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.

Ribonuclease S

Crambin

Lac Repressor

Carboxypeptidase A

DNA

Z-DNA

Myoglobin

Cytochrome c

Myohemerythrin

Lysozyme (512)

Myoglobin Fold

Cytochrome c (unbound)

Aspartate Transcarbamoylase (ATCase)

Transfer Ribonucleic Acid (tRNA)

Collagen

Deoxyhemoglobin

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

Hemoglobin

TATA-Binding Protein (TBP)

Hemoglobin S

DPG-Hemoglobin Complex

Lysozyme (488)

Trypsin

Deoxyribonucleic Acid (DNA)

Tomato Bushy Stunt Virus (TBSV)

Induced Lac Repressor

Immunoglobulin G (IgG)

A-DNA

Hemoglobin (1000)

B-DNA

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

HIV in Blood Plasma

CytoSkeleton

Phage-based COVID-19 Vaccine

Insulin Release

Mycoplasma mycoides

Myelin

JCVI-syn3A Minimal Cell

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Red Blood Cell

Poliovirus Neutralization

Vascular Endothelial Growth Factor (VegF) Signaling

Collagen and Extracellular Matrix

Biosites: Blood Plasma

Influenza Virus

Cellulose Synthase

Model of a Mycoplasma Cell

Caulobacter Polar Microdomain

Escherichia coli Bacterium

HIV Vaccine

Respiratory Droplet

Measles Virus Proteins

Immunological Synapse

Excitatory and Inhibitory Synapses

Bacteriophage T4 Infection

SARS-CoV-2 Fusion

Coronavirus Life Cycle

Chloroplast

Transfer RNA and Gag Protein

Last Universal Common Ancestor

Blood

Zika Virus

Insulin Action

Kinetochore

Coronavirus

SARS-CoV-2 mRNA Vaccine

Escherichia coli

Myoglobin in a Whale Muscle Cell

RecA and DNA

Influenza Vaccine

Biosites: Basement Membrane

HIV-Infected Cell

Biosites: Muscle

Lipid Droplets

Abiogenesis

Biosites: Nucleus

Ebola Virus

Red Blood Cell Cytoskeleton

Biosites: Cytoplasm

Autophagy

Casein Micelle and Fat Globule in Milk