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.

DNA

Cytochrome c

Deoxyhemoglobin

Myoglobin Fold

A-DNA

Lysozyme (512)

Z-DNA

Hemoglobin S

Hemoglobin

Myohemerythrin

B-DNA

Tomato Bushy Stunt Virus (TBSV)

Induced Lac Repressor

Intermolecular Contacts in Hemoglobin S

TATA-Binding Protein (TBP)

Collagen

Lac Repressor

Immunoglobulin G (IgG)

Ribonuclease S

Carboxypeptidase A

Myoglobin

Trypsin

Lysozyme (488)

Cytochrome c (unbound)

Transfer Ribonucleic Acid (tRNA)

Crambin

DPG-Hemoglobin Complex

Oxyhemoglobin

Hemoglobin (1000)

Aspartate Transcarbamoylase (ATCase)

Deoxyribonucleic Acid (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

Cellulose Synthase

HIV-Infected Cell

Kinetochore

Influenza Virus

Ebola Virus

JCVI-syn3A Minimal Cell

SARS-CoV-2 and Neutralizing Antibodies

Transfer RNA and Gag Protein

Collagen and Extracellular Matrix

Measles Virus Proteins

Zika Virus

HIV Vaccine

Myoglobin in a Whale Muscle Cell

Blood

Biosites: Nucleus

Insulin Action

Bacteriophage T4 Infection

Myelin

Excitatory and Inhibitory Synapses

SARS-CoV-2 mRNA Vaccine

Phage-based COVID-19 Vaccine

Autophagy

Red Blood Cell Cytoskeleton

Biosites: Basement Membrane

Escherichia coli

Coronavirus

Biosites: Red Blood Cell

CytoSkeleton

SARS-CoV-2 Fusion

Mycoplasma mycoides

Escherichia coli Bacterium

Chloroplast

Casein Micelle and Fat Globule in Milk

Coronavirus Life Cycle

Insulin Release

Abiogenesis

Last Universal Common Ancestor

Biosites: Blood Plasma

RecA and DNA

Respiratory Droplet

Caulobacter Polar Microdomain

Vascular Endothelial Growth Factor (VegF) Signaling

Poliovirus Neutralization

Immunological Synapse

Model of a Mycoplasma Cell

HIV in Blood Plasma

Biosites: Muscle

Influenza Vaccine

Biosites: Cytoplasm

Lipid Droplets