Molecule of the Month
July 2026

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.

Myoglobin Fold

TATA-Binding Protein (TBP)

Z-DNA

Tomato Bushy Stunt Virus (TBSV)

Lac Repressor

Lysozyme (488)

Deoxyribonucleic Acid (DNA)

A-DNA

Hemoglobin S

Cytochrome c (unbound)

DNA

Immunoglobulin G (IgG)

Collagen

Carboxypeptidase A

Crambin

Hemoglobin

Induced Lac Repressor

Ribonuclease S

Deoxyhemoglobin

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

Myoglobin

Trypsin

Transfer Ribonucleic Acid (tRNA)

DPG-Hemoglobin Complex

Hemoglobin (1000)

Aspartate Transcarbamoylase (ATCase)

Lysozyme (512)

B-DNA

Myohemerythrin

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

Poliovirus Neutralization

Measles Virus Proteins

Zika Virus

Autophagy

Biosites: Nucleus

Mycoplasma mycoides

Abiogenesis

Biosites: Cytoplasm

Immunological Synapse

Biosites: Red Blood Cell

Insulin Action

Kinetochore

Model of a Mycoplasma Cell

Last Universal Common Ancestor

Escherichia coli Bacterium

Chloroplast

Insulin Release

Coronavirus Life Cycle

Transfer RNA and Gag Protein

Biosites: Basement Membrane

SARS-CoV-2 mRNA Vaccine

Myoglobin in a Whale Muscle Cell

Biosites: Muscle

Ebola Virus

Respiratory Droplet

RecA and DNA

Collagen and Extracellular Matrix

Escherichia coli

Cellulose Synthase

HIV in Blood Plasma

CytoSkeleton

Coronavirus

Bacteriophage T4 Infection

Vascular Endothelial Growth Factor (VegF) Signaling

JCVI-syn3A Minimal Cell

Biosites: Blood Plasma

Blood

HIV Vaccine

Influenza Virus

Excitatory and Inhibitory Synapses

Lipid Droplets

SARS-CoV-2 Fusion

Caulobacter Polar Microdomain

SARS-CoV-2 and Neutralizing Antibodies

HIV-Infected Cell

Influenza Vaccine

Casein Micelle and Fat Globule in Milk

Phage-based COVID-19 Vaccine

Myelin