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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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.

Cytochrome c (unbound)

Trypsin

Deoxyhemoglobin

Immunoglobulin G (IgG)

Myoglobin Fold

Lac Repressor

Hemoglobin S

Hemoglobin

Deoxyribonucleic Acid (DNA)

Crambin

Tomato Bushy Stunt Virus (TBSV)

Ribonuclease S

Lysozyme (488)

Intermolecular Contacts in Hemoglobin S

TATA-Binding Protein (TBP)

DPG-Hemoglobin Complex

Aspartate Transcarbamoylase (ATCase)

Myoglobin

Lysozyme (512)

Z-DNA

A-DNA

Hemoglobin (1000)

Cytochrome c

B-DNA

Oxyhemoglobin

Carboxypeptidase A

Collagen

Transfer Ribonucleic Acid (tRNA)

Myohemerythrin

DNA

Induced Lac Repressor

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

Chloroplast

Blood

Zika Virus

Collagen and Extracellular Matrix

Influenza Virus

Influenza Vaccine

Excitatory and Inhibitory Synapses

Coronavirus Life Cycle

HIV Vaccine

Lipid Droplets

JCVI-syn3A Minimal Cell

Cellulose Synthase

Red Blood Cell Cytoskeleton

SARS-CoV-2 Fusion

Insulin Release

Vascular Endothelial Growth Factor (VegF) Signaling

Kinetochore

Biosites: Muscle

Mycoplasma mycoides

SARS-CoV-2 mRNA Vaccine

Ebola Virus

SARS-CoV-2 and Neutralizing Antibodies

Myelin

CytoSkeleton

Abiogenesis

Respiratory Droplet

HIV in Blood Plasma

Phage-based COVID-19 Vaccine

Biosites: Basement Membrane

Bacteriophage T4 Infection

Last Universal Common Ancestor

Insulin Action

Immunological Synapse

Biosites: Red Blood Cell

Biosites: Nucleus

HIV-Infected Cell

Caulobacter Polar Microdomain

Escherichia coli Bacterium

RecA and DNA

Biosites: Blood Plasma

Autophagy

Transfer RNA and Gag Protein

Measles Virus Proteins

Coronavirus

Myoglobin in a Whale Muscle Cell

Casein Micelle and Fat Globule in Milk

Poliovirus Neutralization

Escherichia coli

Biosites: Cytoplasm

Model of a Mycoplasma Cell