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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.

Z-DNA

Myoglobin Fold

Crambin

Intermolecular Contacts in Hemoglobin S

Myoglobin

Hemoglobin (1000)

Transfer Ribonucleic Acid (tRNA)

Aspartate Transcarbamoylase (ATCase)

Trypsin

A-DNA

Deoxyribonucleic Acid (DNA)

Lysozyme (512)

Cytochrome c

Deoxyhemoglobin

DNA

Tomato Bushy Stunt Virus (TBSV)

Cytochrome c (unbound)

Lac Repressor

Collagen

Myohemerythrin

TATA-Binding Protein (TBP)

DPG-Hemoglobin Complex

Induced Lac Repressor

B-DNA

Immunoglobulin G (IgG)

Carboxypeptidase A

Hemoglobin S

Hemoglobin

Oxyhemoglobin

Ribonuclease S

Lysozyme (488)

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

Escherichia coli

Myoglobin in a Whale Muscle Cell

Biosites: Red Blood Cell

Biosites: Cytoplasm

HIV-Infected Cell

Biosites: Basement Membrane

Myelin

Model of a Mycoplasma Cell

Lipid Droplets

JCVI-syn3A Minimal Cell

Ebola Virus

Poliovirus Neutralization

Blood

Influenza Vaccine

HIV Vaccine

Insulin Action

RecA and DNA

Collagen and Extracellular Matrix

Cellulose Synthase

Red Blood Cell Cytoskeleton

Transfer RNA and Gag Protein

Mycoplasma mycoides

Biosites: Blood Plasma

Abiogenesis

CytoSkeleton

Measles Virus Proteins

Coronavirus

Insulin Release

SARS-CoV-2 and Neutralizing Antibodies

SARS-CoV-2 mRNA Vaccine

Zika Virus

Vascular Endothelial Growth Factor (VegF) Signaling

HIV in Blood Plasma

Kinetochore

SARS-CoV-2 Fusion

Bacteriophage T4 Infection

Excitatory and Inhibitory Synapses

Casein Micelle and Fat Globule in Milk

Autophagy

Last Universal Common Ancestor

Influenza Virus

Respiratory Droplet

Coronavirus Life Cycle

Immunological Synapse

Phage-based COVID-19 Vaccine

Biosites: Nucleus

Biosites: Muscle

Escherichia coli Bacterium

Chloroplast

Caulobacter Polar Microdomain