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.
HIV enzyme
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These images model the molecular structures of three enzymes with critical roles in the life cycle of the human immunodeficiency virus (HIV). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. 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 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 MediaEnzymes convert subtrates into products
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Enzymes convert substrates into products very quickly. See image 2522 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View MediaBacterial alpha amylase
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A crystal of bacterial alpha amylase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaSerum albumin structure 2
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Serum albumin (SA) is the most abundant protein in the blood plasma of mammals. SA has a characteristic heart-shape structure and is a highly versatile protein. Wladek Minor, University of Virginia View MediaSeeing signaling protein activation in cells 03
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Cdc42, a member of the Rho family of small guanosine triphosphatase (GTPase) proteins, regulates multiple cell functions, including motility, proliferation, apoptosis, and cell morphology. Klaus Hahn, University of North Carolina, Chapel Hill Medical School View MediaArachnoidiscus diatom
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An Arachnoidiscus diatom with a diameter of 190µm. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaLife of an AIDS virus
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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 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 MediaArtificial cilia exhibit spontaneous beating
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Researchers have created artificial cilia that wave like the real thing. Zvonimir Dogic View MediaMeasles virus proteins
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A cross section of the measles virus in which six proteins (enlarged on the outside of the virus) work together to infect cells. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaMolecules blocking Huntington's protein production
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The molecules that glow blue in these cultured cells prevent the expression of the mutant proteins that cause Huntington's disease. Jiaxin Hu, David W. Dodd and Robert H. E. Hudson, UT Southwestern Medical Center 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 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 MediaMyotonic dystrophy type 2 genetic defect
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Scientists revealed a detailed image of the genetic defect that causes myotonic dystrophy type 2 and used that information to design drug candidates to counteract the disease. Matthew Disney, Scripps Research Institute and Ilyas Yildirim, Northwestern University 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 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 MediaNuclear Lamina – Three Views
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Three views of the entire nuclear lamina of a HeLa cell produced by tilted light sheet 3D single-molecule super-resolution imaging using a platform termed TILT3D. Anna-Karin Gustavsson, Ph.D. View MediaThymidylate synthase complementing protein from Thermotoga maritime
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A model of thymidylate synthase complementing protein from Thermotoga maritime. Joint Center for Structural Genomics, 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 MediaA Growing Bacterial Biofilm
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A growing Vibrio cholerae (cholera) biofilm. Cholera bacteria form colonies called biofilms that enable them to resist antibiotic therapy within the body and other challenges to their growth. Jing Yan, Ph.D., and Bonnie Bassler, Ph.D., Department of Molecular Biology, Princeton University, Princeton, NJ. View MediaDynamic cryo-EM model of the human transcription preinitiation complex
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Gene transcription is a process by which information encoded in DNA is transcribed into RNA. Eva Nogales, Berkeley Lab 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 MediaDiversity oriented synthesis: generating skeletal diversity using folding processes
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This 1 1/2-minute video animation was produced for chemical biologist Stuart Schreiber's lab page. The animation shows how diverse chemical structures can be produced in the lab. Eric Keller 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 MediaCells keep their shape with actin filaments and microtubules
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This image shows a normal fibroblast, a type of cell that is common in connective tissue and frequently studied in research labs. James J. Faust and David G. Capco, Arizona State 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 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 MediaCryo-EM reveals how the HIV capsid attaches to a human protein to evade immune detection
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The illustration shows the capsid of human immunodeficiency virus (HIV) whose molecular features were resolved with cryo-electron microscopy (cryo-EM). Juan R. Perilla, University of Illinois at Urbana-Champaign View MediaMovie of the 19S proteasome subunit processing a protein substrate
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The proteasome is a critical multiprotein complex in the cell that breaks down and recycles proteins that have become damaged or are no longer needed. Andreas Martin, HHMI 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 MediaSection of an electron density map
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Electron density maps such as this one are generated from the diffraction patterns of X-rays passing through protein crystals. The Southeast Collaboratory for Structural Genomics View MediaDense tubular matrices in the peripheral endoplasmic reticulum (ER) 2
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Three-dimensional reconstruction of a tubular matrix in a thin section of the peripheral endoplasmic reticulum between the plasma membranes of the cell. Jennifer Lippincott-Schwartz, Howard Hughes Medical Institute Janelia Research Campus, Virginia View MediaSleep and the fly brain
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In the top snapshots, the brain of a sleep-deprived fruit fly glows orange, marking high concentrations of a synaptic protein called Bruchpilot (BRP) involved in communication between neurons. Chiara Cirelli, University of Wisconsin-Madison 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 MediaBeta 2-adrenergic receptor
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The receptor is shown bound to a partial inverse agonist, carazolol. Raymond Stevens, The Scripps Research Institute View MediaAtomic-level structure of the HIV capsid
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This animation shows atoms of the HIV capsid, the shell that encloses the virus's genetic material. Juan R. Perilla and the Theoretical and Computational Biophysics Group, University of Illinois at Urbana-Champaign View MediaVDAC-1 (1)
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The structure of the pore-forming protein VDAC-1 from humans. Gerhard Wagner, Harvard Medical School View MediaCrane fly spermatocyte undergoing meiosis
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A crane fly spermatocyte during metaphase of meiosis-I, a step in the production of sperm. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaBacteriophage P22 capsid, detail
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Detail of a subunit of the capsid, or outer cover, of bacteriophage P22, a virus that infects the Salmonella bacteria. Dr. Wah Chiu, Baylor College of Medicine View MediaProtein folding video
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Proteins are long chains of amino acids. Each protein has a unique amino acid sequence. It is still a mystery how a protein folds into the proper shape based on its sequence. Theoretical and Computational Biophysics Group View MediaCytonemes in developing fruit fly cells
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Scientists have long known that multicellular organisms use biological molecules produced by one cell and sensed by another to transmit messages that, for instance, guide proper development of organs Sougata Roy, University of California, San Francisco 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 MediaCatalase diversity
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Catalases are some of the most efficient enzymes found in cells. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaAldolase
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2.5Å resolution reconstruction of rabbit muscle aldolase collected on a FEI/Thermo Fisher Titan Krios with energy filter and image corrector. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View MediaBrains of sleep-deprived and well-rested fruit flies
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On top, the brain of a sleep-deprived fly glows orange because of Bruchpilot, a communication protein between brain cells. These bright orange brain areas are associated with learning. Chiara Cirelli, University of Wisconsin-Madison View MediaZinc finger
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The structure of a gene-regulating zinc finger protein bound to DNA. Jeremy M. Berg, National Institute of General Medical Sciences View MediaShiga toxin being sorted inside a cell
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Shiga toxin (green) is sorted from the endosome into membrane tubules (red), which then pinch off and move to the Golgi apparatus. Somshuvra Mukhopadhyay, The University of Texas at Austin, and Adam D. Linstedt, Carnegie Mellon University View MediaProtein from Arabidopsis thaliana
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NMR solution structure of a plant protein that may function in host defense. This protein was expressed in a convenient and efficient wheat germ cell-free system. Center for Eukaryotic Structural Genomics View Media