Secretory Antibodies
Secretory immunoglobulins are our most abundant antibodies, providing a first line of defense against pathogens.
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Cells in our bodies are carefully regulated so that they divide, grow, and die according to the best plan for keeping us alive. When they lose these controls, they can grow into deadly cancers. Atomic structures have revealed how cell growth is normally controlled, and how cancer cells circumvent these essential controls. Explore PDB-101 Resources to learn about proteins related to cancer biology and therapeutics.
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2022 Video Challenge for High School Students Molecular Mechanisms of Cancer Thanks to all challenge participants, expert judges, teachers, parents, and voters who made this competition happen. Congratulations to the 2022 Winners!
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Images used with permission from the Howard Hughes Medical Institute (www.hhmi.org). All rights reserved.
Myoglobin Fold
Tomato Bushy Stunt Virus (TBSV)
Carboxypeptidase A
Lac Repressor
Immunoglobulin G (IgG)
Z-DNA
Cytochrome c
Intermolecular Contacts in Hemoglobin S
Ribonuclease S
Deoxyribonucleic Acid (DNA)
A-DNA
Induced Lac Repressor
Myoglobin
Deoxyhemoglobin
TATA-Binding Protein (TBP)
Oxyhemoglobin
Collagen
Hemoglobin S
Hemoglobin (1000)
Transfer Ribonucleic Acid (tRNA)
Hemoglobin
DPG-Hemoglobin Complex
Crambin
Myohemerythrin
DNA
Lysozyme (512)
Trypsin
Lysozyme (488)
Aspartate Transcarbamoylase (ATCase)
B-DNA
Cytochrome c (unbound)
Illustrations are free for use under a CC-BY-4.0 license
Model of a Mycoplasma Cell
Autophagy
Last Universal Common Ancestor
Biosites: Red Blood Cell
SARS-CoV-2 Fusion
Chloroplast
Biosites: Basement Membrane
CytoSkeleton
Vascular Endothelial Growth Factor (VegF) Signaling
Red Blood Cell Cytoskeleton
Cellulose Synthase
Escherichia coli
Insulin Action
Biosites: Cytoplasm
SARS-CoV-2 mRNA Vaccine
Biosites: Muscle
Poliovirus Neutralization
Abiogenesis
JCVI-syn3A Minimal Cell
Lipid Droplets
Respiratory Droplet
Blood
Biosites: Nucleus
HIV in Blood Plasma
Excitatory and Inhibitory Synapses
Zika Virus
Coronavirus Life Cycle
Myoglobin in a Whale Muscle Cell
Ebola Virus
RecA and DNA
Biosites: Blood Plasma
HIV Vaccine
SARS-CoV-2 and Neutralizing Antibodies
Collagen and Extracellular Matrix
Escherichia coli Bacterium
Casein Micelle and Fat Globule in Milk
Transfer RNA and Gag Protein
Myelin
Coronavirus
Mycoplasma mycoides
Influenza Vaccine
Measles Virus Proteins
Insulin Release
Immunological Synapse
Phage-based COVID-19 Vaccine
