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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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Guide to Understanding PDB Data

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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.

Myohemerythrin

Lysozyme (488)

Tomato Bushy Stunt Virus (TBSV)

Carboxypeptidase A

Cytochrome c

Hemoglobin (1000)

DPG-Hemoglobin Complex

Intermolecular Contacts in Hemoglobin S

Deoxyribonucleic Acid (DNA)

A-DNA

Induced Lac Repressor

Cytochrome c (unbound)

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Crambin

Lac Repressor

Deoxyhemoglobin

Myoglobin Fold

Transfer Ribonucleic Acid (tRNA)

TATA-Binding Protein (TBP)

DNA

B-DNA

Collagen

Oxyhemoglobin

Trypsin

Hemoglobin

Lysozyme (512)

Ribonuclease S

Z-DNA

Immunoglobulin G (IgG)

Myoglobin

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