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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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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.

Ribonuclease S

Trypsin

Carboxypeptidase A

Cytochrome c (unbound)

Hemoglobin (1000)

B-DNA

Myoglobin

Collagen

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

Z-DNA

Lysozyme (488)

Tomato Bushy Stunt Virus (TBSV)

Transfer Ribonucleic Acid (tRNA)

Crambin

Myohemerythrin

Lac Repressor

Induced Lac Repressor

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Lysozyme (512)

A-DNA

DPG-Hemoglobin Complex

Myoglobin Fold

Deoxyribonucleic Acid (DNA)

DNA

TATA-Binding Protein (TBP)

Deoxyhemoglobin

Immunoglobulin G (IgG)

Cytochrome c

Hemoglobin

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