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A ball and stick model of a molecule of Human Glucagon, a hormone produced in the pancreas and used by the body to raise levels of glucose in the blood. Glucagon worksin the opposite manner to Insulin, which lowers levels of glucose in the blood - together they work to keep glucose levels stable.
3D cartoon and Gaussian surface models. PDB 2aai, white background.
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
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.
Recombinant human insulin. 3d cartoon model based on protein data bank
DNA A-T Pair
Setmelanotide drug molecule (MC4 receptor agonist). 3D rendering. Atoms are represented as spheres with conventional color coding.
Freshness capsule
3D rendering of biotinylated antibody, an engineered protein designed to bind to specific molecules. Biotin allows researchers to easily track and manipulate these antibodies.
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.
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 3hg3, 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.
Fictitious molecule model inside red and blue pill isolated on white.
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
Freshness capsule
PETase (left) degrades  polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA). The substrates in the binding sites are depicted in red.
Molecular model of Adenosine triphosphate,  or Adenosine-5'-triphosphate (ATP)
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.
3d Golgi apparatus
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
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.
Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.
Abstract geometric shape
Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration
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Concept of molecule 3D rendering with transparent background.
Rendered coronavirus/2019-nCoV single-stranded RNA, built from experimentally determined Ebola virus crystal structure. Color symbols - bluewhite=carbon, pink=oxygen, lightblue=nitrogen, white=hydrogen, lavender=phosphorus
3D cartoon and Gaussian surface models, PDB 4cmh, 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.
Free Images: "bestof:PDB 1n5n EBI.jpg Alpha and beta proteins a+b Peptide deformylase Peptide deformylase Peptide deformylase Peptide deformylase EBI License 1n5n November 16 2008"
Blood values sorted by mass and molar concentration.png
P450cycle.svg
TOM complex.svg
Merrifield Synthesis 1 V.1.svg
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Merrifield Synthesis 3 V.1.svg
Merrifield Synthesis 4 V.1.svg
Alpha-MSH.svg
Amide bond formation of 2,5-DKPs via Dipeptide Cyclization.svg
IFT particle chlamydomonas.svg
Peptide T.svg
adrenomedullin-peptide-molecule-872350.jpg
Mesomeric peptide bond.svg
Peptide bond formation.svg
Peptide Nucleic Acid.svg
Phycocyanobilin peptide linked.svg
Sanger peptide end-group analysis.svg
Beefy meaty peptide.svg
Uronium peptide coupling reagents HATU HBTU HCTU COMU.svg
Pegdinetanib non-peptide structure.svg
Planar peptide group uk.svg
Peptide group cis trans isomerism uk.svg
Urodilatin peptide depiction.svg
Peptidformationball.svg
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Pramlintide sequence.svg
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Kondensacja aminokwasów.svg
ペプãƒãƒ‰çµåˆ.svg
2-Iminothiolan-Reaktion.svg
Neuromedin N.svg
Glycyl-L-histidyl-L-lysine.svg
Diketopiperazine Structural Formulae V.2.svg
Aceturic acid skeletal.svg
Heatsetting wool.svg
Merrifield Synthesis 4 V.2.svg
Endocrine Alimentary system en.svg
Thyrotropin-releasing hormone.svg
Cysteinprotease Reaktionsmechanismus.svg
Sincalide.svg
Î’-MSH.svg
Γ-MSH.svg
Peptid bond formation uk.svg
Tiopronin.svg
Acetylleucine.svg
Etilevodopa.svg
Polyvalent single-chain variable fragments.svg
Small modular immunopharmaceutical.svg
Blood values sorted by mass and molar concentration.svg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Equilateral pentagon.SVG
Portret van Jan van Huysum Rijksmuseum SK-A-5008.jpeg.jpg
Japan Electricity Production 1980-2014.svg
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