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.

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin

Myohemerythrin

Cytochrome c

DNA

B-DNA

Carboxypeptidase A

A-DNA

Induced Lac Repressor

Myoglobin Fold

TATA-Binding Protein (TBP)

Lysozyme (512)

Collagen

Oxyhemoglobin

Hemoglobin S

Lysozyme (488)

Deoxyhemoglobin

Cytochrome c (unbound)

Intermolecular Contacts in Hemoglobin S

Ribonuclease S

Myoglobin

Hemoglobin (1000)

Z-DNA

DPG-Hemoglobin Complex

Deoxyribonucleic Acid (DNA)

Immunoglobulin G (IgG)

Trypsin

Crambin

Lac Repressor

Aspartate Transcarbamoylase (ATCase)

Transfer Ribonucleic Acid (tRNA)

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

Biosites: Basement Membrane

Coronavirus

Caulobacter Polar Microdomain

SARS-CoV-2 mRNA Vaccine

Kinetochore

Autophagy

Red Blood Cell Cytoskeleton

Biosites: Nucleus

HIV Vaccine

Lipid Droplets

Immunological Synapse

JCVI-syn3A Minimal Cell

Influenza Virus

Mycoplasma mycoides

Insulin Release

Blood

Transfer RNA and Gag Protein

Chloroplast

RecA and DNA

HIV-Infected Cell

Zika Virus

Influenza Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Coronavirus Life Cycle

Ebola Virus

Insulin Action

Bacteriophage T4 Infection

Phage-based COVID-19 Vaccine

Poliovirus Neutralization

Last Universal Common Ancestor

Myoglobin in a Whale Muscle Cell

Myelin

Biosites: Muscle

Escherichia coli Bacterium

Escherichia coli

Abiogenesis

HIV in Blood Plasma

CytoSkeleton

Excitatory and Inhibitory Synapses

Casein Micelle and Fat Globule in Milk

Collagen and Extracellular Matrix

Respiratory Droplet

Model of a Mycoplasma Cell

Measles Virus Proteins

Biosites: Cytoplasm

SARS-CoV-2 Fusion

Biosites: Blood Plasma

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Red Blood Cell

Cellulose Synthase