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Molecule of the Month

June 2026

Therapeutic Phage

Using the natural predators of bacteria to fight antibiotic-resistant infections

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Training Resources Spotlight

Guide to Understanding PDB Data

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

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

Education Corner PDB & Data Archiving Curriculum

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Molecular Origami: Build 3D Paper Models of Protein Domains

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Contact Customer Services with Questions and Feedback

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Guide to Understanding PDB Data: Primary Sequences

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Register for the June 1 Virtual Office Hour on Transitioning to the New PDB Beta Archive, Extended PDB IDs, and PDBx/mmCIF

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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.

A-DNA

Cytochrome c (unbound)

Ribonuclease S

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin S

Collagen

DNA

Lysozyme (488)

Z-DNA

Lac Repressor

TATA-Binding Protein (TBP)

Intermolecular Contacts in Hemoglobin S

Crambin

Lysozyme (512)

Oxyhemoglobin

DPG-Hemoglobin Complex

Hemoglobin

Deoxyhemoglobin

Myoglobin Fold

Hemoglobin (1000)

Immunoglobulin G (IgG)

Deoxyribonucleic Acid (DNA)

Induced Lac Repressor

Aspartate Transcarbamoylase (ATCase)

B-DNA

Carboxypeptidase A

Cytochrome c

Myoglobin

Transfer Ribonucleic Acid (tRNA)

Myohemerythrin

Trypsin

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