Molecule of the Month
February 2025

H5 Hemagglutinin

Sugar-binding protein on the surface of the H5N1 avian influenza virus

More

3D View:  1JSN

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)

Tomato Bushy Stunt Virus (TBSV)

Myoglobin Fold

Crambin

Intermolecular Contacts in Hemoglobin S

Hemoglobin (1000)

Myohemerythrin

Aspartate Transcarbamoylase (ATCase)

A-DNA

Cytochrome c (unbound)

Cytochrome c

Myoglobin

Z-DNA

B-DNA

Ribonuclease S

Induced Lac Repressor

DNA

Deoxyhemoglobin

Lysozyme (512)

Lysozyme (488)

Lac Repressor

Hemoglobin S

Hemoglobin

Transfer Ribonucleic Acid (tRNA)

Collagen

Immunoglobulin G (IgG)

Carboxypeptidase A

Trypsin

TATA-Binding Protein (TBP)

Oxyhemoglobin

DPG-Hemoglobin Complex

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

HIV Vaccine

SARS-CoV-2 and Neutralizing Antibodies

HIV-Infected Cell

Caulobacter Polar Microdomain

Zika Virus

RecA and DNA

Biosites: Basement Membrane

Bacteriophage T4 Infection

Autophagy

Influenza Virus

Kinetochore

Biosites: Muscle

SARS-CoV-2 Fusion

Escherichia coli

Transfer RNA and Gag Protein

Collagen and Extracellular Matrix

Myelin

JCVI-syn3A Minimal Cell

Last Universal Common Ancestor

Phage-based COVID-19 Vaccine

Biosites: Cytoplasm

Lipid Droplets

Casein Micelle and Fat Globule in Milk

Model of a Mycoplasma Cell

Poliovirus Neutralization

Coronavirus Life Cycle

Insulin Action

Excitatory and Inhibitory Synapses

Myoglobin in a Whale Muscle Cell

CytoSkeleton

Influenza Vaccine

Respiratory Droplet

Red Blood Cell Cytoskeleton

Immunological Synapse

Chloroplast

Blood

Biosites: Nucleus

Cellulose Synthase

HIV in Blood Plasma

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Blood Plasma

Measles Virus Proteins

Escherichia coli Bacterium

Biosites: Red Blood Cell

Mycoplasma mycoides

Abiogenesis

Ebola Virus

Coronavirus

SARS-CoV-2 mRNA Vaccine

Insulin Release