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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.

Tomato Bushy Stunt Virus (TBSV)

B-DNA

A-DNA

DNA

Trypsin

Deoxyhemoglobin

Deoxyribonucleic Acid (DNA)

Crambin

Collagen

Lysozyme (488)

Hemoglobin S

Oxyhemoglobin

DPG-Hemoglobin Complex

Lac Repressor

Myoglobin

Transfer Ribonucleic Acid (tRNA)

Induced Lac Repressor

Carboxypeptidase A

Intermolecular Contacts in Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Immunoglobulin G (IgG)

Hemoglobin (1000)

Hemoglobin

Z-DNA

Cytochrome c (unbound)

Ribonuclease S

Myoglobin Fold

Myohemerythrin

Lysozyme (512)

TATA-Binding Protein (TBP)

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