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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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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.

Trypsin

Immunoglobulin G (IgG)

TATA-Binding Protein (TBP)

Hemoglobin S

Lac Repressor

Myohemerythrin

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin (1000)

Hemoglobin

Crambin

Ribonuclease S

DNA

Myoglobin Fold

Myoglobin

Oxyhemoglobin

Aspartate Transcarbamoylase (ATCase)

Cytochrome c

A-DNA

Lysozyme (512)

Z-DNA

Collagen

B-DNA

Deoxyhemoglobin

Induced Lac Repressor

Lysozyme (488)

Carboxypeptidase A

Transfer Ribonucleic Acid (tRNA)

DPG-Hemoglobin Complex

Deoxyribonucleic Acid (DNA)

Cytochrome c (unbound)

Intermolecular Contacts in Hemoglobin S

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