Molecule of the Month
August 2023

ATM and ATR Kinases

Dividing cells use ATM and ATR kinases to respond to DNA damage.

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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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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.

Myoglobin

Intermolecular Contacts in Hemoglobin S

Myoglobin Fold

Crambin

Immunoglobulin G (IgG)

Z-DNA

Hemoglobin (1000)

Trypsin

Lac Repressor

Hemoglobin S

Ribonuclease S

Cytochrome c

A-DNA

Collagen

Hemoglobin

Transfer Ribonucleic Acid (tRNA)

DPG-Hemoglobin Complex

Aspartate Transcarbamoylase (ATCase)

Deoxyhemoglobin

Oxyhemoglobin

Lysozyme (488)

Carboxypeptidase A

Tomato Bushy Stunt Virus (TBSV)

Myohemerythrin

B-DNA

Deoxyribonucleic Acid (DNA)

TATA-Binding Protein (TBP)

Cytochrome c (unbound)

Induced Lac Repressor

DNA

Lysozyme (512)

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

Influenza Vaccine

CytoSkeleton

Cellulose Synthase

Excitatory and Inhibitory Synapses

Lipid Droplets

Mycoplasma mycoides

Autophagy

Biosites: Basement Membrane

Transfer RNA and Gag Protein

Biosites: Muscle

Last Universal Common Ancestor

HIV Vaccine

Biosites: Cytoplasm

Poliovirus Neutralization

Phage-based COVID-19 Vaccine

Caulobacter Polar Microdomain

JCVI-syn3A Minimal Cell

SARS-CoV-2 Fusion

Biosites: Red Blood Cell

Measles Virus Proteins

Immunological Synapse

Insulin Action

Coronavirus Life Cycle

Respiratory Droplet

Escherichia coli

HIV in Blood Plasma

SARS-CoV-2 and Neutralizing Antibodies

Casein Micelle and Fat Globule in Milk

RecA and DNA

Myoglobin in a Whale Muscle Cell

Zika Virus

Model of a Mycoplasma Cell

Ebola Virus

Collagen and Extracellular Matrix

Biosites: Nucleus

Myelin

Abiogenesis

HIV-Infected Cell

SARS-CoV-2 mRNA Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Blood Plasma

Blood

Chloroplast

Red Blood Cell Cytoskeleton

Insulin Release

Coronavirus

Escherichia coli Bacterium

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