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

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

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

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

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

Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration

Artificial molecular structure in many colors. Horizontal composition, isolated on white background.

protein G−DNA conjugate an antibody to the intended area on the surface of bioassay chips or particles; 3d rendering

X chromosome with degrading or aging telomeres isolated on white background

Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals.

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

A model of a nucleosome. Isolated on black.

Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.

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

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.

Apolipoprotein D, a protein mainly produced in the brain and testes. A biomarker of androgen insensitivity syndrome. 3d rendering.

Concept of Communication through Artificial Intelligence technology

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

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.

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

This footage shows the translation initiation complex, which consists of the ribosomal small subunit, transfer RNA (tRNA), and translation initiation factors. The golden ribbon represents the RNA.

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

DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.

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.

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Melissodes_lupina,m,back,Lincoln_Co,_WY_2016-02-25-11.48.jpg

Melissodes_lupina,m,face,Lincoln_Co,_WY_2016-02-25-12.03.jpg

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2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg

Main protein structure levels pl - secondary structure.svg

Protein primary structure zh (zh-tw).svg

Cell membrane detailed diagram blank.svg