Molecule of the Month
July 2021

Designed Proteins and Citizen Science

What if people with no formal experience in science could help to improve or even rewrite nature, simply by playing a game?


3D View:  6MRS




Health Focus: Drugs and the Brain

The brain orchestrates everything we do, sending signals through the nervous system to control different parts of our body. The brain is also the home of our thoughts and consciousness, as neurons process the input from our senses and store what they find as memories. Many drugs are available to help tune the function of the brain and nervous system when there are problems. Unfortunately, the effects of some drugs are hard to control and can lead to abuse and addiction. Explore PDB-101 Resources to learn about proteins related to our nervous system and mental health.

2021 Video Challenge for High School Students

Molecular Mechanisms of Drugs for Mental Disorders

Thank you for voting for the Viewer’s Choice Award and many thanks to the Judges. We will announce the winners on Tuesday, May 18th on PDB-101 and View all 2021 entries.

Quick Links

The Challenge | 2021 Entries | Judges | Learn

2021 Video Challenge key visual
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
Exploring the Structure-Function Relationship with Digital and Physical 3D Models of Proteins by Maria Voigt, RCSB PDB
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.



Ribonuclease S

Tomato Bushy Stunt Virus (TBSV)

Intermolecular Contacts in Hemoglobin S

Cytochrome c

Deoxyribonucleic Acid (DNA)

DPG-Hemoglobin Complex

Carboxypeptidase A

Aspartate Transcarbamoylase (ATCase)



Induced Lac Repressor




Lysozyme (488)

Hemoglobin (1000)

TATA-Binding Protein (TBP)

Immunoglobulin G (IgG)

Lysozyme (512)



Hemoglobin S

Myoglobin Fold

Lac Repressor



Cytochrome c (unbound)

Transfer Ribonucleic Acid (tRNA)


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

Biosites: Basement Membrane

Biosites: Muscle


Measles Virus Proteins

Biosites: Red Blood Cell

Myoglobin in a Whale Muscle Cell

Insulin Action

Biosites: Blood Plasma

Red Blood Cell Cytoskeleton


Biosites: Cytoplasm

SARS-CoV-2 and Neutralizing Antibodies

Excitatory and Inhibitory Synapses

Cellulose Synthase

Immunological Synapse

SARS-CoV-2 Fusion

Influenza Vaccine

Mycoplasma mycoides


Escherichia coli Bacterium

SARS-CoV-2 mRNA Vaccine

HIV in Blood Plasma

Coronavirus Life Cycle

Ebola Virus

Collagen and Extracellular Matrix


Lipid Droplets

Poliovirus Neutralization

Zika Virus


Escherichia coli

Biosites: Nucleus

Respiratory Droplet