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.

DNA

Myoglobin

Induced Lac Repressor

Hemoglobin (1000)

Hemoglobin S

Lac Repressor

Aspartate Transcarbamoylase (ATCase)

Myoglobin Fold

Cytochrome c (unbound)

Lysozyme (512)

Crambin

Collagen

Lysozyme (488)

TATA-Binding Protein (TBP)

Transfer Ribonucleic Acid (tRNA)

Deoxyhemoglobin

Tomato Bushy Stunt Virus (TBSV)

A-DNA

Intermolecular Contacts in Hemoglobin S

Immunoglobulin G (IgG)

Z-DNA

Myohemerythrin

Cytochrome c

Oxyhemoglobin

Hemoglobin

Deoxyribonucleic Acid (DNA)

DPG-Hemoglobin Complex

B-DNA

Carboxypeptidase A

Ribonuclease S

Trypsin

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: Red Blood Cell

Insulin Action

SARS-CoV-2 and Neutralizing Antibodies

CytoSkeleton

HIV Vaccine

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 mRNA Vaccine

Coronavirus

Ebola Virus

Escherichia coli

Red Blood Cell Cytoskeleton

Collagen and Extracellular Matrix

Respiratory Droplet

Measles Virus Proteins

Cellulose Synthase

Immunological Synapse

Mycoplasma mycoides

Excitatory and Inhibitory Synapses

Blood

Biosites: Muscle

HIV-Infected Cell

Insulin Release

Biosites: Blood Plasma

RecA and DNA

SARS-CoV-2 Fusion

Caulobacter Polar Microdomain

Model of a Mycoplasma Cell

Abiogenesis

Autophagy

Poliovirus Neutralization

Influenza Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Casein Micelle and Fat Globule in Milk

Transfer RNA and Gag Protein

Bacteriophage T4 Infection

Phage-based COVID-19 Vaccine

Escherichia coli Bacterium

Myelin

Lipid Droplets

Biosites: Basement Membrane

Biosites: Nucleus

Chloroplast

Last Universal Common Ancestor

Zika Virus

HIV in Blood Plasma

Kinetochore

JCVI-syn3A Minimal Cell

Coronavirus Life Cycle

Biosites: Cytoplasm

Influenza Virus