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A ribbons model of Human Growth Hormone, also known as Somatotropin, with a translucent surface model.

3D cartoon and Gaussian surface models, PDB 6vg8, white background

Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.

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

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

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A 3D rendering of a SpyTag-SpyCatcher conjugate, the molecular interaction between these biomolecules. This is used in various biotechnological applications for protein labeling and purification.

A ball and stick model of Human Insulin. Isolated on black.

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

Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.

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Bovine beta-lactoglobulin protein, 3D structure. Major whey protein, present in cow milk. Important food allergen.

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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.

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

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

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.

Molecular Model of Human Insulin with disulfide bonds shown.

Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.

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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.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background

Rendered remdesivir molecule in 3D, an experimental drug from Gilead, used to cure the first case of COVID-19 (or 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 white =carbon, orange=oxygen, blue=nitrogen, white=hydrogen, red=phosphorus

Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.

Molecular Model of Cyclosporine, an immunosuppressant drug widely used in organ transplantation to prevent rejection.

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Dependency Ks of inhibitor concentration.svg

Lineweaver-Burke plot competitive inhibition.svg

Reaction scheme competitive enzyme inhibition.svg

Reaction scheme non-competitive enzyme inhibition.svg

Reaction scheme uncompetitive enzyme inhibition.svg

Activity plot different irreversible enzyme inhibitions.svg

Lineweaver-Burke plot non-competitive inhibition.svg

Michaelis-Menten plot competitive inhibition.svg

Michaelis-Menten plot non-competitive inhibition.svg

Michaelis-Menten plot uncompetitive inhibition.svg