Molecule of the Month
November 2022

Actin Branching by Arp2/3 Complex

By mimicking actin, Arp2/3 complex helps build a complex cytoskeleton that supports and shapes cells.

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Health Focus: Cancer Biology and Therapeutics

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.


2023 Video Challenge for High School Students

Molecular Mechanisms of Targeted Cancer Therapies

RCSB PDB invites all high school students to tell a two-minute story that combines structural Biology and Public Health. Videos can be submited between January 17 and April 24, 2023.

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The Challenge | Learn | Participate | Resources | Rules

2023 Video Challenge key visual
Learn: Materials for Exploration
PDB-101 resources and 3D structures of COVID-19 proteins.
Teach: Curricula
The RCSB PDB Curricula provide authentic, hands-on teaching materials, individual and group activities and assessment suggestions.
Education Corner: Using PDB Resources
Learn about Animating Photosynthesis from artist Chris FitzGerald
SciArt Galleries
Irving Geis (1908-1997) was a gifted artist who helped illuminate the field of structural biology with his iconic images. The Geis Digital Archive features many of his illustrations in the context of their molecular structures.

Images used with permission from the Howard Hughes Medical Institute (www.hhmi.org). All rights reserved.

Trypsin

Hemoglobin

Tomato Bushy Stunt Virus (TBSV)

DNA

Lysozyme (512)

Crambin

Transfer Ribonucleic Acid (tRNA)

Myohemerythrin

Intermolecular Contacts in Hemoglobin S

Collagen

Myoglobin Fold

Aspartate Transcarbamoylase (ATCase)

Ribonuclease S

Immunoglobulin G (IgG)

Induced Lac Repressor

Cytochrome c (unbound)

Myoglobin

Deoxyribonucleic Acid (DNA)

Cytochrome c

Carboxypeptidase A

TATA-Binding Protein (TBP)

B-DNA

Lysozyme (488)

Hemoglobin (1000)

Lac Repressor

Hemoglobin S

DPG-Hemoglobin Complex

Z-DNA

A-DNA

Oxyhemoglobin

Deoxyhemoglobin

The Molecular Landscapes by David S. Goodsell integrate information from structural biology, microscopy and biophysics to simulate detailed views of the molecular structure of living cells.

Illustrations are free for use under a CC-BY-4.0 license

Mycoplasma mycoides

HIV Vaccine

Biosites: Red Blood Cell

Biosites: Muscle

RecA and DNA

SARS-CoV-2 and Neutralizing Antibodies

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Basement Membrane

Respiratory Droplet

CytoSkeleton

Lipid Droplets

Caulobacter Polar Microdomain

Myoglobin in a Whale Muscle Cell

Casein Micelle and Fat Globule in Milk

Poliovirus Neutralization

Zika Virus

Escherichia coli

JCVI-syn3A Minimal Cell

Last Universal Common Ancestor

Chloroplast

Collagen and Extracellular Matrix

Coronavirus Life Cycle

Red Blood Cell Cytoskeleton

Immunological Synapse

Biosites: Cytoplasm

Phage-based COVID-19 Vaccine

Ebola Virus

Myelin

SARS-CoV-2 mRNA Vaccine

Influenza Vaccine

Escherichia coli Bacterium

HIV in Blood Plasma

Biosites: Nucleus

Biosites: Blood Plasma

Excitatory and Inhibitory Synapses

Abiogenesis

Transfer RNA and Gag Protein

Autophagy

Insulin Action

Coronavirus

Cellulose Synthase

SARS-CoV-2 Fusion

Measles Virus Proteins

Insulin Release

Model of a Mycoplasma Cell

Blood