Molecule of the Month
June 2026

Therapeutic Phage

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

More

3D View:  8FRS

Style

Color

Spin

Learn
PDB data help explain fundamental biology, biomedicine, bioengineering/biotechnology, and energy sciences
Feature Focus
Use PDB-101 resources to learn how researchers are using biology in industry
Teach
The RCSB PDB Curricula provide authentic, hands-on teaching materials, individual and group activities and assessment suggestions
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.

Z-DNA

Hemoglobin

Cytochrome c

A-DNA

Ribonuclease S

TATA-Binding Protein (TBP)

DNA

Transfer Ribonucleic Acid (tRNA)

DPG-Hemoglobin Complex

Aspartate Transcarbamoylase (ATCase)

Myoglobin Fold

Crambin

Intermolecular Contacts in Hemoglobin S

Carboxypeptidase A

Collagen

Hemoglobin (1000)

Lysozyme (512)

Oxyhemoglobin

Induced Lac Repressor

Myohemerythrin

Cytochrome c (unbound)

Immunoglobulin G (IgG)

Trypsin

Lac Repressor

Tomato Bushy Stunt Virus (TBSV)

Lysozyme (488)

Deoxyribonucleic Acid (DNA)

Myoglobin

B-DNA

Deoxyhemoglobin

Hemoglobin S

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

Transfer RNA and Gag Protein

Biosites: Red Blood Cell

Influenza Vaccine

Escherichia coli

JCVI-syn3A Minimal Cell

Biosites: Nucleus

Abiogenesis

Biosites: Basement Membrane

Blood

Autophagy

Casein Micelle and Fat Globule in Milk

Excitatory and Inhibitory Synapses

Coronavirus Life Cycle

Cellulose Synthase

SARS-CoV-2 and Neutralizing Antibodies

HIV-Infected Cell

Lipid Droplets

Measles Virus Proteins

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Muscle

Mycoplasma mycoides

Kinetochore

Influenza Virus

Last Universal Common Ancestor

Collagen and Extracellular Matrix

Ebola Virus

Zika Virus

Immunological Synapse

Myelin

Insulin Action

HIV in Blood Plasma

CytoSkeleton

Poliovirus Neutralization

Chloroplast

SARS-CoV-2 mRNA Vaccine

Respiratory Droplet

HIV Vaccine

Biosites: Blood Plasma

Insulin Release

Coronavirus

Myoglobin in a Whale Muscle Cell

Phage-based COVID-19 Vaccine

Escherichia coli Bacterium

Model of a Mycoplasma Cell

Red Blood Cell Cytoskeleton

RecA and DNA

Caulobacter Polar Microdomain

Bacteriophage T4 Infection

SARS-CoV-2 Fusion

Biosites: Cytoplasm