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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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Exploring the Workhorses of Biotechnology: Using RCSB.org to analyze plastic-degrading enzymes

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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.

Hemoglobin

Crambin

B-DNA

Lac Repressor

Hemoglobin S

Carboxypeptidase A

Myoglobin

Induced Lac Repressor

Deoxyribonucleic Acid (DNA)

Oxyhemoglobin

Myohemerythrin

Aspartate Transcarbamoylase (ATCase)

Collagen

Cytochrome c

Trypsin

DNA

Deoxyhemoglobin

Hemoglobin (1000)

Immunoglobulin G (IgG)

Cytochrome c (unbound)

TATA-Binding Protein (TBP)

Z-DNA

A-DNA

Lysozyme (512)

DPG-Hemoglobin Complex

Tomato Bushy Stunt Virus (TBSV)

Intermolecular Contacts in Hemoglobin S

Lysozyme (488)

Myoglobin Fold

Transfer Ribonucleic Acid (tRNA)

Ribonuclease S

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