Molecule of the Month
March 2026

Lenacapavir

A potent and long-acting drug that targets the HIV capsid

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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.

Induced Lac Repressor

Trypsin

Cytochrome c

DNA

Lysozyme (488)

TATA-Binding Protein (TBP)

Immunoglobulin G (IgG)

Myohemerythrin

DPG-Hemoglobin Complex

Cytochrome c (unbound)

Oxyhemoglobin

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Transfer Ribonucleic Acid (tRNA)

Crambin

A-DNA

Lac Repressor

Z-DNA

Myoglobin

Myoglobin Fold

Hemoglobin (1000)

Lysozyme (512)

B-DNA

Intermolecular Contacts in Hemoglobin S

Carboxypeptidase A

Tomato Bushy Stunt Virus (TBSV)

Deoxyribonucleic Acid (DNA)

Hemoglobin

Ribonuclease S

Collagen

Deoxyhemoglobin

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

Mycoplasma mycoides

Casein Micelle and Fat Globule in Milk

Bacteriophage T4 Infection

Biosites: Basement Membrane

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Nucleus

Cellulose Synthase

SARS-CoV-2 mRNA Vaccine

Coronavirus Life Cycle

Biosites: Muscle

Myoglobin in a Whale Muscle Cell

Zika Virus

Escherichia coli

Poliovirus Neutralization

SARS-CoV-2 Fusion

Biosites: Blood Plasma

Last Universal Common Ancestor

JCVI-syn3A Minimal Cell

HIV in Blood Plasma

Escherichia coli Bacterium

Ebola Virus

Insulin Release

HIV-Infected Cell

Immunological Synapse

Biosites: Red Blood Cell

Excitatory and Inhibitory Synapses

Lipid Droplets

Chloroplast

Respiratory Droplet

Insulin Action

Caulobacter Polar Microdomain

Influenza Vaccine

Biosites: Cytoplasm

HIV Vaccine

Autophagy

Coronavirus

Phage-based COVID-19 Vaccine

Model of a Mycoplasma Cell

CytoSkeleton

Vascular Endothelial Growth Factor (VegF) Signaling

Abiogenesis

Myelin

Measles Virus Proteins

Blood

Kinetochore

Transfer RNA and Gag Protein

Influenza Virus

Collagen and Extracellular Matrix

RecA and DNA

Red Blood Cell Cytoskeleton