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.

Immunoglobulin G (IgG)

Hemoglobin

Lysozyme (488)

Carboxypeptidase A

Deoxyribonucleic Acid (DNA)

DNA

Hemoglobin (1000)

Z-DNA

Cytochrome c

Collagen

A-DNA

Induced Lac Repressor

Transfer Ribonucleic Acid (tRNA)

Myohemerythrin

TATA-Binding Protein (TBP)

Hemoglobin S

Ribonuclease S

Myoglobin Fold

Deoxyhemoglobin

Lac Repressor

Crambin

Intermolecular Contacts in Hemoglobin S

Tomato Bushy Stunt Virus (TBSV)

Lysozyme (512)

Cytochrome c (unbound)

Oxyhemoglobin

Trypsin

DPG-Hemoglobin Complex

B-DNA

Myoglobin

Aspartate Transcarbamoylase (ATCase)

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

RecA and DNA

Cellulose Synthase

Kinetochore

Insulin Action

Zika Virus

Chloroplast

Respiratory Droplet

Abiogenesis

SARS-CoV-2 Fusion

Escherichia coli

Poliovirus Neutralization

Biosites: Cytoplasm

Red Blood Cell Cytoskeleton

Measles Virus Proteins

Ebola Virus

Mycoplasma mycoides

Bacteriophage T4 Infection

Influenza Vaccine

Biosites: Basement Membrane

JCVI-syn3A Minimal Cell

HIV-Infected Cell

Coronavirus Life Cycle

Myelin

Myoglobin in a Whale Muscle Cell

Coronavirus

Model of a Mycoplasma Cell

SARS-CoV-2 and Neutralizing Antibodies

CytoSkeleton

Influenza Virus

Caulobacter Polar Microdomain

Autophagy

SARS-CoV-2 mRNA Vaccine

Escherichia coli Bacterium

Excitatory and Inhibitory Synapses

HIV Vaccine

Casein Micelle and Fat Globule in Milk

Insulin Release

Transfer RNA and Gag Protein

Collagen and Extracellular Matrix

Biosites: Muscle

Biosites: Nucleus

Last Universal Common Ancestor

Lipid Droplets

Immunological Synapse

Biosites: Red Blood Cell

Phage-based COVID-19 Vaccine

Biosites: Blood Plasma

Blood

HIV in Blood Plasma

Vascular Endothelial Growth Factor (VegF) Signaling