Molecule of the Month
September 2023

Histone Deacetylases

Histone deacetylases regulate access to genetic information by modifying histones

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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

Thanks to all challenge participants, expert judges, teachers, parents, and voters who made this competition happen.

Congratulations to the 2023 Winners!

Winner, First Place Winner, Second Place Winner, Third Place

West Windsor-Plainsboro High School South Team
West Windsor, NJ

Mira Mesa High School Team
San Diego, CA

Jericho High School Team
Jericho, NY

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Guide to Understanding PDB Data

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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.

Lac Repressor

Z-DNA

Induced Lac Repressor

Myoglobin Fold

Oxyhemoglobin

Cytochrome c (unbound)

Hemoglobin

Trypsin

Ribonuclease S

Myoglobin

DPG-Hemoglobin Complex

Crambin

Immunoglobulin G (IgG)

Lysozyme (488)

Deoxyribonucleic Acid (DNA)

TATA-Binding Protein (TBP)

Intermolecular Contacts in Hemoglobin S

A-DNA

Transfer Ribonucleic Acid (tRNA)

Tomato Bushy Stunt Virus (TBSV)

Carboxypeptidase A

Myohemerythrin

Lysozyme (512)

Cytochrome c

Aspartate Transcarbamoylase (ATCase)

Hemoglobin (1000)

DNA

B-DNA

Deoxyhemoglobin

Hemoglobin S

Collagen

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

Coronavirus

HIV in Blood Plasma

Caulobacter Polar Microdomain

Lipid Droplets

JCVI-syn3A Minimal Cell

Last Universal Common Ancestor

Casein Micelle and Fat Globule in Milk

Immunological Synapse

Measles Virus Proteins

Abiogenesis

Zika Virus

Collagen and Extracellular Matrix

HIV Vaccine

Escherichia coli

Biosites: Muscle

Biosites: Blood Plasma

Bacteriophage T4 Infection

Biosites: Basement Membrane

Myelin

Myoglobin in a Whale Muscle Cell

Poliovirus Neutralization

Biosites: Nucleus

Influenza Vaccine

HIV-Infected Cell

Biosites: Cytoplasm

Ebola Virus

Autophagy

CytoSkeleton

Coronavirus Life Cycle

SARS-CoV-2 Fusion

Cellulose Synthase

Excitatory and Inhibitory Synapses

Model of a Mycoplasma Cell

SARS-CoV-2 and Neutralizing Antibodies

RecA and DNA

SARS-CoV-2 mRNA Vaccine

Phage-based COVID-19 Vaccine

Biosites: Red Blood Cell

Insulin Action

Blood

Respiratory Droplet

Insulin Release

Mycoplasma mycoides

Vascular Endothelial Growth Factor (VegF) Signaling

Escherichia coli Bacterium

Transfer RNA and Gag Protein

Chloroplast

Red Blood Cell Cytoskeleton