Training and outreach portal of

Molecule of the Month

February 2026

Histones Across the Tree of Life

Uncovering the evolutionary diversity of histones

3D View:

Style

Cartoon Spheres Surface

Color

Rainbow Chain Structure

Spin

On Off

All articles: By Date By Category By Title

Browse resources by category

Health and Disease

	Antimicrobial Resistance
	Cancer
	Coronavirus
	Diabetes
	Drug Action
	Drugs and the Brain
	HIV and AIDS
	Immune System
	Infectious Disease
	Peak Performance
	Toxins and Poisons
	Vaccines
	Viruses
	You and Your Health

Molecules of Life

	Biological Energy
	Biology of Plants
	Bioluminescence and Fluorescence
	Cellular Signaling
	Central Dogma
	Enzymes
	Molecular Evolution
	Molecular Infrastructure
	Molecular Motors
	Molecules for a Sustainable Future
	Nucleic Acids
	Protein Synthesis
	Transport

Biotech and Nanotech

	Biotechnology
	Nanotechnology
	Recombinant DNA
	Renewable Energy

Structures and Structure Determination

	Biomolecular Structural Biology
	Biomolecules
	Integrative/Hybrid Methods
	Nobel Prizes and PDB structures
	PDB Data
	Protein Structure Prediction, Design, and Computed Structure Models
	Visualizing Molecules

Training Resources Spotlight

Guide to Understanding PDB Data

Guided reference for methods of obtaining, exploration, and interpretation of PDB entries

Training Courses

Recorded lectures and related resources

Featured:

Exploring the Workhorses of Biotechnology: Using RCSB.org to analyze plastic-degrading enzymes

Education Corner PDB & Data Archiving Curriculum

News and Events

How Structural Biologists and the PDB Drive Innovation

» 02/04/2026

February 4 is World Cancer Day

» 02/01/2026

» 01/28/2026

Impact of PDB Structures on Anti-Cancer Drug Approvals

» 01/27/2026

» 01/26/2026

January is Cervical Cancer Awareness Month

» 01/20/2026

Winter Newsletter Published

» 01/15/2026

Top Molecules of the Month in 2025

» 01/12/2026

» 01/11/2026

All News

Learn

PDB data help explain fundamental biology, biomedicine, bioengineering/biotechnology, and energy sciences

Paper Models Posters Videos Interactives

Feature Focus

Use PDB-101 resources to learn how researchers are using biology in industry

Browse all articles

Teach

The RCSB PDB Curricula provide authentic, hands-on teaching materials, individual and group activities and assessment suggestions

All Curricula

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.

Collagen

Aspartate Transcarbamoylase (ATCase)

Intermolecular Contacts in Hemoglobin S

Myohemerythrin

Lysozyme (512)

Crambin

Deoxyhemoglobin

Z-DNA

Deoxyribonucleic Acid (DNA)

Induced Lac Repressor

TATA-Binding Protein (TBP)

Lysozyme (488)

Immunoglobulin G (IgG)

Transfer Ribonucleic Acid (tRNA)

Trypsin

Ribonuclease S

Oxyhemoglobin

Hemoglobin S

DNA

Cytochrome c

B-DNA

Cytochrome c (unbound)

Lac Repressor

DPG-Hemoglobin Complex

Myoglobin Fold

Hemoglobin

A-DNA

Tomato Bushy Stunt Virus (TBSV)

Carboxypeptidase A

Myoglobin

Hemoglobin (1000)

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