Molecule of the Month
April 2025

Apolipoprotein B-100 and LDL Receptor

Insights into how LDL is removed from the bloodstream

More

3D View:  9BDT

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.

Deoxyribonucleic Acid (DNA)

Ribonuclease S

A-DNA

TATA-Binding Protein (TBP)

Hemoglobin (1000)

B-DNA

Deoxyhemoglobin

Z-DNA

Tomato Bushy Stunt Virus (TBSV)

Crambin

Myoglobin Fold

Collagen

Induced Lac Repressor

DNA

Cytochrome c (unbound)

Hemoglobin

Hemoglobin S

Carboxypeptidase A

Myoglobin

Oxyhemoglobin

Trypsin

Transfer Ribonucleic Acid (tRNA)

Aspartate Transcarbamoylase (ATCase)

Myohemerythrin

DPG-Hemoglobin Complex

Intermolecular Contacts in Hemoglobin S

Lysozyme (512)

Lac Repressor

Lysozyme (488)

Immunoglobulin G (IgG)

Cytochrome c

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

Respiratory Droplet

Ebola Virus

Biosites: Muscle

Bacteriophage T4 Infection

Biosites: Cytoplasm

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 Fusion

Excitatory and Inhibitory Synapses

Phage-based COVID-19 Vaccine

SARS-CoV-2 and Neutralizing Antibodies

RecA and DNA

Influenza Virus

Mycoplasma mycoides

CytoSkeleton

Autophagy

HIV in Blood Plasma

Lipid Droplets

Influenza Vaccine

Red Blood Cell Cytoskeleton

Chloroplast

Biosites: Nucleus

Collagen and Extracellular Matrix

Last Universal Common Ancestor

Immunological Synapse

Biosites: Blood Plasma

Escherichia coli Bacterium

SARS-CoV-2 mRNA Vaccine

JCVI-syn3A Minimal Cell

Coronavirus

Kinetochore

Transfer RNA and Gag Protein

Caulobacter Polar Microdomain

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Red Blood Cell

Escherichia coli

HIV-Infected Cell

Biosites: Basement Membrane

Cellulose Synthase

Blood

Model of a Mycoplasma Cell

HIV Vaccine

Insulin Action

Myelin

Casein Micelle and Fat Globule in Milk

Poliovirus Neutralization

Abiogenesis

Zika Virus

Insulin Release

Coronavirus Life Cycle

Measles Virus Proteins