Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
A ball and stick + ribbons model of Human Growth Hormone, also known as Somatotropin.
3D cartoon and Gaussian surface models. PDB 2aai, white background.
Proteasomes are large molecular machines that degrade unneeded or damaged proteins that have been tagged with polyubiquitin.
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.
organic chemistry, model of the protein molecule - illustration of a biological particle
ATP Synthase Protein - 3d rendered image. Medical microbiology concept.  Structure and conformational states of the bovine mitochondrial ATP (Adenosine triphosphate) synthase. Chemical energy is synthesized in eukaryotic cells primarily. Hydrolase. Hologram view. HUD, FUI
Recombinant human insulin. 3d cartoon model based on protein data bank
Freshness capsule
Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.
Dengue virus cell. 3D Render
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.
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.
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.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. 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.
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.
Computer generated 3D abstract forms.
3D cartoon and Gaussian surface models, PDB 2zva, white background
DNA A-T Pair
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
A model of a nucleosome. Isolated on black.
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.
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.
chromosome,Human genome concept
3D cartoon model, secondary structure color scheme, PDB 4krf, white background
Computer generated 3D abstract forms.\n\nNote: This image is less than one year old, and is  not available for use anywhere else. I created it on Blender 3.0.1,  and that is the reason it has no EXIF data. I uploaded in a property release section a screenshot of processing the composition on Blender on my PC. Date of creation is 01/11/2022.
3D model of a protein molecule. Endothelial tyrosine kinase receptor, a marker of angiogenesis.
Multicolored flowing and interweaving fusion of spheres 3D abstract concept.
Free Images: "bestof:PDB 1s4e EBI.jpg Alpha and beta proteins a+b Ribosomal protein S5 domain 2-like Ribosomal protein S5 domain 2-like GHMP Kinase N-terminal domain Galactokinase"
Stingless_bee_1,_f,_side,_peru_2014-07-30-12.46.57_ZS_PMax.jpg
Stingless_bee_1,_f,_face,_peru_2014-07-30-12.33.22_ZS_PMax.jpg
Carrots.png
Boat_bows_(3).jpg
Airline_Terminal_Windows.jpg
The_orange_fish_net_float..jpg
Zebra_Dove.jpg
The shallow water attention terminal swat boat.jpg
Denver international airport.jpg
Great_Indian_Hornbill..jpg
Bursting_Into_Life.jpg
Redrosedust wright f2000.jpg
150610-Z-NI803-196.jpg
150610-Z-NI803-032.jpg
150610-Z-NI803-485.jpg
150610-Z-NI803-490.jpg
150610-Z-NI803-007.jpg
150610-Z-NI803-359.jpg
150610-Z-NI803-619.jpg
141218-Z-NI803-060.jpg
141218-Z-NI803-093.jpg
140701-Z-NI803-014.jpg
Stat domain structure (zh-cn).svg
Complement pathway.svg
Hepatitis B virus v2.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Inteiner.svg
Proteinstructur-ar.svg
Protein primary structure gl.svg
Main protein structure levels gl.svg
WikF1-en.svg
Elongated circle S5.svg
Intermediate filament uk.svg
Ribosome mRNA translation gl.svg
Acides aminés propriétés diagramme Venn.svg
NJ S5 (cutout).svg
Jakstat pathway PIAS.svg
PhOH-CHCl3 extraction.svg
Cell membrane detailed diagram id.svg
Gumbel-Density.svg
Taxol structure.svg
Thyroid hormone synthesis-it.svg
Tokyo Metropolitan Expressway map.svg
Thyroid hormone synthesis.svg
Notable mutations.svg
Jak domain structure.svg
Jak domain structure (zh-cn).svg
PKARII.svg
RHAU domain architecture 02.svg
Proteinoxidation 03.svg
Greek lc alpha.svg
Greek lc beta.svg
Alpha lowercase.svg
AminoAcidball.svg
DBD-EnergyLevels.svg
AlphaHelixSection (blue).svg
Alpha-D-Galactopyranose.svg
Beta-D-Galactofuranose.svg
Beta-D-Galactopyranose.svg
Beta-D-Talofuranose.svg
Beta-D-Talopyranose.svg
Alpha-Tropanol.svg
AminoAcidball rus.svg
Alpha Dive Flag.svg
2-hydroxy-2-methylbutyric acid.svg
Alpha-D-Mannofuranose.svg
Alpha-D-Mannopyranose.svg
Beta-D-Glucofuranose.svg
Beta-D-Glucopyranose.svg
Beta-D-Mannofuranose.svg
Beta-D-Mannopyranose.svg
Alpha-D-Altrofuranose.svg
Alpha-D-Altropyranose.svg
Beta-D-Altrofuranose.svg
Beta-D-Altropyranose.svg
Alpha-D-Gulofuranose.svg
Alpha-D-Gulopyranose.svg
Alpha-D-Idofuranose.svg
Alpha-D-Idopyranose.svg
Beta-D-Gulofuranose.svg
Beta-D-Gulopyranose.svg
Beta-D-Idofuranose.svg
Beta-D-Idopyranose.svg
Alpha-D-Galactofuranose.svg
Alpha-D-Talofuranose.svg
Alpha-D-Talopyranose.svg
Alpha-D-Psicofuranose.svg
Alpha-D-Psicopyranose.svg
Alpha-D-Sorbofuranose.svg
Alpha-D-Sorbopyranose.svg
Alpha-D-Tagatofuranose.svg
Alpha-D-Tagatopyranose.svg
Beta-D-Psicofuranose.svg
Beta-D-Psicopyranose.svg
Beta-D-Sorbofuranose.svg
Beta-D-Sorbopyranose.svg
Beta-D-Tagatofuranose.svg
Beta-D-Tagatopyranose.svg
Alpha-D-Arabinofuranose.svg
Alpha-D-Arabinopyranose.svg
Terms of Use   Search of the Day