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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

Poster Prizes Awarded at IUCr

» 09/13/2026

Education Corner: Solving Structures, Enabling Discovery

» 09/08/2026

Guide to Understanding PDB Data: Metalloproteins

» 09/07/2026

Software Developers: Join our Team at Rutgers

» 09/01/2026

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

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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.

Lysozyme (512)

Myoglobin

Cytochrome c (unbound)

Hemoglobin

A-DNA

Transfer Ribonucleic Acid (tRNA)

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Myohemerythrin

Hemoglobin (1000)

DNA

Collagen

Z-DNA

Intermolecular Contacts in Hemoglobin S

Crambin

Tomato Bushy Stunt Virus (TBSV)

Deoxyhemoglobin

Lac Repressor

Cytochrome c

Trypsin

Carboxypeptidase A

Immunoglobulin G (IgG)

Myoglobin Fold

Oxyhemoglobin

DPG-Hemoglobin Complex

Lysozyme (488)

Induced Lac Repressor

Deoxyribonucleic Acid (DNA)

Ribonuclease S

B-DNA

TATA-Binding Protein (TBP)

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