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

Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

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.

Different fresh products and paper with Tyrosine chemical formula on white wooden table, flat lay. Sources of essential amino acids

Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 3D illustration.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.

3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.

DNA mutation, a mutation is a change in a DNA sequence, mutations can result from DNA copying mistakes made during cell division.

A model of an Enhanceosome protein complex binding to a strand of DNA. This enhanceosome reacts to infection by viruses by accelerating the production of human interferon and triggering the defenses of the immune system.

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

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

3D cartoon and Gaussian surface models, chain id color scheme, PDB 2iw2, white background

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The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor has a strong effect on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.

3D rendering of biotinylated antibody, an engineered protein designed to bind to specific molecules. Biotin allows researchers to easily track and manipulate these antibodies.

A ribbons model of an antibody broadly antagonistic to HIV. A challenge in AIDS and HIV research is producing a vaccine which elicits antibodies effective against the many variations of HIV proteins.

Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.

3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background

Molecular model of Adenosine triphosphate, or Adenosine-5'-triphosphate (ATP)

The cytokin interleukin 11 (IL-11) plays an important role in autoimmune diseases, fibrotic complications, and solid cancers. Blocking IL-11 can extend lifespan and improve health.

Computer-rendered coronavirus RNA and drug molecule hydroxychloroquine, which showed efficacy to treat COVID-19 patients and was mentioned by President Trump at White House briefing.

Ferrocene is an organometallic compound. The molecule consists of two cyclopentadienyl rings bound on opposite sides of a central iron atom. 3d illustration

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