Molecule of the Month
July 2026
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Hantavirus

Family of rodent-borne viruses that can cause severe illness in humans

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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.

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Induced Lac Repressor

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Myohemerythrin

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Hemoglobin S

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Crambin

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Cytochrome c (unbound)

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Myoglobin

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B-DNA

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Hemoglobin (1000)

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Myoglobin Fold

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Carboxypeptidase A

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Hemoglobin

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Trypsin

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Collagen

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Deoxyribonucleic Acid (DNA)

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Deoxyhemoglobin

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Lysozyme (512)

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Intermolecular Contacts in Hemoglobin S

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TATA-Binding Protein (TBP)

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DPG-Hemoglobin Complex

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DNA

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Lysozyme (488)

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Lac Repressor

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Ribonuclease S

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Aspartate Transcarbamoylase (ATCase)

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Tomato Bushy Stunt Virus (TBSV)

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A-DNA

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Z-DNA

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Immunoglobulin G (IgG)

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Transfer Ribonucleic Acid (tRNA)

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Oxyhemoglobin

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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

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Escherichia coli

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HIV-Infected Cell

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Casein Micelle and Fat Globule in Milk

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Transfer RNA and Gag Protein

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RecA and DNA

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Biosites: Blood Plasma

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Caulobacter Polar Microdomain

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SARS-CoV-2 mRNA Vaccine

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Biosites: Cytoplasm

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Escherichia coli Bacterium

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Kinetochore

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Zika Virus

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Last Universal Common Ancestor

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Chloroplast

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Insulin Action

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Biosites: Red Blood Cell

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CytoSkeleton

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Excitatory and Inhibitory Synapses

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Insulin Release

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Cellulose Synthase

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Abiogenesis

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Vascular Endothelial Growth Factor (VegF) Signaling

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Model of a Mycoplasma Cell

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Red Blood Cell Cytoskeleton

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Poliovirus Neutralization

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Myoglobin in a Whale Muscle Cell

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Immunological Synapse

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Phage-based COVID-19 Vaccine

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Autophagy

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Biosites: Basement Membrane

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SARS-CoV-2 and Neutralizing Antibodies

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Myelin

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Influenza Virus

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Collagen and Extracellular Matrix

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Lipid Droplets

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Bacteriophage T4 Infection

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HIV Vaccine

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JCVI-syn3A Minimal Cell

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Measles Virus Proteins

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Mycoplasma mycoides

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Respiratory Droplet

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Blood

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HIV in Blood Plasma

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SARS-CoV-2 Fusion

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Biosites: Nucleus

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Influenza Vaccine

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Coronavirus Life Cycle

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Coronavirus

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Ebola Virus

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Biosites: Muscle