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Molecule of the Month

May 2025

TOC-TIC Translocon

The large TOC-TIC supercomplex transports proteins into the chloroplast

3D View: 7VCF

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Cartoon Spheres Surface

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Rainbow Chain Structure

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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.

Deoxyribonucleic Acid (DNA)

Hemoglobin S

Myoglobin

A-DNA

TATA-Binding Protein (TBP)

Z-DNA

Deoxyhemoglobin

B-DNA

Intermolecular Contacts in Hemoglobin S

Hemoglobin

Lysozyme (512)

DPG-Hemoglobin Complex

Trypsin

Myohemerythrin

Lysozyme (488)

Cytochrome c

Ribonuclease S

Induced Lac Repressor

Carboxypeptidase A

Myoglobin Fold

Cytochrome c (unbound)

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin (1000)

Aspartate Transcarbamoylase (ATCase)

Oxyhemoglobin

Crambin

Transfer Ribonucleic Acid (tRNA)

DNA

Lac Repressor

Immunoglobulin G (IgG)

Collagen

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