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Framed Pictures, Canvas Prints
Posters & Jigsaws since 2004

Alpha Helix Gallery

Available as Prints and Gift Items

Choose from 550 pictures in our Alpha Helix collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


DNA transcription, molecular model
DNA transcription, molecular model
Science Photo Library

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Secondary structure of proteins, artwork
Secondary structure of proteins, artwork
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HIV reverse transcription enzyme
HIV reverse transcription enzyme
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Nucleosome molecule
Nucleosome molecule
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Bacterial ribosome
Bacterial ribosome
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Hepatitis C virus enzyme, molecular model
Hepatitis C virus enzyme, molecular model
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Transcription factor and DNA molecules
Transcription factor and DNA molecules
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Manganese superoxide dismutase enzyme
Manganese superoxide dismutase enzyme
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Argonaute protein molecule
Argonaute protein molecule
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Argonaute protein and microRNA
Argonaute protein and microRNA
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Immunoglobulin G antibody and egg white
Immunoglobulin G antibody and egg white
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Rubisco enzyme molecule
Rubisco enzyme molecule
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HIV reverse transcription enzyme Featured Image

HIV reverse transcription enzyme

HIV reverse transcription enzyme. Molecular models of the reverse transcriptase enzyme found in HIV (the human immunodeficiency virus). The foreground model shows the helices and arrowed sheets representing the enzyme's shape (secondary structure). The background model shows the 7844 atoms (spheres) of the molecular structure. Reverse transcriptase is an enzyme that is a key part of the process of producing DNA (deoxyribonucleic acid) from the instructions contained in a strand of RNA (ribonucleic acid). Many viruses, including HIV, consist of a core of RNA, and this reverse transcription is how HIV infects human cells. This enzyme is from the HIV-1 form of HIV, the virus that causes AIDS (acquired immune deficiency syndrome)

© LAGUNA DESIGN/SCIENCE PHOTO LIBRARY

NADP-dependent isocitrate dehydrogenase
NADP-dependent isocitrate dehydrogenase
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Catalase, molecular model
Catalase, molecular model
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Glycogen phosphorylase molecule
Glycogen phosphorylase molecule
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Triose phosphate isomerase molecule
Triose phosphate isomerase molecule
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Bacterial alpha-hemolysin toxin
Bacterial alpha-hemolysin toxin
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Dihydrofolate reductase molecule
Dihydrofolate reductase molecule
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HIV-1 protease and inhibitor
HIV-1 protease and inhibitor
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Ribonuclease A molecule
Ribonuclease A molecule
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Pepsin stomach enzyme
Pepsin stomach enzyme
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Flock house virus capsid
Flock house virus capsid
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Xylose isomerase complex
Xylose isomerase complex
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Phosphofructokinase bacterial enzyme
Phosphofructokinase bacterial enzyme
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Bacterial alpha-hemolysin toxin Featured Image

Bacterial alpha-hemolysin toxin

Bacterial alpha-hemolysin toxin, molecular model. This toxin is secreted by the bacterium Staphylococcus aureus. It is an example of a pore-forming toxin, forming pores in the membranes of affected cells, damaging or killing them (making it a cytolytic protein). This toxin forms a heptameric (seven-part) transmembrane pore. Seven protein chains form the outer beta barrel-type pore (top), with an inner (bottom), smaller barrel inside the outer one

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Kinase inhibitor complex
Kinase inhibitor complex
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Marburg viral protein 35 and RNA
Marburg viral protein 35 and RNA
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Methionine aminopeptidase molecule
Methionine aminopeptidase molecule
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Hepatitis C glycoprotein and antibody
Hepatitis C glycoprotein and antibody
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Malignant brain-tumor-like protein
Malignant brain-tumor-like protein
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Guanine-responsive riboswitch
Guanine-responsive riboswitch
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UV-damaged DNA-binding protein and DNA
UV-damaged DNA-binding protein and DNA
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Plexin signal transduction molecule
Plexin signal transduction molecule
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Multidrug efflux pump molecule
Multidrug efflux pump molecule
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RNA triplet repeat expansion
RNA triplet repeat expansion
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Flu virus surface protein and drug
Flu virus surface protein and drug
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Human lysine-specific demethylase
Human lysine-specific demethylase
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Flu virus surface protein and drug Featured Image

Flu virus surface protein and drug

Flu virus surface protein and drug. Molecular model of the neuraminidase glycoprotein enzyme from on the surface of the influenza A (flu) virus bound to the drug zanamivir. The function of this protein is to enable the virus to be released from the host cell. Zanamivir, marketed as Relenza, is a neuraminidase inhibitor

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Rhinovirus capsid, molecular model
Rhinovirus capsid, molecular model
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Beta-lactamase molecule
Beta-lactamase molecule
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Human muscle aldolase, molecular model
Human muscle aldolase, molecular model
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ATP-binding cassette transporter
ATP-binding cassette transporter
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Transcription factor bound to DNA
Transcription factor bound to DNA
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Beta-lactamase-like protein 2 molecule
Beta-lactamase-like protein 2 molecule
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Stress-responsive activator protein
Stress-responsive activator protein
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Fatty acid binding protein 9 molecule
Fatty acid binding protein 9 molecule
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Ebola virus glycoprotein and antibody
Ebola virus glycoprotein and antibody
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Urea channel molecule
Urea channel molecule
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Leptin receptor molecule
Leptin receptor molecule
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GMP synthetase enzyme
GMP synthetase enzyme
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