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.

Carboxypeptidase A

Ribonuclease S

Deoxyhemoglobin

Transfer Ribonucleic Acid (tRNA)

Z-DNA

Lysozyme (488)

Intermolecular Contacts in Hemoglobin S

A-DNA

DPG-Hemoglobin Complex

Aspartate Transcarbamoylase (ATCase)

Collagen

Crambin

Oxyhemoglobin

Myohemerythrin

TATA-Binding Protein (TBP)

Hemoglobin

Deoxyribonucleic Acid (DNA)

Myoglobin Fold

Hemoglobin (1000)

B-DNA

Induced Lac Repressor

Cytochrome c

Cytochrome c (unbound)

Hemoglobin S

Tomato Bushy Stunt Virus (TBSV)

Trypsin

DNA

Immunoglobulin G (IgG)

Lac Repressor

Lysozyme (512)

Myoglobin

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

Chloroplast

SARS-CoV-2 Fusion

Insulin Release

Zika Virus

Influenza Vaccine

Casein Micelle and Fat Globule in Milk

Bacteriophage T4 Infection

Biosites: Blood Plasma

Biosites: Cytoplasm

Model of a Mycoplasma Cell

HIV in Blood Plasma

Measles Virus Proteins

Coronavirus

RecA and DNA

Collagen and Extracellular Matrix

Ebola Virus

Biosites: Muscle

Caulobacter Polar Microdomain

Escherichia coli

Excitatory and Inhibitory Synapses

SARS-CoV-2 and Neutralizing Antibodies

Respiratory Droplet

Poliovirus Neutralization

Phage-based COVID-19 Vaccine

Biosites: Red Blood Cell

Lipid Droplets

Abiogenesis

Blood

Myoglobin in a Whale Muscle Cell

Last Universal Common Ancestor

JCVI-syn3A Minimal Cell

Red Blood Cell Cytoskeleton

HIV-Infected Cell

Escherichia coli Bacterium

Vascular Endothelial Growth Factor (VegF) Signaling

Kinetochore

CytoSkeleton

Insulin Action

SARS-CoV-2 mRNA Vaccine

Autophagy

Biosites: Nucleus

Transfer RNA and Gag Protein

Biosites: Basement Membrane

HIV Vaccine

Cellulose Synthase

Coronavirus Life Cycle

Mycoplasma mycoides

Influenza Virus

Immunological Synapse

Myelin