Molecule of the Month
June 2026

Therapeutic Phage

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

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PDB data help explain fundamental biology, biomedicine, bioengineering/biotechnology, and energy sciences
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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.

DNA

Tomato Bushy Stunt Virus (TBSV)

TATA-Binding Protein (TBP)

Myohemerythrin

A-DNA

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

Lysozyme (488)

DPG-Hemoglobin Complex

B-DNA

Crambin

Collagen

Immunoglobulin G (IgG)

Induced Lac Repressor

Hemoglobin

Carboxypeptidase A

Deoxyribonucleic Acid (DNA)

Hemoglobin (1000)

Cytochrome c

Trypsin

Ribonuclease S

Myoglobin

Lysozyme (512)

Myoglobin Fold

Transfer Ribonucleic Acid (tRNA)

Aspartate Transcarbamoylase (ATCase)

Cytochrome c (unbound)

Lac Repressor

Hemoglobin S

Deoxyhemoglobin

Z-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

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Nucleus

Influenza Virus

Collagen and Extracellular Matrix

Coronavirus Life Cycle

Biosites: Red Blood Cell

Influenza Vaccine

Immunological Synapse

Biosites: Basement Membrane

Casein Micelle and Fat Globule in Milk

JCVI-syn3A Minimal Cell

Lipid Droplets

SARS-CoV-2 mRNA Vaccine

HIV in Blood Plasma

Model of a Mycoplasma Cell

Respiratory Droplet

CytoSkeleton

Bacteriophage T4 Infection

Escherichia coli

Vascular Endothelial Growth Factor (VegF) Signaling

Ebola Virus

Biosites: Muscle

Escherichia coli Bacterium

Caulobacter Polar Microdomain

Measles Virus Proteins

Biosites: Blood Plasma

Poliovirus Neutralization

Myelin

Excitatory and Inhibitory Synapses

SARS-CoV-2 Fusion

Zika Virus

HIV Vaccine

Red Blood Cell Cytoskeleton

Cellulose Synthase

Blood

Transfer RNA and Gag Protein

Mycoplasma mycoides

Chloroplast

Phage-based COVID-19 Vaccine

HIV-Infected Cell

RecA and DNA

Biosites: Cytoplasm

Autophagy

Last Universal Common Ancestor

Myoglobin in a Whale Muscle Cell

Insulin Action

Kinetochore

Insulin Release

Coronavirus

Abiogenesis