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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.

Deoxyribonucleic Acid (DNA)

Cytochrome c (unbound)

Trypsin

B-DNA

TATA-Binding Protein (TBP)

Lac Repressor

Hemoglobin S

Induced Lac Repressor

Lysozyme (488)

Myoglobin

Intermolecular Contacts in Hemoglobin S

Hemoglobin (1000)

Tomato Bushy Stunt Virus (TBSV)

Deoxyhemoglobin

Lysozyme (512)

Myohemerythrin

Carboxypeptidase A

A-DNA

Myoglobin Fold

Cytochrome c

Collagen

DNA

Oxyhemoglobin

Transfer Ribonucleic Acid (tRNA)

Hemoglobin

Z-DNA

Ribonuclease S

DPG-Hemoglobin Complex

Aspartate Transcarbamoylase (ATCase)

Immunoglobulin G (IgG)

Crambin

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