Molecule of the Month
August 2025

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An unexpected link between viruses and the brain

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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.

Crambin

Lysozyme (512)

Collagen

Myoglobin

Myohemerythrin

Hemoglobin S

Deoxyribonucleic Acid (DNA)

B-DNA

Intermolecular Contacts in Hemoglobin S

Tomato Bushy Stunt Virus (TBSV)

Transfer Ribonucleic Acid (tRNA)

TATA-Binding Protein (TBP)

DNA

Hemoglobin

Oxyhemoglobin

Myoglobin Fold

Z-DNA

Immunoglobulin G (IgG)

Induced Lac Repressor

DPG-Hemoglobin Complex

Hemoglobin (1000)

Aspartate Transcarbamoylase (ATCase)

Cytochrome c (unbound)

Trypsin

A-DNA

Ribonuclease S

Carboxypeptidase A

Lysozyme (488)

Lac Repressor

Deoxyhemoglobin

Cytochrome c

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

Red Blood Cell Cytoskeleton

Biosites: Cytoplasm

RecA and DNA

Model of a Mycoplasma Cell

Casein Micelle and Fat Globule in Milk

HIV-Infected Cell

HIV in Blood Plasma

Chloroplast

Biosites: Nucleus

Myoglobin in a Whale Muscle Cell

Biosites: Blood Plasma

Collagen and Extracellular Matrix

Abiogenesis

Insulin Release

Last Universal Common Ancestor

Coronavirus Life Cycle

SARS-CoV-2 Fusion

Ebola Virus

Lipid Droplets

Escherichia coli Bacterium

HIV Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Respiratory Droplet

Transfer RNA and Gag Protein

Phage-based COVID-19 Vaccine

Caulobacter Polar Microdomain

Coronavirus

Escherichia coli

Cellulose Synthase

Kinetochore

Autophagy

CytoSkeleton

Influenza Vaccine

JCVI-syn3A Minimal Cell

SARS-CoV-2 mRNA Vaccine

Biosites: Muscle

Immunological Synapse

Biosites: Basement Membrane

Influenza Virus

Myelin

Biosites: Red Blood Cell

Measles Virus Proteins

Poliovirus Neutralization

Zika Virus

Mycoplasma mycoides

SARS-CoV-2 and Neutralizing Antibodies

Excitatory and Inhibitory Synapses

Bacteriophage T4 Infection

Blood

Insulin Action