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)

Z-DNA

Hemoglobin (1000)

DPG-Hemoglobin Complex

Lac Repressor

A-DNA

Cytochrome c

Intermolecular Contacts in Hemoglobin S

Carboxypeptidase A

Aspartate Transcarbamoylase (ATCase)

Collagen

Deoxyribonucleic Acid (DNA)

Oxyhemoglobin

Crambin

Cytochrome c (unbound)

Deoxyhemoglobin

Hemoglobin S

B-DNA

Myohemerythrin

Transfer Ribonucleic Acid (tRNA)

Hemoglobin

Lysozyme (488)

Trypsin

DNA

Lysozyme (512)

Myoglobin Fold

Induced Lac Repressor

Immunoglobulin G (IgG)

Myoglobin

Ribonuclease S

TATA-Binding Protein (TBP)

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

Poliovirus Neutralization

Blood

JCVI-syn3A Minimal Cell

Respiratory Droplet

Biosites: Red Blood Cell

Caulobacter Polar Microdomain

Biosites: Cytoplasm

Chloroplast

Myelin

HIV Vaccine

Insulin Release

Biosites: Nucleus

Autophagy

Measles Virus Proteins

Coronavirus Life Cycle

Red Blood Cell Cytoskeleton

Escherichia coli

Lipid Droplets

Excitatory and Inhibitory Synapses

Insulin Action

SARS-CoV-2 Fusion

Phage-based COVID-19 Vaccine

Ebola Virus

Kinetochore

Casein Micelle and Fat Globule in Milk

Escherichia coli Bacterium

Collagen and Extracellular Matrix

Myoglobin in a Whale Muscle Cell

Abiogenesis

Biosites: Muscle

HIV in Blood Plasma

Zika Virus

Cellulose Synthase

Vascular Endothelial Growth Factor (VegF) Signaling

SARS-CoV-2 and Neutralizing Antibodies

Transfer RNA and Gag Protein

HIV-Infected Cell

Biosites: Basement Membrane

Mycoplasma mycoides

Biosites: Blood Plasma

CytoSkeleton

Bacteriophage T4 Infection

Model of a Mycoplasma Cell

Influenza Vaccine

Influenza Virus

RecA and DNA

SARS-CoV-2 mRNA Vaccine

Immunological Synapse

Coronavirus

Last Universal Common Ancestor