Molecule of the Month
November 2026

Artificial Metalloenzymes

Engineering enzymes to catalyze reactions never seen in nature

More

3D View:  5f2b

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.

Aspartate Transcarbamoylase (ATCase)

Myoglobin Fold

Deoxyhemoglobin

Lysozyme (488)

Hemoglobin

Cytochrome c

Tomato Bushy Stunt Virus (TBSV)

Myohemerythrin

Induced Lac Repressor

Crambin

Hemoglobin S

Myoglobin

Intermolecular Contacts in Hemoglobin S

TATA-Binding Protein (TBP)

Cytochrome c (unbound)

B-DNA

Transfer Ribonucleic Acid (tRNA)

Lysozyme (512)

Hemoglobin (1000)

DPG-Hemoglobin Complex

Ribonuclease S

Oxyhemoglobin

Collagen

Z-DNA

Deoxyribonucleic Acid (DNA)

DNA

Trypsin

Immunoglobulin G (IgG)

A-DNA

Lac Repressor

Carboxypeptidase A

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: Cytoplasm

Myoglobin in a Whale Muscle Cell

Ebola Virus

JCVI-syn3A Minimal Cell

SARS-CoV-2 Fusion

Insulin Action

Last Universal Common Ancestor

Escherichia coli Bacterium

Biosites: Blood Plasma

Abiogenesis

Model of a Mycoplasma Cell

Insulin Release

Biosites: Basement Membrane

Red Blood Cell Cytoskeleton

Caulobacter Polar Microdomain

Transfer RNA and Gag Protein

HIV in Blood Plasma

Cellulose Synthase

HIV Vaccine

Influenza Virus

Kinetochore

Biosites: Nucleus

HIV-Infected Cell

Bacteriophage T4 Infection

Coronavirus Life Cycle

Casein Micelle and Fat Globule in Milk

Respiratory Droplet

RecA and DNA

Zika Virus

Excitatory and Inhibitory Synapses

Measles Virus Proteins

Escherichia coli

Poliovirus Neutralization

SARS-CoV-2 mRNA Vaccine

Collagen and Extracellular Matrix

Chloroplast

Blood

Autophagy

Myelin

Influenza Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Mycoplasma mycoides

Biosites: Muscle

Lipid Droplets

Biosites: Red Blood Cell

SARS-CoV-2 and Neutralizing Antibodies

Immunological Synapse

CytoSkeleton

Phage-based COVID-19 Vaccine

Coronavirus