indirectly responsible for regulating the rates of glycolysis and gluconeogenesis in cells.

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Phospholamban

Phospholamban, also known as PLN or PLB, is a protein that in humans is encoded by the PLN gene.

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Phosphorylase kinase

Phosphorylase kinase (PhK) is a serine/threonine-specific protein kinase which activates glycogen phosphorylase to release glucose-1-phosphate from glycogen.

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Phosphorylation

In chemistry, phosphorylation of a molecule is the attachment of a phosphoryl group.

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PRKACA

The catalytic subunit α of protein kinase A is a key regulatory enzyme that in humans is encoded by the PRKACA gene.

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PRKACB

cAMP-dependent protein kinase catalytic subunit beta is an enzyme that in humans is encoded by the PRKACB gene.

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PRKACG

cAMP-dependent protein kinase catalytic subunit gamma is an enzyme that in humans is encoded by the PRKACG gene.

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PRKAR1A

cAMP-dependent protein kinase type I-alpha regulatory subunit is an enzyme that in humans is encoded by the PRKAR1A gene.

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PRKAR1B

cAMP-dependent protein kinase type I-beta regulatory subunit is an enzyme that in humans is encoded by the PRKAR1B gene.

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PRKAR2A

cAMP-dependent protein kinase type II-alpha regulatory subunit is an enzyme that in humans is encoded by the PRKAR2A gene.

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PRKAR2B

cAMP-dependent protein kinase type II-beta regulatory subunit is an enzyme that in humans is encoded by the PRKAR2B gene.

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Prostacyclin

Prostacyclin (also called prostaglandin I2 or PGI2) is a prostaglandin member of the eicosanoid family of lipid molecules.

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Prostacyclin receptor

The Prostacyclin receptor, also termed the prostaglandin I2 receptor or just IP, is a receptor belonging to the prostaglandin (PG) group of receptors.

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Prostaglandin D2

Prostaglandin D2 (or PGD2) is a prostaglandin that binds to the receptor PTGDR (DP1), as well as CRTH2 (DP2).

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Prostaglandin D2 receptor

The prostaglandin D2 (PGD2) receptors are G protein-coupled receptors that bind and are activated by prostaglandin D2.

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Prostaglandin E2

Prostaglandin E2 (PGE2), also known as dinoprostone, is a naturally occurring prostaglandin which is used as a medication.

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Prostaglandin E2 receptor

The prostaglandin E2 (PGE2) receptors are G protein-coupled receptors that bind and are activated by prostaglandin E2.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Protein kinase

A protein kinase is a kinase enzyme that modifies other proteins by chemically adding phosphate groups to them (phosphorylation).

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Proximal tubule

The proximal tubule is the portion of the duct system of the nephron of the kidney which leads from Bowman's capsule to the loop of Henle.

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Pseudokinase

Within the field of molecular biology, pseudokinases are catalytically-deficient pseudoenzyme variants of protein kinases that are represented in all kinomes across the kingdoms of life.

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Pyruvate dehydrogenase

Pyruvate dehydrogenase is the first component enzyme of pyruvate dehydrogenase complex (PDC).

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Pyruvate kinase

X-ray Crystallography Derived --> Pyruvate kinase is the enzyme that catalyzes the final step of glycolysis.

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Renin

Renin (etymology and pronunciation), also known as an angiotensinogenase, is an aspartic protease protein and enzyme secreted by the kidneys that participates in the body's renin–angiotensin–aldosterone system (RAAS)—also known as the renin–angiotensin–aldosterone axis—that mediates the volume of extracellular fluid (blood plasma, lymph and interstitial fluid), and arterial vasoconstriction.

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Reward system

The reward system is a group of neural structures responsible for incentive salience (i.e., motivation and "wanting", desire, or craving for a reward), associative learning (primarily positive reinforcement and classical conditioning), and positive emotions, particularly ones which involve pleasure as a core component (e.g., joy, euphoria and ecstasy).

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Salience (neuroscience)

The salience (also called saliency) of an item – be it an object, a person, a pixel, etc.

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Sarcoplasmic reticulum

The sarcoplasmic reticulum (SR) is a membrane-bound structure found within muscle cells that is similar to the endoplasmic reticulum in other cells.

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Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

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Serine/threonine-specific protein kinase

A serine/threonine protein kinase is a kinase enzyme that phosphorylates the OH group of serine or threonine (which have similar sidechains).

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Signal transduction

Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which ultimately results in a cellular response.

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Skeletal muscle

Skeletal muscle is one of three major muscle types, the others being cardiac muscle and smooth muscle.

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Smooth muscle tissue

Smooth muscle is an involuntary non-striated muscle.

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Sodium–hydrogen antiporter 3

Sodium–hydrogen antiporter 3 also known as sodium–hydrogen exchanger 3 (NHE3) or solute carrier family 9 member 3 (SLC9A3) is a protein that in humans is encoded by the SLC9A3 gene.

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Substrate (chemistry)

In chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which reacts with a reagent to generate a product.

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Sugar

Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food.

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Theophylline

Theophylline, also known as 1,3-dimethylxanthine, is a methylxanthine drug used in therapy for respiratory diseases such as chronic obstructive pulmonary disease (COPD) and asthma under a variety of brand names.

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Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

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Transcription (biology)

Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase.

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Urea transporter

A urea transporter is a membrane transport protein, transporting urea.

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Vasoactive intestinal peptide

Vasoactive intestinal peptide, also known as vasoactive intestinal polypeptide or VIP, is a peptide hormone that is vasoactive in the intestine.

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Vasoactive intestinal peptide receptor

There are two known receptors for the vasoactive intestinal peptide (VIP) termed VPAC1 and VPAC2.

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Vasodilation

Vasodilation is the widening of blood vessels.

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Vasopressin

Vasopressin, also named antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus, and is converted to AVP.

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Vasopressin receptor 2

Vasopressin receptor 2 (V2R), or arginine vasopressin receptor 2 (officially called AVPR2), is a protein that acts as receptor for vasopressin.

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Redirects here:

ATP:protein phosphotransferase (cAMP-dependent), CAMP-activated protein kinase, CAMP-dependent kinase, CAMP-dependent protein kinase, CAMP-dependent protein kinase A, CAPK, Cyclic AMP-dependent protein kinase, Cyclic AMPdependent protein kinase, Cyclic amp-dependent protein kinase, Cyclic amp-dependent protein kinases, EC 2.7.11.11, Effects of protein kinase A, Function of PKA, Function of cAMP-dependent protein kinase, Function of protein kinase A, Protein Kinase A, Protein ka, Protein kinase a.

References

[1] https://en.wikipedia.org/wiki/Protein_kinase_A

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