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Molecule of the Month

November 2026

Artificial Metalloenzymes

Engineering enzymes to catalyze reactions never seen in nature

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Guide to Understanding PDB Data

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

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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.

Hemoglobin (1000)

Deoxyhemoglobin

Z-DNA

A-DNA

Lysozyme (512)

Collagen

DNA

Deoxyribonucleic Acid (DNA)

Crambin

Aspartate Transcarbamoylase (ATCase)

Lysozyme (488)

Intermolecular Contacts in Hemoglobin S

Cytochrome c (unbound)

Carboxypeptidase A

Ribonuclease S

Lac Repressor

Immunoglobulin G (IgG)

Trypsin

Hemoglobin

Hemoglobin S

Myoglobin Fold

TATA-Binding Protein (TBP)

Induced Lac Repressor

B-DNA

Myoglobin

Cytochrome c

Myohemerythrin

Transfer Ribonucleic Acid (tRNA)

Oxyhemoglobin

Tomato Bushy Stunt Virus (TBSV)

DPG-Hemoglobin Complex

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