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)

Crambin

DPG-Hemoglobin Complex

Myoglobin

Intermolecular Contacts in Hemoglobin S

Collagen

B-DNA

Hemoglobin S

Carboxypeptidase A

Aspartate Transcarbamoylase (ATCase)

DNA

Oxyhemoglobin

A-DNA

Induced Lac Repressor

Ribonuclease S

Myohemerythrin

Lysozyme (488)

Deoxyribonucleic Acid (DNA)

Transfer Ribonucleic Acid (tRNA)

Trypsin

Z-DNA

Lac Repressor

Hemoglobin (1000)

Lysozyme (512)

Cytochrome c (unbound)

TATA-Binding Protein (TBP)

Deoxyhemoglobin

Hemoglobin

Myoglobin Fold

Cytochrome c

Immunoglobulin G (IgG)

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

Respiratory Droplet

Escherichia coli Bacterium

Casein Micelle and Fat Globule in Milk

Escherichia coli

Red Blood Cell Cytoskeleton

Model of a Mycoplasma Cell

Chloroplast

Influenza Virus

Insulin Action

SARS-CoV-2 Fusion

Caulobacter Polar Microdomain

Lipid Droplets

SARS-CoV-2 mRNA Vaccine

Kinetochore

Blood

Biosites: Blood Plasma

Ebola Virus

Cellulose Synthase

Myelin

Biosites: Cytoplasm

Biosites: Red Blood Cell

HIV in Blood Plasma

Abiogenesis

Mycoplasma mycoides

HIV-Infected Cell

Vascular Endothelial Growth Factor (VegF) Signaling

Bacteriophage T4 Infection

Influenza Vaccine

Collagen and Extracellular Matrix

Excitatory and Inhibitory Synapses

Myoglobin in a Whale Muscle Cell

Coronavirus

Measles Virus Proteins

HIV Vaccine

CytoSkeleton

Insulin Release

Zika Virus

Phage-based COVID-19 Vaccine

Poliovirus Neutralization

Biosites: Nucleus

Autophagy

SARS-CoV-2 and Neutralizing Antibodies

JCVI-syn3A Minimal Cell

Biosites: Muscle

Transfer RNA and Gag Protein

Last Universal Common Ancestor

Biosites: Basement Membrane

Immunological Synapse

RecA and DNA

Coronavirus Life Cycle