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The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

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

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

A ball and stick + ribbons model of beta-secretase - a protein that is important in forming healthy peripheral nerve cells, but is also involved in the onset of Alzheimer's disease.

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

Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases

Recombinant human insulin. 3d cartoon model based on protein data bank

$Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.$

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

Isolated Proteasome with protein conjugated with ubiquitin 3d rendering

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

A model of a molecule of Glutamine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Glutamine reduces the time to heal after injury or illness.

A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi

Glutamic acid is an alpha-amino acid that is used by almost all living beings in the biosynthesis of proteins. 3d illustration

Brain-derived neurotrophic factor (3d), also known as BDNF, a protein that supports the survival of existing neurons, and encourages the growth and differentiation of new neurons and synapses.

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

3D model of a protein molecule. The spatial oriented structure of the macromolecule.

Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.

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.

PETase (left) degrades polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA).

Human alcohol dehydrogenase (ADH1A) protein model

BRCA2, a human gene and its protein product. Certain variations of the BRCA2 gene increase risks for breast cancer as part of a hereditary breast-ovarian cancer syndrome. 3d rendering.

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

3D rendering. The structure of the protein molecule, an activator of angiogenesis. X-ray crystalline model of one of the subunits of the hif1A molecule.

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

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

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Stem cell division and differentiation.svg

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