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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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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.

Carboxypeptidase A

DPG-Hemoglobin Complex

Lac Repressor

Transfer Ribonucleic Acid (tRNA)

DNA

Deoxyribonucleic Acid (DNA)

A-DNA

Trypsin

Z-DNA

Intermolecular Contacts in Hemoglobin S

Tomato Bushy Stunt Virus (TBSV)

B-DNA

Aspartate Transcarbamoylase (ATCase)

Crambin

Collagen

Myohemerythrin

Hemoglobin S

Deoxyhemoglobin

Hemoglobin (1000)

Cytochrome c

Induced Lac Repressor

Hemoglobin

Lysozyme (488)

Myoglobin Fold

Oxyhemoglobin

Myoglobin

Lysozyme (512)

Ribonuclease S

Cytochrome c (unbound)

Immunoglobulin G (IgG)

TATA-Binding Protein (TBP)

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