Structural Collection (#36)

Parathyroid hormone, molecular model
Parathyroid hormone. Molecular model showing the primary structure (spheres) and secondary structure (coils) of parathyroid hormone (PTH), or parathormone

Tumour necrosis factor-alpha (TNF-alpha), computer model. This molecule is composed almost entirely of anti-parallel beta-sheets (blue)

Amphetamine drug molecule
Amphetamine. Computer model of a molecule of the drug amphetamine. It is also known as speed, and is sold under the brand name Benzedrine

Silicoflagellate, SEM
Silicoflagellate. Coloured scanning electron micrograph (SEM) of the skeleton of a Dictyocha speculum silicoflagellate. Silicoflagellates are single-celled marine algae

Sago cycad leaf, SEM
Sago cycad leaf. Coloured scanning electron micrograph (SEM) of a section through a sago cycad (Cycas revoluta) leaf. At lower centre and left are vascular bundles (orange clusters)

Monosodium glutamate molecule
Monosodium glutamate. Computer model of a molecule of the food flavouring monosodium glutamate (C5.H8 N.O4.Na). The atoms (tubes) of the molecule are colour-coded: carbon (light blue)

Zolpidem brain drug, molecular model
Zolpidem brain drug. Molecular model of the drug zolpidem (C19.H21.N3.O) with an artwork of the human brain. This drug is mainly used to treat insomnia

Trans-dibromoethene molecule. Computer-generated molecular model of trans-dibromoethene (C2H2Br2). The trans form of dibromoethene has bromine atoms (red) on opposite sides of the carbon atoms (black)

Dextromethorphan drug molecule. Molecular model of Dextromethorphan, a cough-suppressant found in many over-the-counter cold and cough medicines

Gold-copper alloy crystal
Gold-copper alloy, molecular model. Gold atoms are gold, copper atoms are red. The crystal lattice of this alloy has a face centred cubic (FCC) structure

Nested fullerene molecules

Ethanol molecule
Ethanol. Computer-generated molecular model of ethanol (CH3.CH2.OH), a type of alcohol. Alcohols comprise a carbon (black) and hydrogen (white) chain with a hydroxyl group (OH)

Levodopa molecule. Molecular model of Levodopa, or L-Dopa, a drug used in the management of Parkinsons disease. It works by increasing levels of dopamine in the brain

Amylopectin molecule
Amylopectin. Computer-generated molecular model of amylopectin. Amylopectin is composed of carbon (green), hydrogen (grey/white) and oxygen (red)

Dibromoethane molecule. Computer-generated molecular model of 1, 2-dibromoethane (ethylene dibromide, BrCh2.Ch2Br). Carbon atoms are black, hydrogen are white, and bromine are red

Cis-dibromoethene molecule. Computer-generated molecular model of cis-dibromoethene (C2H2Br2). The cis form of dibromoethene has both bromine atoms (red) on the same side of the carbon atoms (black)

Pesticide molecule
Malathion. Computer model of a molecule of the organophosphate pesticide malathion. It has the formula C10.H19.O6.P.S2. The atoms are shown as spheres and are colour- coded: carbon (blue)

DDT molecule. Computer model of a molecule of the pesticide DDT (dichlorodiphenyltrichloroethane, C14. H9. Cl5). Atoms (spheres) are colour-coded: carbon (red), hydrogen (white), chlorine (blue)

Polychlorinated biphenyl molecule. Molecular model of the polychlorinated biphenyl (PCB) 3, 4, 5, 3 4 5 -hexachlorobiphenyl

Zeolite A crystal structure
Zeolite A crystal, molecular model. Zeolite A is a synthetic alumino-silicate material manufactured for use as a molecular sieve

Wurtzite crystal structure, molecular model. Wurtzite is the name for the mineral form of zinc sulphide (ZnS). The unit cell (repeating crystal region) of the crystal is outlined in red

Tridymite crystal structure, molecular model. Tridymite is a form of quartz (silicon dioxide) that forms at high temperatures

Fullerene molecules. Fullerenes are structural types (allotropes) of carbon. The three molecules at centre are buckminsterfullerenes (buckyballs)

Buckminsterfullerene molecules. This molecule is a type of fullerene, a structural type (allotrope) of carbon. It has 60 carbon atoms arranged in a spherical structure consisting of interlinking

