Image and Video Gallery
This is a searchable collection of scientific photos, illustrations, and videos. The images and videos in this gallery are licensed under Creative Commons Attribution Non-Commercial ShareAlike 3.0. This license lets you remix, tweak, and build upon this work non-commercially, as long as you credit and license your new creations under identical terms.
Tiny strands of tubulin, a protein in a cell's skeleton
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Just as our bodies rely on bones for structural support, our cells rely on a cellular skeleton. Pakorn Kanchanawong, National University of Singapore and National Heart, Lung, and Blood Institute, National Institutes of Health; and Clare Waterman, National Heart, Lung, and Blood Institute, National Institutes of Health View MediaHuman endoplasmic reticulum membrane protein complex
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A 3D model of the human endoplasmic reticulum membrane protein complex (EMC) that identifies its nine essential subunits. Rebecca Voorhees, California Institute of Technology. View MediaEarly ribbon drawing of a protein
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This ribbon drawing of a protein hand drawn and colored by researcher Jane Richardson in 1981 helped originate the ribbon representation of proteins that is now ubiquitous in molecular graphics. Jane Richardson, Duke University Medical Center View MediaARTS triggers apoptosis
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Cell showing overproduction of the ARTS protein (red). ARTS triggers apoptosis, as shown by the activation of caspase-3 (green) a key tool in the cell's destruction. The nucleus is shown in blue. Hermann Steller, Rockefeller University View MediadUTP pyrophosphatase from M. tuberculosis
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Model of an enzyme, dUTP pyrophosphatase, from Mycobacterium tuberculosis. Drugs targeted to this enzyme might inhibit the replication of the bacterium that causes most cases of tuberculosis. Mycobacterium Tuberculosis Center, PSI View MediaLife of an AIDS virus (with labels and stages)
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HIV is a retrovirus, a type of virus that carries its genetic material not as DNA but as RNA. Crabtree + Company View MediaHsp33 Heat Shock Protein Inactive to Active
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When the heat shock protein hsp33 is folded, it is inactive and contains a zinc ion, stabilizing the redox sensitive domain (orange). Dana Reichmann, University of Michigan View MediaSheep hemoglobin crystal
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A crystal of sheep hemoglobin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaBlood clots show their flex
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Blood clots stop bleeding, but they also can cause heart attacks and strokes. Eric Lee, University of Illinois at Urbana-Champaign View MediaShiga toxin
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E. coli bacteria normally live harmlessly in our intestines, but some cause disease by making toxins. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaMouse brain slice showing nerve cells
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A 20-µm thick section of mouse midbrain. The nerve cells are transparent and weren’t stained. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaRNase A (2)
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A crystal of RNase A protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaG switch (with labels and stages)
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The G switch allows our bodies to respond rapidly to hormones. G proteins act like relay batons to pass messages from circulating hormones into cells. Crabtree + Company View MediaMorphine Structure
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The chemical structure of the morphine molecule Judy Coyle, Donald Danforth Plant Science Center View MediaCell Nucleus and Lipid Droplets
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A cell nucleus (blue) surrounded by lipid droplets (yellow). James Olzmann, University of California, Berkeley View MediaCCP enzyme
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The enzyme CCP is found in the mitochondria of baker’s yeast. Scientists study the chemical reactions that CCP triggers, which involve a water molecule, iron, and oxygen. Protein Data Bank. View MediaRNA polymerase
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RNA polymerase (purple) is a complex enzyme at the heart of transcription. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaMost abundant protein in M. tuberculosis
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Model of a protein, antigen 85B, that is the most abundant protein exported by Mycobacterium tuberculosis, which causes most cases of tuberculosis. Mycobacterium Tuberculosis Center, PSI View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 3
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaRepairing DNA
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Like a watch wrapped around a wrist, a special enzyme encircles the double helix to repair a broken strand of DNA. Tom Ellenberger, Washington University School of Medicine View MediaActive Site of E. coli response regulator PhoB
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Active site of E. coli response regulator PhoB. Ann Stock, Rutgers University View MediaCell curvature
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Rendering of the surface of an endothelial cell; membrane curvature is color coded. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View MediaRibosome illustration from PDB
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Ribosomes are complex machines made up of more than 50 proteins and three or four strands of genetic material called ribosomal RNA (rRNA). From PDB’s Molecule of the Month collection (direct link: http://pdb101.rcsb.org/motm/121) Molecule of the Month illustrations are available under a CC-BY-4.0 license. Attribution should be given to David S. Goodsell and the RCSB PDB. View MediaDrosophila (fruit fly) myosin 1D motility assay
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Actin gliding powered by myosin 1D. Note the counterclockwise motion of the gliding actin filaments. Serapion Pyrpassopoulos and E. Michael Ostap, University of Pennsylvania View MediaBacteria working to eat
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Gram-negative bacteria perform molecular acrobatics just to eat. Because they're encased by two membranes, they must haul nutrients across both. Emad Tajkhorshid, University of Illinois at Urbana-Champaign View MediaATP Synthase
