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.

Deoxyhemoglobin

Hemoglobin S

Ribonuclease S

Transfer Ribonucleic Acid (tRNA)

Immunoglobulin G (IgG)

Z-DNA

DNA

A-DNA

Aspartate Transcarbamoylase (ATCase)

Collagen

Tomato Bushy Stunt Virus (TBSV)

Myohemerythrin

Hemoglobin (1000)

B-DNA

Myoglobin

TATA-Binding Protein (TBP)

Myoglobin Fold

Cytochrome c (unbound)

Hemoglobin

Lysozyme (512)

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

Cytochrome c

DPG-Hemoglobin Complex

Lysozyme (488)

Crambin

Induced Lac Repressor

Deoxyribonucleic Acid (DNA)

Carboxypeptidase A

Trypsin

Lac Repressor

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

Cellulose Synthase

SARS-CoV-2 Fusion

CytoSkeleton

Myelin

HIV Vaccine

Model of a Mycoplasma Cell

Mycoplasma mycoides

Caulobacter Polar Microdomain

Ebola Virus

Respiratory Droplet

Poliovirus Neutralization

Zika Virus

HIV-Infected Cell

Transfer RNA and Gag Protein

Collagen and Extracellular Matrix

Escherichia coli Bacterium

Biosites: Basement Membrane

SARS-CoV-2 mRNA Vaccine

Myoglobin in a Whale Muscle Cell

Casein Micelle and Fat Globule in Milk

Excitatory and Inhibitory Synapses

HIV in Blood Plasma

Vascular Endothelial Growth Factor (VegF) Signaling

Last Universal Common Ancestor

Measles Virus Proteins

RecA and DNA

Escherichia coli

SARS-CoV-2 and Neutralizing Antibodies

Autophagy

Biosites: Blood Plasma

Bacteriophage T4 Infection

Biosites: Muscle

Abiogenesis

Coronavirus Life Cycle

Lipid Droplets

Insulin Action

Immunological Synapse

Coronavirus

Biosites: Red Blood Cell

Biosites: Cytoplasm

Influenza Vaccine

JCVI-syn3A Minimal Cell

Insulin Release

Biosites: Nucleus

Kinetochore

Phage-based COVID-19 Vaccine

Red Blood Cell Cytoskeleton

Blood

Chloroplast

Influenza Virus