Aconite poison molecule. Molecular model of aconitine, a highly poisonous chemical found in aconite (Aconitum sp.) plants. Its chemical formula is C34H47NO11

Buckyball molecule, computer artwork
Buckyball molecule. Conceptual computer artwork that might represent research into, or hi-tech automated production of, buckyball molecules (white sphere)

Doping buckyball molecules, artwork
Doping buckyball molecules. Computer artwork showing a conveyor belt (top left to bottom right) of buckyball molecules being doped (combined) with other atoms (blue)

Fullerene molecules, computer artwork
Fullerene molecules. Computer artwork of nested, spherical fullerene molecules. Fullerenes are allotropes (different structural types) of carbon

Capped nanotube, computer artwork
Capped nanotube. Computer artwork of a capped carbon nanotube. It is called capped because the ends of the tubes have been rounded off to form an enclosed structure

Sucrose molecule
Sucrose. Computer-generated molecular model of sucrose (C12H22O11). Sucrose is composed of carbon (green), hydrogen (grey-white) and oxygen (red). Sucrose is a disaccharide (sugar)

Maltose molecule
Maltose. Computer-generated molecular model of maltose (C12H22O11). Maltose is composed of carbon (green), hydrogen (grey-white) and oxygen (red)

Lactose molecule
Lactose. Computer-generated molecular model of lactose. Lactose is composed of carbon(green), hydrogen (grey-white) and oxygen (red)

Cellulose molecule
Cellulose. Computer-generated molecular model of cellulose. Cellulose is composed of carbon (green), hydrogen (white-grey) and oxygen (red)

Amylose molecule
Amylose. Computer-generated molecular model of amylose. Amylose is composed of carbon (green), hydrogen (grey-white) and oxygen (red). Amylose is a polysaccharide that is a component of starch

Amprenavir drug molecule
Amprenavir. Computer model of a molecule of the drug amprenavir. It is also known as VX-478, and is sold under the brand name Agenerase

Theobromine drug molecule
Theobromine. Computer model of a molecule of the alkaloid drug theobromine. This substance is most often consumed in products of the cacao tree, such as chocolate and cocoa

Quinapril drug molecule
Quinapril. Computer model of a molecule of the drug quinapril. It is sold under the brand name Accupril. It is an ACE (angiotensin converting enzyme) inhibitor drug

Nitroglycerin drug molecule
Nitroglycerin. Computer model of a molecule of the drug nitroglycerine. It is also known as nitroglycerin, trinitroglycerin and glyceryl trinitrate

Ampalex drug molecule
Ampalex. Computer model of a molecule of the drug made under the brand name Ampalex. It is also known by its trial name of CX-516. It is an ampakine drug, used to treat Alzheimers disease

Tacrine drug molecule
Tacrine. Computer model of a molecule of the drug tacrine. It is sold under the brand name Cognex. It is an acetylcholinesterase inhibitor drug

Cephalexin drug molecule
Cephalexin. Computer model of a molecule of the drug cephalexin. It is sold under the brand name Keflex. It is a cephalosporin antibiotic drug, used to treat bacterial infections

Atorvastatin drug molecule
Atorvastatin. Computer model of a molecule of the drug atorvastatin. It is sold under the brand name Lipitor. It is a statin drug

Azithromycin drug molecule
Azithromycin. Computer model of a molecule of the drug azithromycin. It is sold under the brand names Zithromax (Zmax) and Sumamed

Atenolol drug molecule
Atenolol. Computer model of a molecule of the drug atenolol. It is sold under the brand name Tenormin. It is a beta blocker drug, used to treat hypertension (high blood pressure)

Methamphetamine molecule. Computer graphic of the drug methamphetamine (formula C10.H15.N), a quicker acting and longer lasting derivative of amphetamine

Mescaline molecule. Computer graphic of the drug mescaline (formula C11.H17.N.O3). The atoms (tubes) are colour-coded: carbon (yellow), oxygen (red), nitrogen (blue) and hydrogen (white)

Ephedrine molecule
Ephedrine. Computer graphic of a molecule of the drug ephedrine (C10.H15.N.O). The atoms (tubes) of the molecule are colour-coded: hydrogen (white), carbon (yellow), oxygen (red) and nitrogen (blue)

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