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.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
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.
Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals.
RNA molecule,Epigenetics concept.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
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.
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.
HER2 (light blue) and HER3 form a potent pro-oncogenic heterocomplex.  They play a  crucial role in cellular proliferation, survival, and differentiation.
Recombinant human insulin. 3d cartoon model based on protein data bank
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.
3D cartoon and Gaussian surface models, chain entity color scheme, PDB 4oo8, white background
chromosome,Human genome concept
3D model of a protein molecule. The spatial oriented structure of the macromolecule.
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology. Hologram view. HUD, FUI, SEM
Apolipoprotein D, a protein mainly produced in the brain and testes.  A biomarker of androgen insensitivity syndrome. 3d rendering.
X chromosome with degrading or aging telomeres isolated on black background
The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor  has a strong effect  on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.
Freshness capsule
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow)  emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.
Glucagon-like peptide 1 (GLP1, 7-36) molecule, a potent antihyperglycemic hormone. A neuropeptide and an incretin, chemical structure. treatment of diabetes, Molecular surface, 3d render
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
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.
Modern abstract painting. Colorful flowing art painting. Geometric background.
Resistin also known as adipose tissue-specific secretory factor (ADSF) or C/EBP-epsilon-regulated myeloid-specific secreted cysteine-rich protein (XCP1) is a cysteine-rich peptide hormone derived from adipose tissue that in humans is encoded by the RETN gene. 3D cartoon and Gaussian surface models, chain id color scheme, based on PDB 1rfx, white background
Abstract Genetics Disease - 3d rendered image.
Free Images: "bestof:PDB 1d1m EBI.jpg All alpha proteins lambda repressor-like DNA-binding domains lambda repressor-like DNA-binding domains Phage repressors cro lambda repressor"
Lambda phage LexA inihibition.svg
Stability region for Euler method.svg
Window function and frequency response - Rectangular.svg
Fourier transform – Rectangular.svg
Window function – Rectangular.svg
PDB 1d1m EBI.jpg
PDB 3cro EBI.jpg
PDB 1zug EBI.jpg
PDB 5cro EBI.jpg
PDB 6cro EBI.jpg
PDB 1cop EBI.jpg
PDB 3orc EBI.jpg
PDB 1orc EBI.jpg
PDB 2orc EBI.jpg
PDB 2cro EBI.jpg
PDB 1d1l EBI.jpg
PDB 1rzs EBI.jpg
PDB 1r69 EBI.jpg
PDB 1rpe EBI.jpg
PDB 1pra EBI.jpg
PDB 1lmb EBI.jpg
PDB 1lli EBI.jpg
PDB 1per EBI.jpg
PDB 2or1 EBI.jpg
PDB 1r63 EBI.jpg
PDB 2r63 EBI.jpg
PDB 1sq8 EBI.jpg
PDB 1adr EBI.jpg
PDB 1ner EBI.jpg
PDB 2r1j EBI.png
PDB 1neq EBI.jpg
PDB 1pou EBI.jpg
PDB 2gzu EBI.jpg
PDB 1y7y EBI.jpg
PDB 1dwk EBI.jpg
PDB 2iu7 EBI.jpg
PDB 2pub EBI.jpg
PDB 1zay EBI.jpg
PDB 2pue EBI.jpg
PDB 2puc EBI.jpg
PDB 1wet EBI.jpg
PDB 1pnr EBI.jpg
PDB 1qp4 EBI.jpg
PDB 1jft EBI.jpg
PDB 1qqb EBI.jpg
PDB 1jfs EBI.jpg
PDB 1qp7 EBI.jpg
PDB 1prv EBI.jpg
PDB 1efa EBI.jpg
PDB 1l1m EBI.jpg
PDB 1lqc EBI.jpg
PDB 1lcd EBI.jpg
PDB 1osl EBI.jpg
PDB 1uxd EBI.jpg
PDB 2hsg EBI.jpg
PDB 1zvv EBI.jpg
PDB 1wh8 EBI.jpg
PDB 1wh6 EBI.jpg
PDB 1wiz EBI.jpg
PDB 1xwr EBI.jpg
PDB 2auw EBI.jpg
PDB 2axu EBI.jpg
PDB 2axz EBI.jpg
PDB 2axv EBI.jpg
PDB 2a6c EBI.jpg
PDB 2grm EBI.png
PDB 1utx EBI.jpg
PDB 2b5a EBI.jpg
PDB 1dw9 EBI.jpg
PDB 2iuo EBI.jpg
PDB 1vpw EBI.jpg
PDB 1bdh EBI.jpg
PDB 2pud EBI.jpg
PDB 2pug EBI.jpg
PDB 1bdi EBI.jpg
PDB 1qpz EBI.jpg
PDB 2pua EBI.jpg
PDB 1jh9 EBI.jpg
PDB 2puf EBI.jpg
PDB 1qp0 EBI.jpg
PDB 1qqa EBI.jpg
PDB 1pru EBI.jpg
PDB 1jwl EBI.jpg
PDB 1cjg EBI.jpg
PDB 2bjc EBI.jpg
PDB 1lcc EBI.jpg
PDB 1lbg EBI.jpg
PDB 1uxc EBI.jpg
PDB 1rzr EBI.jpg
PDB 1s4k EBI.jpg
PDB 1x2l EBI.jpg
PDB 2csf EBI.jpg
PDB 1yse EBI.jpg
PDB 1zs4 EBI.jpg
PDB 1zpq EBI.jpg
PDB 2awi EBI.jpg
PDB 2aw6 EBI.jpg
PDB 2grl EBI.jpg
PDB 1x57 EBI.jpg
PDB 2pe5 EBI.png
Terms of Use   Search of the Day