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A carboxypeptidase is a protease enzyme that hydrolyzes a peptide bond at the carboxy-terminal end of a protein or peptide. 3D cartoon model, secondary structure color scheme, PDB 2v77, white background.
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.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
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.
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
Molecular Model of Human Insulin with disulfide bonds shown.
Bovine beta-lactoglobulin protein, 3D structure. Major whey protein, present in cow milk. Important food allergen.
Abstract geometric shape
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.
Abstract background with molecules spheres
Segment of human collagen isolated on a white background
Molecular structure on glass top desk with blue background.
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
DNA A-T Pair
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
Abstract geometric shape
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
A ball and stick model of a molecule of gamma-Cyclodextrin. Composed of eight glucose sugar molecules bound into a ring structure, cyclodextrins are easily made from simple starch. The large ring can bind smaller molecules within it, making Cylodextrins useful in drug-delivery applications and also to clean up toxins (such as heavy metals) in the environment. Currently, gamma-Cyclodextrin is being considered as a structure which can bind to and hold carbon dioxide gas for carbon capture and storage as a way to manage the effect of excess carbon dioxide on the climate.
Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration
A molecule of sucrose, showing thermal ellipsoids.
Abstract Pink And Green Knot
Ring-shaped RNA molecules (or single-strand DNA, cDNA), in glossy reflection with different pattern of every sphere
Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.
Spherical molecule render. The model is isolated on white and could be easily extracted as well as used with the background.
3D cartoon and Gaussian surface models, PDB 3hg3, white background
A ball and stick + ribbons model of HIV protease - an enzyme that is the target of much AIDS and HIV research.
Borazine with Li cation and hydrogen molecules as hydrogen storage system. 3d illustration
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 abstract inflated pink shiny shape with gold container
Molecular model of amylose, one of the two sugar components in starch
Free Images: "bestof:PDB 1ux7 EBI.jpg All beta proteins Galactose-binding domain-like Galactose-binding domain-like Family 36 carbohydrate binding module CBM36 Endo-1"
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Madame Francois Buron, 1769, by Jacques-Lous David - Art Institute of Chicago - DSC09457.JPG
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