Structural Collection (page 7)

Potassium ion channel cavity structure. Molecular model showing the structure of a cavity formed by potassium ion channel proteins

Praseodymium, atomic structure
Bismuth (Bi). Diagram of the nuclear composition, electron configuration, chemical data, and valence orbitals of an atom of bismuth-209 (atomic number: 83), the most common isotope of this element

Avian polyomavirus capsid, molecular model. This virus, one of a range named for their potential to cause multiple tumours, infects birds. Discovered in budgerigars in 1981, it is often fatal

Brain fibres, DTI MRI scan C017 / 7037
Brain fibres. 3D diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of a selection of nerve pathways (green/yellow) in the brain

Brain fibres, DTI MRI scan C017 / 7038
Brain fibres. 3D diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of a selection of nerve pathways (green/yellow) in the brain

Brain tumour, DTI MRI scan C017 / 7057
Brain tumour. 3D diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of nerve pathways (coloured) in a brain with a tumour (red, centre right)

Cytoplasmic polyhedrosis virus capsid, molecular model. Part of the Cypovirus genus and invariably fatal, this insect virus is transmitted by contamination of leaves eaten (examples include silkworms)

Brain fibres, DTI MRI scan C017 / 7100
Brain fibres. 3D diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of a selection of nerve pathways (blue, pink, green) in the brain. The front of the brain is at left

Theilers encephalomyelitis virus capsid, molecular model. This virus, which causes brain and spinal cord inflammation in mice, is used in research

Brain tumour, DTI MRI scan C017 / 7059
Brain tumour. Axial diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of nerve pathways (coloured) in a brain with a tumour (red, upper centre)

Ricin A-chain, artwork C017 / 3654
Ricin A-chain. Computer artwork showing the enzymatically active A-chain from a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (seen here) and B (not shown)

Brain tumour, DTI MRI scan C017 / 7058
Brain tumour. 3D diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan of nerve pathways (coloured) in a brain with a tumour (red, centre left)

Phosphorus, atomic structure C018 / 3696
Argon (Ar). Diagram of the nuclear composition, electron configuration, chemical data, and valence orbitals of an atom of argon-40 (atomic number: 18)

Tobacco necrosis virus capsid, molecular model. This plant virus infects a wide rage of plants, including the tobacco plant for which it is named. The virus causes tissue death (necrosis)

Ricin molecule, artwork C017 / 3649
Ricin molecule. Computer artwork showing the structure of a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (yellow) and B (blue)

Grapevine fanleaf virus capsid, molecular model. This plant virus is named for its infection of grape vines. It is transmitted by the nematode worm Xiphinema index

Cytosine molecule, artwork C017 / 7214
Cytosine molecule. Computer artwork showing the structure of a molecule of the nucleobase cytosine (2-oxy-4-aminopyrimidine)

Transducin protein beta-gamma complex F006 / 9514
Transducin protein beta-gamma complex. Molecular model of the beta-gamma dimer of the heterotrimeric G protein transducin

Human poliovirus, molecular model F006 / 9434
Human poliovirus particle. Molecular model of the capsid of the human poliovirus. The capsid is a protein coat that encloses the viruss genetic information (genome), stored as RNA (ribonucleic acid)

VEE equine encephalitis virus capsid
Venezuelan equine encephalitis virus capsid, molecular model. This mosquito-borne virus can kill horses and other equine species, causing brain and spinal cord inflammation

Sugar uptake in muscles, diagram
Sugar uptake in muscles. Diagram showing sugar from a drink (upper right) being taken up by the muscles of the human body

Semliki forest virus capsid F006 / 9297
Semliki forest virus capsid, molecular model. This virus, named for the forest in Uganda where it was identified, is spread by the bite of mosquitoes. It can infect both humans and animals

Human poliovirus, molecular model F006 / 9289
Human poliovirus particle. Molecular model of the capsid of the human poliovirus. The capsid is a protein coat that encloses the viruss genetic information (genome), stored as RNA (ribonucleic acid)

Murine minute virus capsid, molecular model. This parvovirus infects mice, its only known natural host. It is highly infectious, transmitted through the nose and mouth

SV40 virus capsid, molecular model C018 / 7904
SV40 virus capsid, molecular model. Simian virus 40 (SV40) is found in monkeys such as Rhesus monkeys and macaques. Potentially tumour-causing, it is used in laboratory research and in vaccines

SV40 virus capsid, molecular model C018 / 7903
SV40 virus capsid, molecular model. Simian virus 40 (SV40) is found in monkeys such as Rhesus monkeys and macaques. Potentially tumour-causing, it is used in laboratory research and in vaccines

T-cell receptor bound to enterotoxin, molecular model. The T cell receptor (TCR) is a protein complex found on the surface of a type of white blood cell called T lymphocytes (or T cells)

Bird egg white protein, molecular model. This is a deglycosylated form of the egg white glycoprotein avidin, obtained from a chicken (Gallus gallus)

