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Ferritin is a protein that contains iron and is the primary form of iron stored inside of cells. 3D cartoon model, PDB 4y08, white background

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

Frataxin (human) mitochondrial protein. Reduced expression causes Friedreich's ataxia. 3D illustration. Cartoon & wireframe representation.

A ribbons model of Human Insulin. Isolated on white.

Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration

DNA A-T Pair

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

3D cartoon and Gaussian surface models, PDB 6vg8, white background

3D model of a protein molecule. The spatial oriented structure of the macromolecule.

Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.

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.

MTORC1 is a key modulator of ageing and age related diseases. MTORC1 is a kinase that regulates cell growth, cell proliferation, cell motility, cell survival, protein synthesis, autophagy and transcription. mTORC1 is inhibited by the immunosuppresant rapamycin.

Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases

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.

Abstract multicolored wavy curved tangled lines, 3d illustration

3D cartoon and Gaussian surface models. PDB 2aai, white background.

Pepsin 3D model. An enzyme that digests food proteins into peptides

Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.

A ball and stick + ribbons model of human Interleukin 2 or IL-2. Interleukin is a hormone which acts as a signalling molecule for the immune system.

After binding extracellular dopamine (red), the dopamine receptor D1 (violet) activates a coupled heterotrimeric G-protein (blue), starting a intracellular signal cascade. Source: PDB entry 7ljd

Molecular Model of Human Insulin with disulfide bonds shown.

The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.

Chain of amino acid or biomolecules called protein - 3d illustration

3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background

C-reactive protein (CRP), an annular (ring-shaped), protein found in blood plasma. It is thought to assist in complement binding to foreign and damaged cells and enhances phagocytosis by macrophages.

Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.

A ball-and-stick plus ribbons 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.

Insulin 3D molecular model on a black background

Molecular Model of Human Insulin with disulfide bonds shown.

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