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.

Images used with permission from the Howard Hughes Medical Institute (www.hhmi.org). All rights reserved.

Tomato Bushy Stunt Virus (TBSV)

Ribonuclease S

Intermolecular Contacts in Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Collagen

DNA

Lysozyme (512)

B-DNA

Oxyhemoglobin

Deoxyhemoglobin

Hemoglobin (1000)

Hemoglobin S

DPG-Hemoglobin Complex

Crambin

Lysozyme (488)

Deoxyribonucleic Acid (DNA)

TATA-Binding Protein (TBP)

Carboxypeptidase A

Myoglobin

Lac Repressor

Myoglobin Fold

Immunoglobulin G (IgG)

Myohemerythrin

Cytochrome c

Cytochrome c (unbound)

Induced Lac Repressor

Hemoglobin

Z-DNA

A-DNA

Transfer Ribonucleic Acid (tRNA)

Trypsin

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

SARS-CoV-2 and Neutralizing Antibodies

Mycoplasma mycoides

Escherichia coli

RecA and DNA

Model of a Mycoplasma Cell

Measles Virus Proteins

Coronavirus Life Cycle

Biosites: Muscle

Escherichia coli Bacterium

Zika Virus

Poliovirus Neutralization

Biosites: Nucleus

Biosites: Cytoplasm

Blood

JCVI-syn3A Minimal Cell

HIV in Blood Plasma

HIV-Infected Cell

Transfer RNA and Gag Protein

Bacteriophage T4 Infection

Influenza Virus

Lipid Droplets

Ebola Virus

Last Universal Common Ancestor

Collagen and Extracellular Matrix

CytoSkeleton

Excitatory and Inhibitory Synapses

Insulin Action

Myelin

Influenza Vaccine

SARS-CoV-2 Fusion

Kinetochore

Insulin Release

Vascular Endothelial Growth Factor (VegF) Signaling

Immunological Synapse

Coronavirus

SARS-CoV-2 mRNA Vaccine

Biosites: Red Blood Cell

Casein Micelle and Fat Globule in Milk

Abiogenesis

Caulobacter Polar Microdomain

Phage-based COVID-19 Vaccine

Biosites: Basement Membrane

Autophagy

Cellulose Synthase

Myoglobin in a Whale Muscle Cell

Red Blood Cell Cytoskeleton

Biosites: Blood Plasma

Respiratory Droplet

Chloroplast

HIV Vaccine