Molecule of the Month
July 2025

Capturing Beta-Lactamase in Action

Researchers visualize the mechanism of antibiotic resistance

More

3D View:  6B68

Style

Color

Spin

Learn
PDB data help explain fundamental biology, biomedicine, bioengineering/biotechnology, and energy sciences
Health Focus
Use PDB-101 resources to learn about the structural biology of athletics and well-being
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.

Lac Repressor

Cytochrome c (unbound)

Myohemerythrin

Deoxyhemoglobin

Intermolecular Contacts in Hemoglobin S

Hemoglobin S

Tomato Bushy Stunt Virus (TBSV)

TATA-Binding Protein (TBP)

Trypsin

Lysozyme (488)

Aspartate Transcarbamoylase (ATCase)

Induced Lac Repressor

Crambin

Hemoglobin

DNA

A-DNA

Oxyhemoglobin

Lysozyme (512)

Cytochrome c

Hemoglobin (1000)

Transfer Ribonucleic Acid (tRNA)

Carboxypeptidase A

Z-DNA

Myoglobin Fold

Ribonuclease S

Myoglobin

DPG-Hemoglobin Complex

Immunoglobulin G (IgG)

Collagen

Deoxyribonucleic Acid (DNA)

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

Biosites: Basement Membrane

Vascular Endothelial Growth Factor (VegF) Signaling

Casein Micelle and Fat Globule in Milk

Insulin Action

Kinetochore

Biosites: Cytoplasm

RecA and DNA

Model of a Mycoplasma Cell

Caulobacter Polar Microdomain

Lipid Droplets

Escherichia coli

Collagen and Extracellular Matrix

Insulin Release

Immunological Synapse

HIV in Blood Plasma

Coronavirus Life Cycle

Chloroplast

Biosites: Muscle

SARS-CoV-2 mRNA Vaccine

Blood

Influenza Vaccine

HIV Vaccine

Abiogenesis

Autophagy

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 Fusion

Biosites: Blood Plasma

Last Universal Common Ancestor

Cellulose Synthase

Biosites: Nucleus

Mycoplasma mycoides

JCVI-syn3A Minimal Cell

SARS-CoV-2 and Neutralizing Antibodies

HIV-Infected Cell

Biosites: Red Blood Cell

Escherichia coli Bacterium

Phage-based COVID-19 Vaccine

Myelin

Red Blood Cell Cytoskeleton

Measles Virus Proteins

Influenza Virus

CytoSkeleton

Transfer RNA and Gag Protein

Zika Virus

Bacteriophage T4 Infection

Respiratory Droplet

Poliovirus Neutralization

Ebola Virus

Excitatory and Inhibitory Synapses

Coronavirus