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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.

Myoglobin Fold

Hemoglobin (1000)

Lysozyme (488)

Crambin

Induced Lac Repressor

Myoglobin

Hemoglobin S

Cytochrome c

DNA

Deoxyribonucleic Acid (DNA)

Oxyhemoglobin

Aspartate Transcarbamoylase (ATCase)

TATA-Binding Protein (TBP)

Hemoglobin

Immunoglobulin G (IgG)

Carboxypeptidase A

Transfer Ribonucleic Acid (tRNA)

A-DNA

Trypsin

Collagen

Lac Repressor

Cytochrome c (unbound)

B-DNA

Lysozyme (512)

Z-DNA

Deoxyhemoglobin

DPG-Hemoglobin Complex

Tomato Bushy Stunt Virus (TBSV)

Myohemerythrin

Ribonuclease S

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