Molecule of the Month
November 2022

Actin Branching by Arp2/3 Complex

By mimicking actin, Arp2/3 complex helps built 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.

Quick Links

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.

Z-DNA

Lysozyme (488)

Crambin

Intermolecular Contacts in Hemoglobin S

TATA-Binding Protein (TBP)

Myoglobin Fold

B-DNA

A-DNA

Induced Lac Repressor

Hemoglobin

Immunoglobulin G (IgG)

Carboxypeptidase A

DPG-Hemoglobin Complex

Trypsin

Hemoglobin (1000)

Lysozyme (512)

Lac Repressor

Oxyhemoglobin

Deoxyhemoglobin

Aspartate Transcarbamoylase (ATCase)

Tomato Bushy Stunt Virus (TBSV)

DNA

Cytochrome c (unbound)

Deoxyribonucleic Acid (DNA)

Ribonuclease S

Collagen

Cytochrome c

Myoglobin

Transfer Ribonucleic Acid (tRNA)

Myohemerythrin

Hemoglobin S

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

Insulin Release

Phage-based COVID-19 Vaccine

SARS-CoV-2 Fusion

Model of a Mycoplasma Cell

Respiratory Droplet

Myelin

Measles Virus Proteins

Insulin Action

Escherichia coli

Casein Micelle and Fat Globule in Milk

Biosites: Blood Plasma

CytoSkeleton

SARS-CoV-2 and Neutralizing Antibodies

Escherichia coli Bacterium

Biosites: Cytoplasm

RecA and DNA

Chloroplast

Transfer RNA and Gag Protein

HIV in Blood Plasma

Biosites: Red Blood Cell

Cellulose Synthase

Autophagy

JCVI-syn3A Minimal Cell

HIV Vaccine

Ebola Virus

Myoglobin in a Whale Muscle Cell

Poliovirus Neutralization

Biosites: Nucleus

Biosites: Basement Membrane

Influenza Vaccine

Excitatory and Inhibitory Synapses

Coronavirus

Zika Virus

Coronavirus Life Cycle

SARS-CoV-2 mRNA Vaccine

Last Universal Common Ancestor

Red Blood Cell Cytoskeleton

Blood

Immunological Synapse

Biosites: Muscle

Collagen and Extracellular Matrix

Lipid Droplets

Vascular Endothelial Growth Factor (VegF) Signaling

Abiogenesis

Mycoplasma mycoides

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