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.
orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
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.
Structure of the protein molecule. Molecular model of human enzyme on a black background.
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
3D cartoon model, secondary structure color scheme, PDB 4krf, white background
CRISPR-Cas9 gene editing technology
A model of a nucleosome. Isolated on black.
Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.
Recombinant human insulin. 3d cartoon model based on protein data bank
DNA A-T Pair
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
SEVERAL MORE IN THIS SERIES. Pharmaceutical research concept of colorful chemical laboratory reagents in front of a computer-rendered protein molecule.
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 cartoon model, chain id color scheme, PDB 2v0z, white background
A ball and stick model of Human Insulin. Isolated on black.
Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.
3d rendered Gastric inhibitory polypeptide (GIP, glucose-dependent insulinotropic peptide) endocrine protein hormone, 3D illustration
Molecular Model of Human Insulin with disulfide bonds shown.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Ribosome as part of an biological cell constructing messenger RNA molecule - 3d illustration
Passive immunization with nanobodies: three neutralizing nanobodies (blue) bound to the receptor-binding domain of the omikron SARS-CoV-2 spike protein. Nanobodies can have a highly increased neutralizing activity compared to antibodies.
3D cartoon model, PDB 5wn4, white background
A ribbons model of Human Growth Hormone, also known as Somatotropin, with a translucent surface model.
Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.
3d render of Antibody
Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases
Transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA with RNA strand in the cell 3d rendering
Abstract multicolored wavy curved tangled lines, 3d illustration
Free Images: "bestof:PDB 1gtr EBI.jpg All beta proteins Ribosomal protein L25-like Ribosomal protein L25-like Gln-tRNA synthetase GlnRS C-terminal anticodon-binding domain Gln-tRNA"
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Proteinoxidation 03.svg
Complement pathway.svg
Stat domain structure (zh-cn).svg
Hepatitis B virus v2.svg
PDB 1gtr EBI.jpg
PDB 1qrt EBI.jpg
PDB 1gsg EBI.jpg
PDB 1qtq EBI.jpg
PDB 1zjw EBI.jpg
PDB 1o0c EBI.jpg
PDB 1exd EBI.jpg
PDB 1euy EBI.jpg
PDB 1o0b EBI.jpg
PDB 1gts EBI.jpg
PDB 1nyl EBI.jpg
PDB 1euq EBI.jpg
PDB 1qru EBI.jpg
PDB 2rd2 EBI.png
PDB 2re8 EBI.png
PDB 1qrs EBI.jpg
PDB 2qbe EBI.png
PDB 2qbg EBI.png
PDB 2qbi EBI.png
PDB 2qbk EBI.png
PDB 2z4l EBI.png
PDB 2z4n EBI.png
PDB 2rdo EBI.png
PDB 2zjr EBI.png
PDB 2qp1 EBI.png
PDB 3df2 EBI.png
PDB 3df4 EBI.png
PDB 2qba EBI.png
PDB 2qbc EBI.png
PDB 2qov EBI.png
PDB 2qox EBI.png
PDB 2vhm EBI.png
PDB 2vhn EBI.png
PDB 3bbx EBI.png
PDB 2qam EBI.png
PDB 1xbp EBI.png
PDB 2zjq EBI.png
PDB 3cf5 EBI.png
PDB 2zjp EBI.png
PDB 2qao EBI.png
PDB 2qoz EBI.png
PDB 3d5b EBI.png
PDB 2v47 EBI.png
PDB 1vsp EBI.png
PDB 3d5d EBI.png
PDB 2v49 EBI.png
PDB 3dll EBI.png
PDB 1dfu EBI.jpg
PDB 1d6k EBI.jpg
PDB 1b75 EBI.jpg
PDB 1feu EBI.jpg
PDB 1pie EBI.jpg
PDB 1wuu EBI.jpg
PDB 1h73 EBI.jpg
PDB 1fwk EBI.jpg
PDB 1kkh EBI.jpg
PDB 1kvk EBI.jpg
PDB 1fi4 EBI.jpg
PDB 1oj4 EBI.jpg
PDB 1vi7 EBI.jpg
PDB 2r42 EBI.png
PDB 1pkp EBI.jpg
PDB 1b63 EBI.jpg
PDB 1b62 EBI.jpg
PDB 1nhj EBI.jpg
PDB 1h7s EBI.jpg
PDB 1h7u EBI.jpg
PDB 1kij EBI.jpg
PDB 1qzr EBI.jpg
PDB 1s4e EBI.jpg
PDB 1h72 EBI.jpg
PDB 1h74 EBI.jpg
PDB 1fwl EBI.jpg
PDB 1vis EBI.jpg
PDB 1k47 EBI.jpg
PDB 1uek EBI.jpg
PDB 1mg7 EBI.jpg
PDB 2cve EBI.jpg
PDB 2cxh EBI.jpg
PDB 1nhi EBI.jpg
PDB 1nhh EBI.jpg
PDB 1bkn EBI.jpg
PDB 1ea6 EBI.jpg
PDB 1ei1 EBI.jpg
PDB 1pvg EBI.jpg
PDB 1s16 EBI.jpg
PDB 1w94 EBI.jpg
PDB 1wib EBI.jpg
PDB 3cjs EBI.png
PDB 1zav EBI.png
PDB 1zax EBI.png
PDB 1zaw EBI.png
PDB 1rqs EBI.jpg
PDB 1ctf EBI.jpg
PDB 1rl2 EBI.jpg
Terms of Use   Search of the Day