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A ball and stick + ribbons model of Human Growth Hormone, also known as Somatotropin.

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

Proteasomes are large molecular machines that degrade unneeded or damaged proteins that have been tagged with polyubiquitin.

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

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

Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria

Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.

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.

3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.

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.

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

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

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.

Neurotoxin concept Neurotoxin of type A of bacterium Clostridium botulinum which causes food intoxication botulism, molecular model 3d rendering

Immunoglobulin G (IgG) - 3d rendered image. Microbiology illustration the structure of an antibody. The Y-shaped structure. IgG is the most common type of antibody.

A model of a nucleosome. Isolated on black.

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

The amyloid beta peptide is a component of the amyloid precursor protein, which is normally bound to a cell membrane. The gamma secretase enzyme cuts the free form out, that aggregates to amyloid plaques.

Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation

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

Molecular Model of Human Insulin with disulfide bonds shown.

The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices

Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

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

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

Rapamycin, also known as sirolimus is a macrolide compound that has immunosuppressant functions and prevents transplant rejection through the inhibition of the protein complex mTORC1.

A group of viruses together as seen under a microscope

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Dendrocopos major on ripped pig kallerna.jpg

Major plan white flowers in the meadow in front of the chalets.jpg

Bombylius major (Large bee fly) in flight, Arnhem, the Netherlands.JPG

Sgt Major Christian Fleetwood - American Civil War Medal of Honor recipient - Restoration.jpg

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Marcellus or Drusus major Statue MANN 8044.png