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.

A-DNA

Immunoglobulin G (IgG)

Hemoglobin

Lac Repressor

Cytochrome c (unbound)

DNA

Myoglobin Fold

Aspartate Transcarbamoylase (ATCase)

Transfer Ribonucleic Acid (tRNA)

Hemoglobin (1000)

Z-DNA

Carboxypeptidase A

Myoglobin

Hemoglobin S

Ribonuclease S

Lysozyme (512)

TATA-Binding Protein (TBP)

Lysozyme (488)

Collagen

Induced Lac Repressor

Myohemerythrin

B-DNA

Cytochrome c

Trypsin

Deoxyhemoglobin

Intermolecular Contacts in Hemoglobin S

DPG-Hemoglobin Complex

Oxyhemoglobin

Crambin

Deoxyribonucleic Acid (DNA)

Tomato Bushy Stunt Virus (TBSV)

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

Coronavirus

Mycoplasma mycoides

Excitatory and Inhibitory Synapses

HIV Vaccine

Abiogenesis

Respiratory Droplet

Escherichia coli

Casein Micelle and Fat Globule in Milk

Chloroplast

RecA and DNA

Caulobacter Polar Microdomain

HIV-Infected Cell

HIV in Blood Plasma

Biosites: Basement Membrane

Ebola Virus

Biosites: Muscle

SARS-CoV-2 and Neutralizing Antibodies

CytoSkeleton

Last Universal Common Ancestor

Escherichia coli Bacterium

Vascular Endothelial Growth Factor (VegF) Signaling

Transfer RNA and Gag Protein

Influenza Vaccine

Biosites: Nucleus

Lipid Droplets

Myoglobin in a Whale Muscle Cell

Insulin Release

JCVI-syn3A Minimal Cell

Biosites: Cytoplasm

Model of a Mycoplasma Cell

Cellulose Synthase

SARS-CoV-2 mRNA Vaccine

Insulin Action

Coronavirus Life Cycle

Biosites: Blood Plasma

Influenza Virus

Kinetochore

Phage-based COVID-19 Vaccine

SARS-CoV-2 Fusion

Bacteriophage T4 Infection

Autophagy

Red Blood Cell Cytoskeleton

Measles Virus Proteins

Myelin

Immunological Synapse

Blood

Biosites: Red Blood Cell

Poliovirus Neutralization

Collagen and Extracellular Matrix

Zika Virus