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.

Intermolecular Contacts in Hemoglobin S

Z-DNA

Oxyhemoglobin

DPG-Hemoglobin Complex

Transfer Ribonucleic Acid (tRNA)

Tomato Bushy Stunt Virus (TBSV)

Crambin

Induced Lac Repressor

Carboxypeptidase A

Collagen

Lysozyme (488)

Myoglobin

Lac Repressor

Myohemerythrin

Deoxyribonucleic Acid (DNA)

Ribonuclease S

TATA-Binding Protein (TBP)

Trypsin

Cytochrome c (unbound)

DNA

Immunoglobulin G (IgG)

Aspartate Transcarbamoylase (ATCase)

Deoxyhemoglobin

Hemoglobin

Hemoglobin (1000)

Myoglobin Fold

A-DNA

Cytochrome c

Lysozyme (512)

Hemoglobin S

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

Casein Micelle and Fat Globule in Milk

Bacteriophage T4 Infection

Ebola Virus

Measles Virus Proteins

Model of a Mycoplasma Cell

Caulobacter Polar Microdomain

Biosites: Cytoplasm

Last Universal Common Ancestor

Myelin

Biosites: Basement Membrane

Insulin Action

Influenza Vaccine

HIV in Blood Plasma

Biosites: Blood Plasma

Chloroplast

HIV Vaccine

Biosites: Muscle

Red Blood Cell Cytoskeleton

SARS-CoV-2 and Neutralizing Antibodies

JCVI-syn3A Minimal Cell

Respiratory Droplet

Vascular Endothelial Growth Factor (VegF) Signaling

CytoSkeleton

Phage-based COVID-19 Vaccine

Biosites: Nucleus

Immunological Synapse

SARS-CoV-2 Fusion

Mycoplasma mycoides

Escherichia coli Bacterium

Autophagy

Coronavirus

Cellulose Synthase

Excitatory and Inhibitory Synapses

Lipid Droplets

Escherichia coli

Insulin Release

Biosites: Red Blood Cell

RecA and DNA

Poliovirus Neutralization

HIV-Infected Cell

Blood

Myoglobin in a Whale Muscle Cell

Coronavirus Life Cycle

Transfer RNA and Gag Protein

Influenza Virus

Collagen and Extracellular Matrix

Zika Virus

SARS-CoV-2 mRNA Vaccine

Kinetochore

Abiogenesis