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Molecule of the Month

September 2026

Biofilms

Bacterial communities glued together and protected by biological polymers

3D View: 4P00

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Cartoon Spheres Surface

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Rainbow Chain Structure

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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

Impact of PDB Structures on Anti-Cancer Drug Approvals

» 08/31/2026

Watch the Webinar: Advanced Search

» 08/24/2026

PDB-101 Focus: Biotechnology

» 08/17/2026

Guide to Understanding PDB Data: 3D ED/MicroED

» 08/03/2026

Watch the Webinar: Exploring Integrative Structures with RCSB.org

» 07/27/2026

PDB-101 Focus: Biotechnology

» 07/20/2026

» 07/16/2026

Meet RCSB PDB at The Protein Society

» 07/15/2026

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Learn

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

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

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

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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.

Deoxyhemoglobin

Deoxyribonucleic Acid (DNA)

Myoglobin

Myoglobin Fold

DNA

Oxyhemoglobin

Lysozyme (488)

Carboxypeptidase A

Intermolecular Contacts in Hemoglobin S

Crambin

Trypsin

Induced Lac Repressor

Immunoglobulin G (IgG)

Hemoglobin (1000)

Hemoglobin

Transfer Ribonucleic Acid (tRNA)

A-DNA

Ribonuclease S

Collagen

Lac Repressor

TATA-Binding Protein (TBP)

Aspartate Transcarbamoylase (ATCase)

Lysozyme (512)

Tomato Bushy Stunt Virus (TBSV)

Z-DNA

Myohemerythrin

Hemoglobin S

Cytochrome c

DPG-Hemoglobin Complex

B-DNA

Cytochrome c (unbound)

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