Molecule of the Month
June 2026

Therapeutic Phage

Using the natural predators of bacteria to fight antibiotic-resistant infections

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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.

Carboxypeptidase A

DNA

Myoglobin

Deoxyhemoglobin

A-DNA

Myohemerythrin

Oxyhemoglobin

Deoxyribonucleic Acid (DNA)

Lac Repressor

B-DNA

Hemoglobin

Aspartate Transcarbamoylase (ATCase)

Transfer Ribonucleic Acid (tRNA)

Induced Lac Repressor

Ribonuclease S

Lysozyme (488)

DPG-Hemoglobin Complex

Trypsin

Myoglobin Fold

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin S

TATA-Binding Protein (TBP)

Collagen

Intermolecular Contacts in Hemoglobin S

Crambin

Cytochrome c (unbound)

Z-DNA

Immunoglobulin G (IgG)

Hemoglobin (1000)

Cytochrome c

Lysozyme (512)

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

RecA and DNA

Biosites: Basement Membrane

Myelin

Phage-based COVID-19 Vaccine

Kinetochore

Biosites: Cytoplasm

Myoglobin in a Whale Muscle Cell

Escherichia coli Bacterium

Mycoplasma mycoides

Ebola Virus

Abiogenesis

Cellulose Synthase

SARS-CoV-2 and Neutralizing Antibodies

Caulobacter Polar Microdomain

SARS-CoV-2 mRNA Vaccine

Blood

Casein Micelle and Fat Globule in Milk

Measles Virus Proteins

Influenza Virus

Model of a Mycoplasma Cell

Coronavirus

Escherichia coli

HIV Vaccine

Autophagy

Red Blood Cell Cytoskeleton

Biosites: Blood Plasma

Poliovirus Neutralization

Biosites: Red Blood Cell

Transfer RNA and Gag Protein

Biosites: Muscle

Last Universal Common Ancestor

HIV-Infected Cell

Biosites: Nucleus

SARS-CoV-2 Fusion

Insulin Action

Coronavirus Life Cycle

Insulin Release

Chloroplast

Influenza Vaccine

Immunological Synapse

Lipid Droplets

HIV in Blood Plasma

Zika Virus

Excitatory and Inhibitory Synapses

Bacteriophage T4 Infection

Collagen and Extracellular Matrix

Respiratory Droplet

JCVI-syn3A Minimal Cell

Vascular Endothelial Growth Factor (VegF) Signaling

CytoSkeleton