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Atomic model of the membrane region of the mitochondrial ATP synthase built into a cryo-EM map at 3.6 Å resolution. ATP synthase is the primary producer of ATP in aerobic cells. Bridget Carragher, <a href="http://nramm.nysbc.org/">NRAMM National Resource for Automated Molecular Microscopy</a> View MediaCRISPR surveillance complex
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This image shows how the CRISPR surveillance complex is disabled by two copies of anti-CRISPR protein AcrF1 (red) and one AcrF2 (light green). NRAMM National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View MediaSphingolipid S1P1 receptor
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The receptor is shown bound to an antagonist, ML056. Raymond Stevens, The Scripps Research Institute View MediaDimeric association of receptor-type tyrosine-protein phosphatase
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Model of the catalytic portion of an enzyme, receptor-type tyrosine-protein phosphatase from humans. The enzyme consists of two identical protein subunits, shown in blue and green. New York Structural GenomiX Research Consortium, PSI View MediaFungal lipase (2)
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Crystals of fungal lipase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 2
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View Media3-D Architecture of a Synapse
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This image shows the structure of a synapse, or junction between two nerve cells in three dimensions. From the brain of a mouse. Anton Maximov, The Scripps Research Institute, La Jolla, CA View MediaStructure of a key antigen protein involved with Hepatitis C Virus infection
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A three-dimensional representation of the structure of E2, a key antigen protein involved with hepatitis C virus infection. Mansun Law Associate Professor Department of Immunolgy and Microbial Science The Scripps Research Institute View MediaProtein from Methanobacterium thermoautotrophicam
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A knotted protein from an archaebacterium called Methanobacterium thermoautotrophicam. This organism breaks down waste products and produces methane gas. Midwest Center For Structural Genomics, PSI View MediaHsp33 figure 2
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Featured in the March 15, 2012 issue of Biomedical Beat. Related to Hsp33 Figure 1, image 3354. Ursula Jakob and Dana Reichmann, University of Michigan View MediaTex protein
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Model of a member from the Tex protein family, which is implicated in transcriptional regulation and highly conserved in eukaryotes and prokaryotes. New York Structural GenomiX Research Consortium, PSI View MediaMap of protein structures 01
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A global "map of the protein structure universe." The Berkeley Structural Genomics Center has developed a method to visualize the vast universe of protein structures in which proteins of similar struc Berkeley Structural Genomics Center, PSI View MediaTFIID complex binds DNA to start gene transcription
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Gene transcription is a process by which the genetic information encoded in DNA is transcribed into RNA. Eva Nogales, Berkeley Lab View MediaZika virus
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Zika virus is shown in cross section at center left. On the outside, it includes envelope protein (red) and membrane protein (magenta) embedded in a lipid membrane (light purple). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaCryo-electron tomography of a Caulobacter bacterium
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3D image of Caulobacter bacterium with various components highlighted: cell membranes (red and blue), protein shell (green), protein factories known as ribosomes (yellow), and storage granules Peter Dahlberg, Stanford University. View MediaStructure of heme, side view
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Molecular model of the struture of heme. Heme is a small, flat molecule with an iron ion (dark red) at its center. Rachel Kramer Green, RCSB Protein Data Bank View MediaHuman Adenovirus
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The cryo-EM structure of human adenovirus D26 (HAdV-D26) at near atomic resolution (3.7 Å), determined in collaboration with the NRAMM facility*. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View MediaBuilding blocks and folding of proteins
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Proteins are made of amino acids hooked end-to-end like beads on a necklace. To become active, proteins must twist and fold into their final, or "native," conformation. Crabtree + Company View MediaPlastic-eating enzymes
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PETase enzyme degrades polyester plastic (polyethylene terephthalate, or PET) into monohydroxyethyl terephthalate (MHET). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaProtein involved in cell division from Mycoplasma pneumoniae
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Model of a protein involved in cell division from Mycoplasma pneumoniae. This model, based on X-ray crystallography, revealed a structural domain not seen before. Berkeley Structural Genomics Center, PSI View MediaCoronavirus spike protein structure
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Coronaviruses are enveloped viruses responsible for 30 percent of mild respiratory infections and atypical deadly pneumonia in humans worldwide. Melody Campbell, UCSF View MediaMicroscopy image of bird-and-flower DNA origami
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An atomic force microscopy image shows DNA folded into an intricate, computer-designed structure. Hao Yan, Arizona State University View MediaMap of protein structures 02
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A global "map of the protein structure universe" indicating the positions of specific proteins. Berkeley Structural Genomics Center, PSI View MediaTrajectories of labeled cell receptors
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Trajectories of single molecule labeled cell surface receptors. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View MediaAntitoxin GhoS (Illustration 2)
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Structure of the bacterial antitoxin protein GhoS. GhoS inhibits the production of a bacterial toxin, GhoT, which can contribute to antibiotic resistance. Rebecca Page and Wolfgang Peti, Brown University and Thomas K. Wood, Pennsylvania State University View Media