Reversibly switchable fluorescent protein, molecular model. Reversibly switchable fluorescent proteins (RSFPs) are proteins that can be repeatedly converted between a fluorescent

Excisionase complex with DNA. Molecular model of three excisionase proteins (bottom, purple, green and blue) bound to a strand of DNA (top, deoxyribonucleic acid)

Epstein-Barr virus protein and DNA. Molecular model of the DNA-binding domain of a viral protein (pink-blue) bound to a lytic gene promoter element (viral strand of DNA, left)

DNA translocase, molecular model
ftsk, , protein, biomolecule, macromolecule, translocase, enzyme, pseudomonas aeruginosa, bacteria, biochemistry, biology, genetics, molecular biology, proteomics, artwork, illustration

Ebola virus transcription factor fragment. Molecular model of the C-terminal domain (CTD) of Ebola virus transcription factor VP30

Bacterial twitching motility protein
pilt, , protein, biomolecule, macromolecule, bacterial twitching motility, enzyme, aquifex aeolicus, bacterium, biochemistry, biology, molecular biology, proteomics, bacteriology, microbiology

RuvBL1 helicase enzyme, molecular model. Helicases are enzymes that carry out several roles, primarily separating the two strands of the DNA (deoxyribonucleic acid) double helix

Metal-binding protein bound to DNA. Molecular model of the bacterial metal-binding protein NikR (bottom) bound to a strand of DNA (top, helical, deoxyribonucleic acid)

Muscle contraction proteins. Molecular model of muscle protein motor cross-bridges during contraction in muscle. The cross-bridge is seen from the side, with contraction taking place horizontally

High-contrast direct DNA image, TEM
High-contrast direct DNA image. Coloured transmission electron micrograph (TEM) of the first high-contrast direct image of a bundle (fibre) of strands of DNA (deoxyribonucleic acid)

Adenovirus, artwork C016 / 8960
Adenovirus. Computer artwork showing the external protein structure of an adenovirus particle. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Adenovirus, artwork C016 / 8961
Adenovirus. Computer artwork showing the external protein structure of an adenovirus particle. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Adenovirus particles, artwork C016 / 8963
Adenovirus particles. Computer artwork showing the external protein structure of adenovirus particles. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Human adenovirus 36, artwork C016 / 8966
Human adenovirus 36. Computer artwork of human adenovirus 36 (HAdV-36), showing the surface structure of the viruss outer protein coat (capsid)

Adenovirus particles, artwork C016 / 8965
Adenovirus particles. Computer artwork showing the external protein structure of adenovirus particles. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Adenovirus, artwork C016 / 8962
Adenovirus. Computer artwork showing the external protein structure of an adenovirus particle. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Adenovirus particles, artwork C016 / 8964
Adenovirus particles. Computer artwork showing the external protein structure of adenovirus particles. Adenoviruses are the largest viruses not to have a protein coat covering their capsid

Myoglobin protein, molecular model C016 / 6575
Myoglobin protein. Molecular model showing the structure of the myoglobin protein. Myoglobin is a protein found in muscle tissue

Alpha-beta T-cell receptor, molecular model. The T cell receptor (TCR) is a protein complex found on the surface of a type of white blood cell called T lymphocytes (or T cells)

Carbamoylsarcosine amidase enzyme, molecular model. This enzyme catalyses the chemical reaction that converts the chemical N-carbamoylsarcosine in the presence of water to sarcosine (N-methylglycine)

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"Unveiling the Intricate Web: Exploring Structural Wonders from Brain Fibres to DNA Molecules" Delving into the Complexity: DTI MRI scan C017 / 7099 reveals the intricate network of brain fibres, offering a glimpse into our cognitive architecture. Unraveling Mysteries: DTI MRI scan C017 / 7035 uncovers hidden connections within brain fibres, shedding light on how information flows through our neural pathways. Soaring Through History: The Hawker Hurricane Fighter, 1939 stands as a testament to the structural brilliance that revolutionized aerial warfare. Nature's Blueprint Revealed: A captivating light micrograph showcases the delicate structure of a dicotyledon plant stem, highlighting its role in supporting growth and nourishment. X-ray Artistry at its Finest: Skeletons come alive in mesmerizing artwork created through X-rays, capturing both their structural beauty and enigmatic allure. Building Blocks of Life: Dive deep into cellular wonders with an awe-inspiring glimpse into cell structures that form the foundation of all living organisms. Beneath the Surface Beauty: Witness skeletal marvels from below through stunning X-ray artwork that unveils hidden intricacies and celebrates human anatomy. Unlocking Genetic Secrets: A computer model presents a captivating visualization of DNA molecules, showcasing their structural elegance and vital role in heredity. Pollen's Dance in Light: Pine pollen grains take center stage under a microscope's gaze, revealing their exquisite architectural design crafted by nature itself. Illuminating Botanical Marvels: Explore the enchanting world within lime tree stems through a mesmerizing light micrograph that captures their unique structural patterns and resilience. Caffeine's Molecular Symphony : Journey inside caffeine's molecular realm as we uncover its intricate structure – fuel for millions around the globe.