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.

Crambin

Tomato Bushy Stunt Virus (TBSV)

Myohemerythrin

B-DNA

DNA

Induced Lac Repressor

Hemoglobin (1000)

Deoxyribonucleic Acid (DNA)

Intermolecular Contacts in Hemoglobin S

Trypsin

Z-DNA

DPG-Hemoglobin Complex

A-DNA

Lac Repressor

Lysozyme (488)

Myoglobin

Transfer Ribonucleic Acid (tRNA)

Carboxypeptidase A

Hemoglobin S

Cytochrome c

Myoglobin Fold

Hemoglobin

Oxyhemoglobin

Lysozyme (512)

Immunoglobulin G (IgG)

TATA-Binding Protein (TBP)

Collagen

Ribonuclease S

Deoxyhemoglobin

Cytochrome c (unbound)

Aspartate Transcarbamoylase (ATCase)

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

Autophagy

HIV-Infected Cell

Coronavirus Life Cycle

JCVI-syn3A Minimal Cell

Biosites: Nucleus

Caulobacter Polar Microdomain

Influenza Vaccine

Poliovirus Neutralization

Myelin

Coronavirus

SARS-CoV-2 Fusion

Kinetochore

Abiogenesis

Mycoplasma mycoides

Blood

SARS-CoV-2 mRNA Vaccine

Escherichia coli Bacterium

Casein Micelle and Fat Globule in Milk

Bacteriophage T4 Infection

HIV in Blood Plasma

Vascular Endothelial Growth Factor (VegF) Signaling

HIV Vaccine

Chloroplast

Biosites: Muscle

Biosites: Blood Plasma

Transfer RNA and Gag Protein

Escherichia coli

Zika Virus

Measles Virus Proteins

Last Universal Common Ancestor

Biosites: Basement Membrane

Lipid Droplets

Influenza Virus

CytoSkeleton

Phage-based COVID-19 Vaccine

Immunological Synapse

SARS-CoV-2 and Neutralizing Antibodies

Insulin Release

Biosites: Cytoplasm

RecA and DNA

Respiratory Droplet

Myoglobin in a Whale Muscle Cell

Insulin Action

Collagen and Extracellular Matrix

Biosites: Red Blood Cell

Cellulose Synthase

Red Blood Cell Cytoskeleton

Excitatory and Inhibitory Synapses

Ebola Virus

Model of a Mycoplasma Cell