Protein Collection

Nerve and glial cells, light micrograph
Nerve and glial cells, fluorescence light micrograph. These are neural stem cells that have differentiated into neurons (nerve cells, blue) and glial cells (support cells, red)

Balanced diet, computer artwork. A balanced diet shown as segments of a pie. The pie shows what proportion of the diet should be made up of each of the major food groups

DNA transcription, molecular model. Secondary structure of the enzyme RNA polymerase II synthesising a mRNA (messenger ribonucleic acid, lilac) strand from a DNA (deoxyribonucleic acid)

Anaesthetic inhibiting an ion channel C015 / 6718
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres)

Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

HeLa cells, light micrograph C017 / 8299
HeLa cells, multiphoton fluorescence micrograph (MFM). The cell nuclei, which contain the cells genetic information, are purple. Microtubules are blue and actin microfilaments are red

Doner kebab cooking, Istanbul, Turkey, Europe

Immunoglobulin G antibody molecule F007 / 9894
Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

Metabolic enzyme, artwork
Metabolic enzyme. Computer artwork of aconitase (blue), in complex with ferritin messenger ribonucleic acid (mRNA, red). Aconitase is involved in the citric acid cycle but here it is performing a

Secondary structure of proteins, artwork
Secondary structure of proteins, computer artwork. The secondary structure is the shape taken by the strands of proteins, which are biological polymers of amino acids

Cell structure. Confocal light micrograph of cultured endothelial cells. A fluorescent dye has been used to show the cell structure

HeLa cells, light micrograph C017 / 8298
HeLa cells, multiphoton fluorescence micrograph (MFM). The cell nuclei, which contain the cells genetic information, are blue. Golgi bodies, which modify and package proteins, are orange

Cell membrane, artwork C013 / 7467
Computer artwork of a cutaway view of the human cell membrane. The cell Membrane is a complex part of the cell that controls what can get in and out of the cell

Brain protein research. Computer artwork of a brain and coloured dots from a protein microarray. Protein microarrays can be used to follow protein interactions

Nucleosome molecule, computer model. A nucleosome is a subunit of chromatin, the substance that forms chromosomes. It consists of a short length of DNA (deoxyribonucleic acid)

DNA nucleosome, molecular model
DNA nucleosome. Molecular model of a nucleosome, the fundamental repeating unit used to package DNA (deoxyribonucleic acid) inside cell nuclei

Antibodies, artwork
Computer artwork of antibody molecules showing the structure of an immunoglobulin G (IgG) molecule. This is the most abundant immunoglobulin and is found in all body fluids

Glial cells, confocal light micrograph
Glial cells. Confocal light micrograph of glial cells from the cerebellum of the brain. Glial cells are nervous system cells that provide structural support and protection for neurons (nerve cells)

Bacterial ribosome. Computer model showing the secondary structure of a 30S (small) ribosomal sub-unit from the bacteria Thermus thermophilus

HIV reverse transcription enzyme. Molecular models of the reverse transcriptase enzyme found in HIV (the human immunodeficiency virus)

Hepatitis C virus enzyme, molecular model
Hepatitis C virus enzyme. Molecular model of a genetic enzyme from the Hepatitis C virus. This enzyme is called HC-J4 RNA polymerase

Glutamine synthetase enzyme computer model. This is a ligase enzyme, which forms chemical bonds between molecules. The different colours show the different subunits that comprise the protein

Assorted meats. Chicken (upper right), beef (upper left), minced lamb (centre right) and pork chops (lower left) are all good sources of protein

Blood clot, SEM
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells are red and fibrin protein strands are green. Platelets are at bottom right

Blood coagulation cascade, artwork C016 / 9873
Blood coagulation cascade. Artwork of the biochemical cascade of blood chemicals and proteins during blood clotting (coagulation). The blood vessel and its layered wall is at upper left

Blood clot, SEM C016 / 9747
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Flu virus particle, artwork F008 / 3245
Flu virus particle, computer artwork. In the virus envelope are two types of protein spike, haemagglutinin (H, pink) and neuraminidase (N, orange), which determine the strain of virus

RNA-editing enzyme, molecular model
RNA-editing enzyme. Molecular model of a left-handed, RNA double helix (Z-RNA, centre) bound by the Z alpha domain of the human RNA-editing enzyme ADAR1 (double-stranded RNA adenosine deaminase)

Zinc fingers bound to a DNA strand, molecular model. The double helix of DNA (deoxyribonucleic acid, red and yellow) is seen here with two Zif268 proteins (blue and green)

Myoglobin molecule C015 / 5702
Myoglobin molecule. Computer model showing the structure of a myoglobin molecule. Myoglobin is a protein found in muscle tissue

