Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
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.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
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.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Freshness capsule
Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.
Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
Abstract background with molecules spheres
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.
3D cartoon and Gaussian surface models. PDB 2aai, white background.
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.
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.
Recombinant human insulin. 3d cartoon model based on protein data bank
This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.
PETase is a bacterial enzyme that breaks down PET-plastic to monomeric molecules. The whole bacterial degradation process yields terephtalic acid and ethylene glycol, which are environmentally harmless.
Natural abstract fluid art painting in alcohol ink technique. Soft dreamy colors create transparent wavy lines.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
Liquid bubbles up Fluid Twirl
3D cartoon and Gaussian surface models, PDB 3hg3, white background
DNA A-T Pair
antibody-drug conjugation modality impacts overall therapeutic efficacy in brain tumors 3d rendering
3d Golgi apparatus
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
Bovine beta-lactoglobulin protein, 3D structure. Major whey protein, present in cow milk. Important food allergen.
A ball and stick + ribbons model of HIV protease - an enzyme that is the target of much AIDS and HIV research.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 4ci9, white background
Liquid bubbles up Fluid Twirl
Free Images: "bestof:PDB 2vbq EBI.png Alpha and beta proteins a+b Acyl-CoA N-acyltransferases Nat Acyl-CoA N-acyltransferases Nat N-acetyl transferase NAT Aminoglycoside"
Luther auf dem Totenbett Karlsruhe.jpg
Hepatitis B virus v2.svg
PDB 2vbq EBI.png
PDB 1n71 EBI.jpg
PDB 1b87 EBI.jpg
PDB 1bo4 EBI.jpg
PDB 1m4g EBI.jpg
PDB 1s60 EBI.jpg
PDB 2a4n EBI.jpg
PDB 1m44 EBI.jpg
PDB 1m4i EBI.jpg
PDB 1m4d EBI.jpg
PDB 1s3z EBI.jpg
PDB 1s5k EBI.jpg
PDB 2jdc EBI.png
PDB 2d4p EBI.png
PDB 1ghe EBI.jpg
PDB 1j4j EBI.jpg
PDB 1cm0 EBI.jpg
PDB 1ygh EBI.jpg
PDB 1qst EBI.jpg
PDB 1m1d EBI.jpg
PDB 1qsr EBI.jpg
PDB 1qsn EBI.jpg
PDB 1q2d EBI.jpg
PDB 1pu9 EBI.jpg
PDB 1pua EBI.jpg
PDB 1q2c EBI.jpg
PDB 5gcn EBI.jpg
PDB 1z4r EBI.jpg
PDB 1qso EBI.jpg
PDB 1qsm EBI.jpg
PDB 1bob EBI.jpg
PDB 1fy7 EBI.jpg
PDB 1mja EBI.jpg
PDB 1mjb EBI.jpg
PDB 1mj9 EBI.jpg
PDB 1cjw EBI.jpg
PDB 1kux EBI.jpg
PDB 1kuv EBI.jpg
PDB 1b6b EBI.jpg
PDB 1l0c EBI.jpg
PDB 1kuy EBI.jpg
PDB 1i12 EBI.jpg
PDB 1i1d EBI.jpg
PDB 1i21 EBI.jpg
PDB 1ufh EBI.jpg
PDB 1on0 EBI.jpg
PDB 1mk4 EBI.jpg
PDB 1nsl EBI.jpg
PDB 1q2y EBI.jpg
PDB 1vhs EBI.jpg
PDB 1r57 EBI.jpg
PDB 2h5m EBI.jpg
PDB 1p0h EBI.jpg
PDB 1ozp EBI.jpg
PDB 2c27 EBI.jpg
PDB 1tiq EBI.jpg
PDB 1xmt EBI.jpg
PDB 2q44 EBI.jpg
PDB 2evn EBI.jpg
PDB 1xeb EBI.jpg
PDB 2cy2 EBI.jpg
PDB 1wk4 EBI.jpg
PDB 1u6m EBI.jpg
PDB 1vkc EBI.jpg
PDB 1wwz EBI.jpg
PDB 1y9w EBI.jpg
PDB 2b5g EBI.jpg
PDB 2g3t EBI.jpg
PDB 2b3u EBI.jpg
PDB 2f5i EBI.jpg
PDB 2jev EBI.jpg
PDB 2b58 EBI.jpg
PDB 2fxf EBI.jpg
PDB 2b3v EBI.jpg
PDB 2b4d EBI.jpg
PDB 2b4b EBI.jpg
PDB 1yx0 EBI.jpg
PDB 2g3a EBI.jpg
PDB 1z4e EBI.jpg
PDB 2ge3 EBI.jpg
PDB 2fia EBI.jpg
PDB 2ae6 EBI.jpg
PDB 2gan EBI.jpg
PDB 1yk3 EBI.jpg
PDB 2bsw EBI.jpg
PDB 2giv EBI.jpg
PDB 1y7r EBI.jpg
PDB 2fe7 EBI.jpg
PDB 1s7k EBI.jpg
PDB 1s7f EBI.jpg
PDB 1z9u EBI.jpg
PDB 1s7n EBI.jpg
PDB 1s7l EBI.jpg
PDB 2atr EBI.jpg
PDB 2fl4 EBI.jpg
PDB 2fck EBI.jpg
PDB 1yre EBI.jpg
PDB 2q4v EBI.jpg
Terms of Use   Search of the Day