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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.

Hyaluronan, hyaluronic acid, HA, hyaluronate molecule, short fragment. Molecular model. 3D rendering. Illustration

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

Abstract geometric shape

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

3D cartoon and Gaussian surface models, chain id color scheme, PDB 4ci9, white background

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

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

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

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.

A molecule of sucrose, showing thermal ellipsoids.

Botulinum toxin neurotoxic protein, 3D rendering. Produced by Clostridium botulinum. Cosmetically used to treat wrinkles.

DNA A-T Pair

3D cartoon and Gaussian surface models. PDB 2aai, white background.

Colorful Molecules Background

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

A ball and stick model of Ethyl Eicosapentaenoic Acid or E-EPA. It is an omega-3 polyunsaturated fatty acid.

Cholera toxin, molecular model. Cholera toxin (choleragen) is a protein complex secreted by the bacterium Vibrio cholerae, that causes the disease cholera. It is made up of a wedge-shaped A subunit (right part of illustration) and five B subunits (left part of illustration) that form a ring which binds to the intestinal lining. In its most severe forms, cholera is one of the most rapidly fatal illnesses known.

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, which was professionally checked. Color symbols - light blue=carbon, red=oxygen, blue=nitrogen, white=hydrogen, green=phosphorus

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

Molecular model of tyrosine, one of 20 required amino acid to form proteins.

3D cartoon and Gaussian surface models, PDB 3hg3, white background

Multi-colored connected spheres building a molecular structure.

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

Maltose or maltobiose or malt sugar is a disaccharide formed from two units of glucose joined with an alpha bond. 3d illustration

Caffeine Molecule with clipping path

c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.

Molecular model of lactose, a disaccharide sugar in milk.

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Videographer recording effects of acid mine runoff in stream.jpg

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Levopimaric acid.svg

Beta schaeffer acid.svg

Cleve beta acid.svg

Beta-muricholic acid.svg

(–)-usnic acid.svg

Acetolactic acid.svg

(+)-usnic acid.svg

Usnic acid.svg

Ruberythric acid.svg

Gibberellic acid.svg

Minodronic acid.svg

(S)-Acetolactic acid.svg

Montanic acid.svg

Pimaric acid structure.svg

Isopimaric acid.svg

Neoabietic acid.svg

Dehydroabietic acid.svg

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