Sprouting beans. Sprouted adzuki beans, mung beans, green lentils and chickpeas. Sprouted pulses and seeds are highly nutritious, containing calcium, niacin, B vitamins and minerals

Oxytocin neurotransmitter molecule. Computer model showing the structure of the neurotransmitter and hormone Oxytocin. Atoms are colour-coded spheres (carbon: dark grey, hydrogen: light grey)

Interferon molecule. Computer model showing the secondary structure of a molecule of interferon. Interferons are proteins produced by white blood cells as part of the immune response to invading

Parma hams on curing racks, near Pavullo, Emilia-Romagna, Italy, Europe

Adenovirus, artwork
Adenovirus. Computer artwork of an adenovirus, showing the surface structure of the viruss outer protein coat (capsid). Adenoviruses are known to infect humans

Red lentils

Vast golden wheat field
Golden wheat field on farmland on a sunny day under a blue sky with a lone oak tree along a country road; Washington, United States of America

Manganese superoxide dismutase enzyme F006 / 9423
Manganese superoxide dismutase enzyme, molecular model. This enzyme scavenges and decomposes the potentially toxic first reduction product, superoxide, of aerobic respiration

SARS coronavirus protein. Molecular model of the ORF-9b protein produced by the SARS (severe acute respiratory syndrome) coronavirus

Cytochrome b5 molecule C015 / 6696
Cytochrome b5. Molecular model of cytochrome b5 from a cows liver. Cytochrome molecules perform oxidation and reduction reactions for electron transport

Polyoma BK virus, artwork C013 / 7465
Computer artwork of the capsid of a polyoma BK virus. This polyomavirus is common in the urinary tract of adults, where it lives without harming its host

Astrocyte nerve cell. Fluorescent light micrograph of an astrocyte cell from a human brain. Intermediate filaments (IFs), part of the cells cytoskeleton, have been dyed green

Steak. Two beef steaks on a plate. Red meat is a good source of protein, but is high in saturated fat. A diet high in saturated fat can lead to elevated cholesterol levels

Collagen synthesis and assembly, artwork. At left is a fibroblast, the cell that synthesises helical protein chains of collagen (wavy lines)

Cholera toxin, molecular model
Cholera toxin. Molecular model of the secondary structure of cholera enterotoxin (intestinal toxin). The molecule consists of two subunits, A (top) and B (bottom)

Jamon Shop, Barcelona, Catalonia, Spain, Europe

Rabbit (Oryctolagus cuniculus), the Old World rabbit. 1828 (hand-coloured engraving)
540323 Rabbit (Oryctolagus cuniculus), the Old World rabbit. 1828 (hand-coloured engraving); (add.info.: A rodent introduced to Britain by the Normans in the 11th century as a protein source)

Thailand, Chiang mai, deep fried silk worm pupae (Bombyx Mori) for sale in a Thai market

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Protein: The Building Blocks of Life Proteins, the fundamental components of cells, play a crucial role in maintaining our body's functions. From nerve and glial cells to DNA transcription they can involved in every aspect of life. In a mesmerizing light micrograph, we witness the intricate network formed by nerve and glial cells. These proteins ensure proper communication between neurons and support their growth and survival. An anaesthetic inhibiting an ion channel is captured in another captivating image (C015 / 6718). This protein acts as a gatekeeper for ions entering or leaving the cell, controlling its electrical activity. DNA transcription is depicted through a molecular model. Proteins called RNA polymerases read our genetic information and synthesize messenger RNA molecules that carry instructions for building other proteins. Glial cells take center stage once again in a confocal light micrograph. These supportive proteins protect neurons from damage while also regulating their environment to maintain optimal functioning. HeLa cells shine brightly under the microscope (C017 / 8299). Derived from cervical cancer tissue, these immortalized human cells have contributed immensely to scientific discoveries involving protein research. The immunoglobulin G antibody molecule stands tall as it fights against pathogens invading our bodies. This remarkable protein recognizes foreign substances and aids in neutralizing them (F007 / 9894). Away from cellular wonders, doner kebab cooking reminds us that even delicious food contains ample amounts of protein. Istanbul showcases this culinary delight which has become popular across Europe. Maintaining a balanced diet ensures sufficient intake of essential amino acids found abundantly in various protein sources like meat, fish, legumes, dairy products, nuts, and seeds. Artwork depicting metabolic enzymes highlights how these specialized proteins drive chemical reactions within our bodies' metabolism – converting nutrients into energy or building blocks for growth and repair. The secondary structure of proteins comes alive through artistic representation.