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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

Hemoglobin (1000)

Lac Repressor

Myoglobin

Hemoglobin S

Cytochrome c (unbound)

Deoxyhemoglobin

Lysozyme (512)

Intermolecular Contacts in Hemoglobin S

Immunoglobulin G (IgG)

Transfer Ribonucleic Acid (tRNA)

TATA-Binding Protein (TBP)

Tomato Bushy Stunt Virus (TBSV)

Aspartate Transcarbamoylase (ATCase)

Trypsin

DPG-Hemoglobin Complex

DNA

Myoglobin Fold

Crambin

B-DNA

Z-DNA

Oxyhemoglobin

A-DNA

Lysozyme (488)

Induced Lac Repressor

Deoxyribonucleic Acid (DNA)

Myohemerythrin

Ribonuclease S

Hemoglobin

Collagen

Cytochrome c

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