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.

Protein rv2844 from M. tuberculosis

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This crystal structure shows a conserved hypothetical protein from Mycobacterium tuberculosis. Only 12 other proteins share its sequence homology, and none has a known function. Integrated Center for Structure and Function Innovation View Media

Building 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 Media

Beta-galactosidase montage showing cryo-EM improvement--gradient background

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Composite image of beta-galactosidase showing how cryo-EM’s resolution has improved dramatically in recent years. Older images to the left, more recent to the right. Veronica Falconieri, Sriram Subramaniam Lab, National Cancer Institute View Media

Protein 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 Media

Pig alpha amylase

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Crystals of porcine alpha amylase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

Life 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 Media

Seeing 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 Media

Respiratory droplet

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This painting shows a cross section of a small respiratory droplet, like the ones that are thought to transmit SARS-CoV-2, the virus that causes COVID-19. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Dynamic 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 Media

Fungal 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 Media

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 Media

Flower-forming cells in a small plant related to cabbage (Arabidopsis)

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In plants, as in animals, stem cells can transform into a variety of different cell types. The stem cells at the growing tip of this Arabidopsis plant will soon become flowers. Arun Sampathkumar and Elliot Meyerowitz, California Institute of Technology View Media

Dengue virus membrane protein structure

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Dengue virus is a mosquito-borne illness that infects millions of people in the tropics and subtropics each year. Like many viruses, dengue is enclosed by a protective membrane. Hong Zhou, UCLA View Media

ATP 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 Media

Myotonic 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 Media

Beta-galactosidase montage showing cryo-EM improvement--transparent background

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Relapsing fever bacterium (gray) and red blood cells

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Relapsing fever is caused by a bacterium and transmitted by certain soft-bodied ticks or body lice. The disease is seldom fatal in humans, but it can be very serious and prolonged. NIAID View Media

TFIID 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 Media

Ion channel

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A special "messy" region of a potassium ion channel is important in its function. Yu Zhoi, Christopher Lingle Laboratory, Washington University School of Medicine in St. Louis View Media

X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 5

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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 Media

Blood 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 Media

Serum 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 Media

Cryo-electron microscopy of the dengue virus showing protective membrane and membrane proteins

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Magnesium transporter protein from E. faecalis

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Structure of a magnesium transporter protein from an antibiotic-resistant bacterium (Enterococcus faecalis) found in the human gut. New York Structural GenomiX Consortium View Media

Trp_RS - tryptophanyl tRNA-synthetase family of enzymes

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This image represents the structure of TrpRS, a novel member of the tryptophanyl tRNA-synthetase family of enzymes. View Media

Bacteriophage 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 Media

Pig trypsin (2)

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A crystal of porcine trypsin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

Measles virus

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A cross section of the measles virus in which six proteins work together to infect cells. The measles virus is extremely infectious; 9 out of 10 people exposed will contract the disease. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Self-organizing proteins

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Under the microscope, an E. coli cell lights up like a fireball. Each bright dot marks a surface protein that tells the bacteria to move toward or away from nearby food and toxins. View Media

Atomic-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 Media

Early 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 Media

Cytoskeleton

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The three fibers of the cytoskeleton--microtubules in blue, intermediate filaments in red, and actin in green--play countless roles in the cell. Judith Stoffer View Media

PanB from M. tuberculosis (1)

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Model of an enzyme, PanB, from Mycobacterium tuberculosis, the bacterium that causes most cases of tuberculosis. This enzyme is an attractive drug target. Mycobacterium Tuberculosis Center, PSI View Media

VDAC-1 (4)

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The structure of the pore-forming protein VDAC-1 from humans. Gerhard Wagner, Harvard Medical School View Media

Heat shock protein complex from Methanococcus jannaschii

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Model based on X-ray crystallography of the structure of a small heat shock protein complex from the bacteria, Methanococcus jannaschii. Berkeley Structural Genomics Center, PSI-1 View Media

Rabbit GPDA

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A crystal of rabbit GPDA protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

SARS-CoV-2 nucleocapsid dimer

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In SARS-CoV-2, the virus that causes COVID-19, nucleocapsid is a complex molecule with many functional parts. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Thymidylate 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 Media

CRISPR 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 Media

Intasome

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Salk researchers captured the structure of a protein complex called an intasome (center) that lets viruses similar to HIV establish permanent infection in their hosts. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View Media

RNase A (1)

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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 Media

Dimeric ferredoxin-like protein from an unidentified marine microbe

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This is the first structure of a protein derived from the metagenomic sequences collected during the Sorcerer II Global Ocean Sampling project. Joint Center for Structural Genomics View Media

Kluyveromyces polysporus Argonaute bound to guide RNA

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A segment of siRNA, shown in red, guides a "slicer" protein called Argonaute (multi-colored twists and corkscrews) to the target RNA molecules. Kotaro Nakanishi and David Weinberg, Massachusetts Institute of Technology View Media

Bovine trypsin

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A crystal of bovine trypsin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

H1N1 Influenza Virus

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Related to image 6355. Dr. Rommie Amaro, University of California, San Diego View Media

Weblike sheath covering developing egg chambers in a giant grasshopper

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The lubber grasshopper, found throughout the southern United States, is frequently used in biology classes to teach students about the respiratory system of insects. Kevin Edwards, Johny Shajahan, and Doug Whitman, Illinois State University. View Media

Plant resistosome

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The research organism Arabidopsis thaliana forms a large molecular machine called a resistosome to fight off infections. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

DNA replication origin recognition complex (ORC)

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A study published in March 2012 used cryo-electron microscopy to determine the structure of the DNA replication origin recognition complex (ORC), a semi-circular, protein complex (yellow) that recogni Huilin Li, Brookhaven National Laboratory View Media

Beta2-adrenergic receptor protein

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Crystal structure of the beta2-adrenergic receptor protein. The Stevens Laboratory, The Scripps Research Institute View Media

G switch (with labels)

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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 Media

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