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orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
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.
3D cartoon model, secondary structure color scheme, PDB 4krf, white background
A molecular model of Human Insulin. Isolated on black.
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
DNA A-T Pair
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
3d render Probiotic bacteria types set in circle shape. Good microbiota with healthy prebiotic bacillus. Lactobacillus, streptococcus, bifidobacteria and other microorganisms. Volume simple elements.
3D cartoon and Gaussian surface models, PDB 6vg8, white background
A ball and stick model of one of the proteins which form the fibres of spider's silk.
Calreticulin, a protein which binds to misfolded proteins and prevents them from being exported from the endoplasmic reticulum to the Golgi apparatus. 3d rendering.
Molecular Model of Human Insulin with disulfide bonds shown.
Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.
Isolated Proteasome with protein conjugated with ubiquitin 3d rendering
The amyloid beta peptide (light blue) is a component of the amyloid precursor protein, which is bound to a cell membrane. The gamma secretase enzyme cuts the free form, that aggregates to amyloid plaques. Source: PDB entries 2beg, 1mwp
3D Render of Rainbow Hearts Themed Font Plus Sign and Comma and Period
3D cartoon and Gaussian surface models. PDB 2aai, white background.
A space-filling molecular model of collagen, a fibrous protein that provides structural support in animals. It has a distinctive triple helix structure. Isolated on black.
Escherichia Coli (E. Coli.) cells or bacteria under microscope in California City, California, United States
Molecular Model of Human Insulin with disulfide bonds shown.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration.
Transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA with RNA strand in the cell 3d rendering
PETase (left) degrades  polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA). The substrates in the binding sites are depicted in red.
3D model of a protein molecule. Endothelial tyrosine kinase receptor, a marker of angiogenesis.
3D cartoon and Gaussian surface models, PDB 2zva, white background
A ball and stick model of a molecule of Human Interferon. Interferons are proteins important in the working of the immune system and are produced in large numbers in the presence of viruses, bacteria, tumors and parasites.  Interferons are used in drugs to combat cancer, multiple sclerosis, hepatitis B and C and other diseases. Isolated on white.
Segment of human collagen isolated on a white background
Molecular Model of Cetuximab or Erbitux, an epidermal growth factor receptor (EGFR) inhibitor, which is used for the treatment of metastatic colorectal cancer and head and neck cancer.
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