Peptide Collection (page 2)

Myoglobin molecule C015 / 5164
Myoglobin molecule. Computer model showing the structure of a myoglobin molecule. Myoglobin is a protein found in muscle tissue

Multiple sclerosis protein complex C015 / 3496
Multiple sclerosis protein complex, molecular model. The proteins forming this complex are a T-cell receptor (TCR), a peptide antigen (myelin basic protein, MBP)

Multiple sclerosis protein complex, molecular model. The proteins forming this complex are a T-cell receptor (TCR), a peptide antigen (myelin basic protein, MBP)

Neuropeptide Y neurotransmitter molecule C014 / 0013
Neuropeptide Y neurotransmitter molecule. Molecular model showing the structure of the neurotransmitter neuropeptide Y (NPY)

Birch pollen allergen molecule C013 / 8889
Birch pollen allergen molecule. Computer model showing the secondary structure of a Bet v 1L molecule. This molecule is responsible for allergic reactions to pollen from birch (Betula sp.) trees

Glycated haemoglobin molecule C013 / 7781
Glycated haemoglobin molecule. Computer model of a glycated haemoglobin molecule. The alpha and beta subunits of the haemoglobin are blue and pink, and the iron-containing haem groups are grey

Glycated haemoglobin molecule C013 / 7779
Glycated haemoglobin molecule. Computer model showing a glucose molecule (centre) bound to a molecule of haemoglobin. The alpha and beta subunits of the haemoglobin are blue and pink

Glycated haemoglobin molecule C013 / 7780
Glycated haemoglobin molecule. Computer model showing a glucose molecule (centre) bound to a molecule of haemoglobin. The alpha and beta subunits of the haemoglobin are blue and pink

Cone snail venom component molecule
Contryphan-R, molecular model. This peptide is an active component of the venom produced by the sea snail Conus radiatus. Atoms are represented as spheres and rods and are colour-coded

Antibiotic cell membrane effect, artwork
Antibiotic cell membrane effect. Artwork of the natural antibiotic peptide defensin (orange) disrupting the cell membrane of a bacterium (top right)

Alpha-endorphin, molecular model
Alpha-endorphin hormone, molecular model. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), oxygen (red), nitrogen (blue) and sulphur (yellow)

Haemoglobin molecule, artwork
Haemoglobin molecule. Computer artwork showing the molecular structure of haemoglobin, a metalloprotein that transports oxygen around the body in red blood cells

Myoglobin molecule. Computer model showing the structure of a Myoglobin molecule. Myoglobin is a protein found in muscle tissue

Hantavirus inhibitor molecule. Molecular model of a pentapeptide protein that blocks the entry of hantavirus particles to human cells

Enkephalin crystals, light micrograph
Enkephalin crystals, polarised light micrograph. Enkephalin is an endorphin found in the human brain. There are two variants: Met-enkephalin (seen here), which contains the amino acid methionine

Insulin-like growth 1 factor molecule
Insulin-like growth factor 1 molecule. Computer model showing the structure of a molecule of the hormone insulin-like growth factor 1 (IGF-1)

Thyroid-stimulating hormone molecule. Computer model showing the structure of a molecule of thyroid stimulating hormone (TSH)

Atrial natriuretic peptide molecule. Computer model showing the structure of a molecule of the hormone atrial natriuretic peptide (ANP)

Prolactin hormone molecule. Computer model showing the secondary structure of human prolactin (hPRL), or luteotropic hormone (LTH)

Insulin-like growth 2 factor molecule
Insulin-like growth factor 2 molecule. Computer model showing the structure of a molecule of the hormone insulin-like growth factor 2 (IGF-2)

Thrombopoietin hormone molecule. Computer model showing the secondary structure of a molecule of the hormone thrombopoietin (TPO)

Renin and inhibitor complex. Computer model showing the secondary structure of the enzyme renin complexed with inhibitor 7

Relaxin hormone molecule. Computer model showing the secondary structure of a molecule of the hormone relaxin. The alpha helices (ribbons) of the secondary structure can be seen

Ferroxidase enzyme, molecular model
Ferroxidase enzyme. Molecular model showing two views of the secondary structure of the human enzyme ferroxidase, also known as ceruloplasmin. Copper atoms are represented as red spheres

Synthetic peptide fibre, molecular model
Synthetic peptide fibre. Molecular model of a synthetic collagen-like peptide fibre, showing three different ways of representing the structure. Peptides are small molecules formed from amino acids

Encephalin peptide
Encephalin. Computer molecular graphic of part of a molecule of encephalin, a polypeptide found in the human brain. It has a painkilling effect

Vasopressin hormone molecule. Computer model showing the structure of the hormone vasopressin (AVP). Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, oxygen: red, nitrogen: blue)

Glutathione, molecular model
Glutathione. Molecular model of the antioxidant glutathione (GST). GST is a small protein molecule manufactured inside human cells from the amino acids cysteine, glycine, and glutamic acid

Birch pollen allergen. Molecular model of the secondary structure of Bet v 1l, the molecule responsible for allergic reactions to birch pollen

Vancomycin antibiotic action. Computer model showing the secondary structure of the enzyme glycosyltransferase (spirals and ribbons)

Myoglobin protein
Myoglobin. Computer model of the protein myoglobin that contains the iron-containing haem group (not seen). Myoglobin consists of a chain of 153 amino acids folded into a globin molecule that has a

Cobra venom action, molecular model
Cobra (Naja sp.) venom action. Molecular model showing top (upper centre) and side (lower centre) views of the secondary structure of an alpha-cobratoxin (snake venom protein)

Insulin molecule
Insulin. Computer artwork of a molecule of insulin. Insulin is a hormone produced by the pancreas. It consists of two peptide chains, A (centre to right) and B (left)

Alpha-endorphin molecule. Molecular model of the analgesic (painkilling) peptide alpha-endorphin. This molecule is released by the pituitary gland at times of stress or great pain

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Peptides: Unveiling the Intricate World of Molecular Marvels DNA transcription and molecular model: Unlocking the secrets of life, DNA transcription orchestrates the synthesis of peptides, paving the way for countless biological wonders. Cone snail venom component molecule: Within the venomous embrace of a cone snail lies a tiny peptide molecule, holding immense potential for medical breakthroughs and pain management. Enkephalin crystals, light micrograph: Intricately arranged enkephalin crystals under microscopic scrutiny reveal nature's elegant design in these endogenous opioids that modulate our perception of pain. Gastric glands secreting pepsin illustration: Witness the fascinating process as gastric glands secrete pepsin to break down proteins into digestible peptides within our stomachs, fueling our bodies with vital nutrients. Pancreatic enzymes breaking down peptides illustration: Embark on a journey through human pancreatic ducts as enzymes diligently break down complex peptides into essential amino acids within the duodenum of our small intestine. Sirtuin enzyme and p53 artwork C017 / 3659: Marvel at this artistic representation showcasing the intricate dance between sirtuin enzyme and p53 protein, unraveling their role in cellular regulation and longevity. Insulin A chain molecule: Behold the elegance encapsulated within an insulin A chain molecule—a key player in regulating glucose metabolism—unleashing its power to maintain balance within our bodies. Transfer RNA-synthetase complex molecule: Delve into the realm where transfer RNA-synthetase complex molecules flawlessly match specific amino acids to their corresponding codons during protein synthesis—an exquisite feat of precision. Iron-containing protein molecular model: Discover how iron-containing proteins intricately bind this essential element, enabling crucial functions like oxygen transport or electron transfer throughout living organisms' systems.