Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
A ribbons model of Human Growth Hormone, also known as Somatotropin, with a translucent surface model.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
Ring formation of thumbs ups like logos scattered into groups, symbolizing varied demographic positive opinions, crystal glass renders.
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Abstract background of curved wires
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.
Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.
The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices
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.
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, PDB 1j7n, chain id color scheme, white background
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Dengue virus cell. 3D Render
Neurotoxin concept Neurotoxin of type A of bacterium Clostridium botulinum which causes food intoxication botulism, molecular model 3d rendering
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.
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.
Abstract organic cube 3d shape,  information moving in virtual space
c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.
Freshness capsule
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.
A ribbons model of an antibody, also known as immunoglobin. The immune system produces antibodies (using white blood cells) which then identify and attack viruses and bacteria.
A 3D rendering of a SpyTag-SpyCatcher conjugate, the molecular interaction between these biomolecules. This is used in various biotechnological applications for protein labeling and purification.
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.
Rapamycin, also known as sirolimus is a macrolide compound that has immunosuppressant functions and prevents transplant rejection through the inhibition of  the protein complex mTORC1.
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
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.
3D generated image
Structure of novel coronavirus spike receptor-binding domain (pink) complexed with its receptor ACE2 (blue), surface modeel, white background
Abstract organic growing forms
Free Images: "bestof:PDB 1nqz EBI.jpg Alpha and beta proteins a+b Nudix Nudix MutT-like Coenzyme A pyrophosphatase EBI License 1nqz November 16 2008 Coenzyme A pyrophosphatase Files"
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Tetrahydrofolate.svg
Equilateral pentagon.SVG
San francisco districts.svg
Conjugate gradient illustration.svg
Map-Namibia.svg
Map-USA-Hawaii.svg
Portret van Jan van Huysum Rijksmuseum SK-A-5008.jpeg.jpg
Lincoln Park-Old Town map.svg
Logan map.svg
Japan Electricity Production 1980-2014.svg
Uptown map.svg
Mag Mile map.svg
Rogers Park map.svg
Southwest Side map.svg
Coat of arms of Cape Verde.svg
Loop map.svg
Croatia_film_clapperboard.svg
Flag_of_Croatia_with_border.svg
Near north map.svg
Near West Side map.svg
PDB 1nqz EBI.jpg
PDB 1nqy EBI.jpg
PDB 1g0s EBI.jpg
PDB 1khz EBI.jpg
PDB 1ga7 EBI.jpg
PDB 1viq EBI.jpg
PDB 1g9q EBI.jpg
PDB 1mp2 EBI.jpg
PDB 1mqw EBI.jpg
PDB 1mr2 EBI.jpg
PDB 1mqe EBI.jpg
PDB 1mk1 EBI.jpg
PDB 1v8y EBI.jpg
PDB 1v8w EBI.jpg
PDB 1v8n EBI.jpg
PDB 1v8i EBI.jpg
PDB 1v8u EBI.jpg
PDB 1v8s EBI.jpg
PDB 1v8r EBI.jpg
PDB 1v8m EBI.jpg
PDB 1v8v EBI.jpg
PDB 1v8t EBI.jpg
PDB 1v8l EBI.jpg
PDB 1viu EBI.jpg
PDB 1q33 EBI.jpg
PDB 1qvj EBI.jpg
PDB 1pun EBI.jpg
PDB 1ppx EBI.jpg
PDB 1puq EBI.jpg
PDB 1pus EBI.jpg
PDB 1mut EBI.jpg
PDB 1tum EBI.jpg
PDB 1vhz EBI.jpg
PDB 1vhg EBI.jpg
PDB 1iry EBI.jpg
PDB 1sjy EBI.jpg
PDB 1sz3 EBI.jpg
PDB 1su2 EBI.jpg
PDB 1soi EBI.jpg
PDB 1f3y EBI.jpg
PDB 1jkn EBI.jpg
PDB 1ktg EBI.jpg
PDB 1kt9 EBI.jpg
PDB 1xsa EBI.jpg
PDB 1xsb EBI.jpg
PDB 1xsc EBI.jpg
PDB 1k2e EBI.jpg
PDB 1k26 EBI.jpg
PDB 1jrk EBI.jpg
PDB 2azw EBI.jpg
PDB 1vcd EBI.jpg
PDB 1vc8 EBI.jpg
PDB 1vc9 EBI.jpg
PDB 2b0v EBI.jpg
PDB 2b06 EBI.jpg
PDB 1u20 EBI.jpg
PDB 2a8t EBI.jpg
PDB 2a8s EBI.jpg
PDB 2a8q EBI.jpg
PDB 2a8r EBI.jpg
PDB 2a8p EBI.jpg
PDB 2fvv EBI.jpg
PDB 1hzt EBI.jpg
PDB 1ppv EBI.jpg
PDB 1r67 EBI.jpg
PDB 1pvf EBI.jpg
PDB 1x84 EBI.jpg
PDB 1nfz EBI.jpg
PDB 1x83 EBI.jpg
PDB 1q54 EBI.jpg
PDB 2g74 EBI.jpg
PDB 1nfs EBI.jpg
PDB 2b2k EBI.jpg
PDB 1ow2 EBI.jpg
PDB 1hx3 EBI.jpg
PDB 2g73 EBI.jpg
PDB 1ppw EBI.jpg
PDB 1i9a EBI.jpg
PDB 1q27 EBI.jpg
Terms of Use   Search of the Day