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.

Lysozyme (512)

Transfer Ribonucleic Acid (tRNA)

Hemoglobin

Tomato Bushy Stunt Virus (TBSV)

Cytochrome c (unbound)

Cytochrome c

Induced Lac Repressor

Lysozyme (488)

Myohemerythrin

Lac Repressor

Oxyhemoglobin

Hemoglobin S

DPG-Hemoglobin Complex

Ribonuclease S

Carboxypeptidase A

B-DNA

Trypsin

Hemoglobin (1000)

Deoxyribonucleic Acid (DNA)

Deoxyhemoglobin

TATA-Binding Protein (TBP)

Crambin

Myoglobin Fold

A-DNA

Myoglobin

Aspartate Transcarbamoylase (ATCase)

Z-DNA

Immunoglobulin G (IgG)

Intermolecular Contacts in Hemoglobin S

DNA

Collagen

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

Caulobacter Polar Microdomain

Insulin Release

Vascular Endothelial Growth Factor (VegF) Signaling

HIV-Infected Cell

Measles Virus Proteins

Myoglobin in a Whale Muscle Cell

Biosites: Blood Plasma

Influenza Virus

Insulin Action

Phage-based COVID-19 Vaccine

RecA and DNA

Coronavirus

Respiratory Droplet

HIV in Blood Plasma

Cellulose Synthase

HIV Vaccine

Coronavirus Life Cycle

Escherichia coli Bacterium

Immunological Synapse

Last Universal Common Ancestor

Autophagy

CytoSkeleton

Poliovirus Neutralization

Blood

SARS-CoV-2 and Neutralizing Antibodies

Kinetochore

Biosites: Red Blood Cell

Excitatory and Inhibitory Synapses

Red Blood Cell Cytoskeleton

Transfer RNA and Gag Protein

Biosites: Muscle

Chloroplast

JCVI-syn3A Minimal Cell

Biosites: Nucleus

Casein Micelle and Fat Globule in Milk

Ebola Virus

Biosites: Cytoplasm

Biosites: Basement Membrane

Bacteriophage T4 Infection

SARS-CoV-2 mRNA Vaccine

Abiogenesis

Escherichia coli

Collagen and Extracellular Matrix

Mycoplasma mycoides

Influenza Vaccine

Lipid Droplets

Myelin

SARS-CoV-2 Fusion

Zika Virus

Model of a Mycoplasma Cell