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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.

Lysozyme (512)

Collagen

Crambin

Immunoglobulin G (IgG)

Hemoglobin

Transfer Ribonucleic Acid (tRNA)

Cytochrome c

Carboxypeptidase A

Oxyhemoglobin

A-DNA

Ribonuclease S

Induced Lac Repressor

Tomato Bushy Stunt Virus (TBSV)

Lac Repressor

Cytochrome c (unbound)

Myohemerythrin

TATA-Binding Protein (TBP)

Deoxyhemoglobin

Hemoglobin (1000)

Myoglobin

DNA

DPG-Hemoglobin Complex

Intermolecular Contacts in Hemoglobin S

Z-DNA

Deoxyribonucleic Acid (DNA)

Aspartate Transcarbamoylase (ATCase)

Lysozyme (488)

Hemoglobin S

B-DNA

Trypsin

Myoglobin Fold

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