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.

DNA

Hemoglobin

Deoxyribonucleic Acid (DNA)

Immunoglobulin G (IgG)

DPG-Hemoglobin Complex

Cytochrome c (unbound)

Carboxypeptidase A

Myoglobin Fold

Crambin

Oxyhemoglobin

Z-DNA

Trypsin

Hemoglobin (1000)

Intermolecular Contacts in Hemoglobin S

B-DNA

Myoglobin

Ribonuclease S

Cytochrome c

Lysozyme (488)

Tomato Bushy Stunt Virus (TBSV)

Deoxyhemoglobin

Lysozyme (512)

Myohemerythrin

Collagen

Induced Lac Repressor

Transfer Ribonucleic Acid (tRNA)

Lac Repressor

A-DNA

Aspartate Transcarbamoylase (ATCase)

Hemoglobin S

TATA-Binding Protein (TBP)

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

SARS-CoV-2 Fusion

Influenza Vaccine

Measles Virus Proteins

RecA and DNA

Chloroplast

Model of a Mycoplasma Cell

Biosites: Basement Membrane

JCVI-syn3A Minimal Cell

Autophagy

SARS-CoV-2 mRNA Vaccine

Zika Virus

Lipid Droplets

Phage-based COVID-19 Vaccine

Biosites: Blood Plasma

Red Blood Cell Cytoskeleton

Escherichia coli

Biosites: Red Blood Cell

HIV Vaccine

Myelin

Myoglobin in a Whale Muscle Cell

Vascular Endothelial Growth Factor (VegF) Signaling

Last Universal Common Ancestor

Respiratory Droplet

Transfer RNA and Gag Protein

Poliovirus Neutralization

Caulobacter Polar Microdomain

Casein Micelle and Fat Globule in Milk

CytoSkeleton

Mycoplasma mycoides

Collagen and Extracellular Matrix

Insulin Action

Coronavirus Life Cycle

Biosites: Nucleus

Biosites: Muscle

Cellulose Synthase

SARS-CoV-2 and Neutralizing Antibodies

Abiogenesis

Escherichia coli Bacterium

HIV in Blood Plasma

Excitatory and Inhibitory Synapses

Biosites: Cytoplasm

Immunological Synapse

Blood

Insulin Release

Ebola Virus

Coronavirus