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Calmodulin is an intracelular target of calcium ions. Once activated by Ca2+ (red), calmodulin interacts with various target proteins such as kinases and phosphatases.. It plays an important role in long-term memory. and muscle contraction. CaM has 4 calcium binding sites. PDB entry 3CLN, 1CFD

Medical Laboratory Research Background

Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration

A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.

Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.

Ring-shaped RNA molecules (or single-strand DNA, cDNA), in glossy reflection with different pattern of every sphere

Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration

Molecule model on white.

Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria. Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.

Rendered coronavirus/2019-nCoV single-stranded RNA, built from experimentally determined Ebola virus crystal structure. Color symbols - bluewhite=carbon, pink=oxygen, lightblue=nitrogen, white=hydrogen, lavender=phosphorus

Bisphenol A, BPA, C15H16O2 molecule. It is precursor to polycarbonate plastics and epoxy resins. Molecular model. 3D rendering. 3D illustration

A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.

Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.

Dopamine chemical molecule. It plays a role as a “reward center” 3d rendering

Human had writing word endorphins and chemical formula. Endorphins are among the brain chemicals known as neurotransmitters, which function to transmit electrical signals within the nervous system

PETase (left) degrades polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA). The substrates in the binding sites are depicted in red.

Beta-alanine or β-Alanine molecule. It is naturally occurring beta amino acid. Molecular model. 3D rendering. Illustration

A ball and stick + ribbons model of HIV protease - an enzyme that is the target of much AIDS and HIV research.

Taq polymerase (Thermus aquaticus polymerase) enzyme bound to DNA, 3D rendering. Protein used in PCR (polymerase chain reaction).

DNA A-T Pair

Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration

Rendered Remdesivir molecule in 3D, an experimental drug from Gilead, used to cure the first case of 2019-nCoV in the United States (for a patient at Seattle, Washington). The model showed accurate atom connection and stereochemistry, based on the chemical structure available in public space from U.S. National Library of Medicine, which was professionally checked. Color symbols - green=carbon, red=oxygen, blue=nitrogen, white=hydrogen, purple=phosphorus

A red glycosidic food dye obtained from beets, white background.

Chemical science background

Prednisone molecule. Synthetic anti-inflammatory glucocorticoid derived from cortisone. Molecular model. 3D rendering. Illustration

A ball and stick model of human Interleukin 2 or IL-2. Interleukin is a hormone which acts as a signalling molecule for the immune system.

hormone medicine science chemistry oxytocin love health care chemical oxytocin molecular formular biology concept atom icon object brain organic structure drug element feeling human dopamine serotonin

Molecular model of amylose, one of the two sugar components in starch

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