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.

Lysozyme (488)

Hemoglobin

DNA

Aspartate Transcarbamoylase (ATCase)

Ribonuclease S

Cytochrome c

Oxyhemoglobin

Tomato Bushy Stunt Virus (TBSV)

Transfer Ribonucleic Acid (tRNA)

Lysozyme (512)

Intermolecular Contacts in Hemoglobin S

Crambin

B-DNA

Hemoglobin S

Deoxyhemoglobin

Lac Repressor

Myoglobin Fold

Z-DNA

DPG-Hemoglobin Complex

Hemoglobin (1000)

Myoglobin

Carboxypeptidase A

A-DNA

Collagen

Immunoglobulin G (IgG)

Cytochrome c (unbound)

TATA-Binding Protein (TBP)

Induced Lac Repressor

Myohemerythrin

Trypsin

Deoxyribonucleic Acid (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

Myelin

CytoSkeleton

Respiratory Droplet

Collagen and Extracellular Matrix

Escherichia coli Bacterium

Casein Micelle and Fat Globule in Milk

Bacteriophage T4 Infection

Myoglobin in a Whale Muscle Cell

Measles Virus Proteins

Caulobacter Polar Microdomain

SARS-CoV-2 Fusion

Last Universal Common Ancestor

HIV-Infected Cell

Vascular Endothelial Growth Factor (VegF) Signaling

Red Blood Cell Cytoskeleton

HIV in Blood Plasma

Blood

Coronavirus

Transfer RNA and Gag Protein

Biosites: Nucleus

Biosites: Blood Plasma

Coronavirus Life Cycle

HIV Vaccine

Insulin Action

Insulin Release

Immunological Synapse

Phage-based COVID-19 Vaccine

Kinetochore

Biosites: Red Blood Cell

Chloroplast

SARS-CoV-2 mRNA Vaccine

RecA and DNA

Biosites: Cytoplasm

Excitatory and Inhibitory Synapses

Ebola Virus

Cellulose Synthase

Biosites: Muscle

Influenza Virus

Zika Virus

SARS-CoV-2 and Neutralizing Antibodies

Influenza Vaccine

Mycoplasma mycoides

Biosites: Basement Membrane

Abiogenesis

Lipid Droplets

Escherichia coli

JCVI-syn3A Minimal Cell

Autophagy

Model of a Mycoplasma Cell

Poliovirus Neutralization