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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 3kqg, chain id color scheme, white background.

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

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

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.

ATP Synthase Protein - 3d rendered image. Medical microbiology concept. Structure and conformational states of the bovine mitochondrial ATP (Adenosine triphosphate) synthase. Chemical energy is synthesized in eukaryotic cells primarily. Hydrolase. Hologram view. HUD, FUI

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

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.

Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer

3D cartoon model, chain id color scheme, based on PDB 5toa, white background.

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

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

Concept of Communication through Artificial Intelligence technology

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.

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

Alpha-tubulin 3C, a protein associated with the genetic diseases Clouston hidrotic ectodermal dysplasia and Kabuki syndrome. 3d rendering.

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 cartoon and Gaussian surface models, chain id color scheme, PDB 4ci9, 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.

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

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.

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

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.

The androgen receptor (AR), also known as NR3C4 (nuclear receptor subfamily 3, group C, member 4), is a type of nuclear receptor that is activated by binding any of the androgenic hormones, including testosterone and dihydrotestosterone in the cytoplasm and then translocating into the nucleus. 3D cartoon model with the differently colored elements of the secondary structure, white background.

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

Ras proteins are involved in transmitting signals within cells turning on genes involved in cell growth, differentiation and survival. Mutations in ras genes can lead to permanently activated proteins causing cells to subdivide without control.

Macro shot of colorful plastic spirals and mesh on a mirror ball.

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