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Molecule of the Month

September 2026

Biofilms

Bacterial communities glued together and protected by biological polymers

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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 Prize Awarded at The Protein Society

» 09/28/2026

Structural Biology and Nobel Prizes

» 09/27/2026

Watch the Webinar: Chemical Search

» 09/21/2026

Poster Prize Awarded at ISMB

» 09/17/2026

Register for the Oct 22 Virtual Office Hour on Transitioning to the New PDB Beta Archive, Extended PDB IDs, and PDBx/mmCIF

» 09/17/2026

PDB-101 Focus: Biotechnology

» 09/16/2026

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

» 09/06/2026

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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.

DNA

Carboxypeptidase A

Hemoglobin

A-DNA

Aspartate Transcarbamoylase (ATCase)

TATA-Binding Protein (TBP)

Collagen

Induced Lac Repressor

Lac Repressor

Lysozyme (488)

Transfer Ribonucleic Acid (tRNA)

Immunoglobulin G (IgG)

Deoxyribonucleic Acid (DNA)

Hemoglobin S

Lysozyme (512)

Trypsin

Oxyhemoglobin

Z-DNA

Crambin

Intermolecular Contacts in Hemoglobin S

Ribonuclease S

Tomato Bushy Stunt Virus (TBSV)

Myoglobin Fold

B-DNA

Myoglobin

Myohemerythrin

DPG-Hemoglobin Complex

Cytochrome c

Hemoglobin (1000)

Deoxyhemoglobin

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