Molecule of the Month
October 2021

Fifty Years of Open Access to PDB Structures

The Protein Data Bank is celebrating its golden anniversary!


3D View:  2DHB




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.

2022 Video Challenge for High School Students

Molecular Mechanisms of Cancer

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 18 and April 25, 2022.

Quick Links

The Challenge | Learn | Participate | Resources | Rules

2022 Video Challenge key visual: synaptic region with one fused vesicle
Celebrating 50 Years of Protein Data Bank
Celebrating 50 Years of Protein Data Bank

In 1971, the structural biology community established the single worldwide archive for macromolecular structure data–-the Protein Data Bank (PDB). In 2021, RCSB PDB and wwPDB are celebrating the 50th Anniversary of the PDB with symposia, materials, and more.

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
The SARS-CoV-2 Virion: Magnifying the Miniscule with Models of Digital, Plastic, and Paper by Samuel A. McKie, Chapel Prints Co
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 ( All rights reserved.



Lac Repressor

Induced Lac Repressor



Hemoglobin S

Myoglobin Fold

Deoxyribonucleic Acid (DNA)

Aspartate Transcarbamoylase (ATCase)

Immunoglobulin G (IgG)


Intermolecular Contacts in Hemoglobin S

Ribonuclease S



Transfer Ribonucleic Acid (tRNA)


Cytochrome c

Lysozyme (488)

Carboxypeptidase A



Tomato Bushy Stunt Virus (TBSV)

DPG-Hemoglobin Complex

Lysozyme (512)

TATA-Binding Protein (TBP)

Cytochrome c (unbound)



Hemoglobin (1000)

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

Lipid Droplets

Escherichia coli


Escherichia coli Bacterium

Biosites: Cytoplasm

Red Blood Cell Cytoskeleton


Myoglobin in a Whale Muscle Cell

Last Universal Common Ancestor

Insulin Action

Biosites: Nucleus

Mycoplasma mycoides

Excitatory and Inhibitory Synapses

Coronavirus Life Cycle

Measles Virus Proteins

HIV in Blood Plasma

Immunological Synapse

Respiratory Droplet

Zika Virus

Transfer RNA and Gag Protein

Influenza Vaccine



Poliovirus Neutralization

Cellulose Synthase

Collagen and Extracellular Matrix


Biosites: Basement Membrane

SARS-CoV-2 Fusion



Ebola Virus

SARS-CoV-2 and Neutralizing Antibodies

SARS-CoV-2 mRNA Vaccine

Biosites: Red Blood Cell

RecA and DNA

Biosites: Blood Plasma

Biosites: Muscle