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Molecule of the Month
November 2025
GLP-1 Receptor Agonists

Popular and effective drugs for the treatment of obesity and diabetes

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Learn
PDB data help explain fundamental biology, biomedicine, bioengineering/biotechnology, and energy sciences
Health Focus
Use PDB-101 resources to learn about the structural biology of athletics and well-being
Teach
The RCSB PDB Curricula provide authentic, hands-on teaching materials, individual and group activities and assessment suggestions
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.

A-DNA

Intermolecular Contacts in Hemoglobin S

Cytochrome c

Deoxyhemoglobin

DNA

Z-DNA

Crambin

Collagen

Hemoglobin (1000)

Lac Repressor

Tomato Bushy Stunt Virus (TBSV)

Trypsin

Myoglobin

Hemoglobin S

Deoxyribonucleic Acid (DNA)

Cytochrome c (unbound)

Transfer Ribonucleic Acid (tRNA)

Carboxypeptidase A

Immunoglobulin G (IgG)

Ribonuclease S

Aspartate Transcarbamoylase (ATCase)

Hemoglobin

Oxyhemoglobin

Lysozyme (488)

TATA-Binding Protein (TBP)

Induced Lac Repressor

Lysozyme (512)

DPG-Hemoglobin Complex

Myoglobin Fold

Myohemerythrin

B-DNA

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

Insulin Release

SARS-CoV-2 and Neutralizing Antibodies

Last Universal Common Ancestor

Blood

Excitatory and Inhibitory Synapses

Caulobacter Polar Microdomain

Myelin

Measles Virus Proteins

HIV in Blood Plasma

Zika Virus

Lipid Droplets

Chloroplast

Escherichia coli

Biosites: Nucleus

Model of a Mycoplasma Cell

Abiogenesis

Vascular Endothelial Growth Factor (VegF) Signaling

Influenza Vaccine

Autophagy

Casein Micelle and Fat Globule in Milk

Biosites: Cytoplasm

Escherichia coli Bacterium

CytoSkeleton

JCVI-syn3A Minimal Cell

Mycoplasma mycoides

Coronavirus Life Cycle

Ebola Virus

SARS-CoV-2 Fusion

Bacteriophage T4 Infection

Biosites: Basement Membrane

Insulin Action

Biosites: Blood Plasma

Coronavirus

SARS-CoV-2 mRNA Vaccine

Transfer RNA and Gag Protein

Respiratory Droplet

Biosites: Red Blood Cell

Immunological Synapse

Red Blood Cell Cytoskeleton

Poliovirus Neutralization

Kinetochore

RecA and DNA

Collagen and Extracellular Matrix

Influenza Virus

Myoglobin in a Whale Muscle Cell

Cellulose Synthase

Phage-based COVID-19 Vaccine

HIV-Infected Cell

HIV Vaccine

Biosites: Muscle