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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.

Induced Lac Repressor

Carboxypeptidase A

Lysozyme (512)

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Ribonuclease S

Crambin

Myohemerythrin

Cytochrome c (unbound)

Transfer Ribonucleic Acid (tRNA)

DNA

TATA-Binding Protein (TBP)

B-DNA

Lac Repressor

Lysozyme (488)

Z-DNA

Trypsin

Myoglobin

Cytochrome c

Hemoglobin

Hemoglobin (1000)

Collagen

A-DNA

Tomato Bushy Stunt Virus (TBSV)

Intermolecular Contacts in Hemoglobin S

Oxyhemoglobin

DPG-Hemoglobin Complex

Immunoglobulin G (IgG)

Myoglobin Fold

Deoxyribonucleic Acid (DNA)

Deoxyhemoglobin

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