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.

Hemoglobin

Cytochrome c (unbound)

Carboxypeptidase A

Immunoglobulin G (IgG)

B-DNA

Lysozyme (512)

Transfer Ribonucleic Acid (tRNA)

Cytochrome c

Z-DNA

Hemoglobin S

Lysozyme (488)

A-DNA

Collagen

Trypsin

Deoxyribonucleic Acid (DNA)

Oxyhemoglobin

Tomato Bushy Stunt Virus (TBSV)

Induced Lac Repressor

Ribonuclease S

Myoglobin Fold

Deoxyhemoglobin

Intermolecular Contacts in Hemoglobin S

TATA-Binding Protein (TBP)

DNA

Myoglobin

Crambin

Aspartate Transcarbamoylase (ATCase)

Hemoglobin (1000)

DPG-Hemoglobin Complex

Lac Repressor

Myohemerythrin

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

Respiratory Droplet

Autophagy

Poliovirus Neutralization

Biosites: Basement Membrane

Bacteriophage T4 Infection

Excitatory and Inhibitory Synapses

Biosites: Nucleus

Red Blood Cell Cytoskeleton

HIV in Blood Plasma

CytoSkeleton

Immunological Synapse

Casein Micelle and Fat Globule in Milk

Coronavirus

Escherichia coli

SARS-CoV-2 and Neutralizing Antibodies

Zika Virus

HIV-Infected Cell

Phage-based COVID-19 Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Myelin

SARS-CoV-2 Fusion

Lipid Droplets

Measles Virus Proteins

Abiogenesis

SARS-CoV-2 mRNA Vaccine

Escherichia coli Bacterium

Insulin Release

Coronavirus Life Cycle

Biosites: Blood Plasma

Blood

Influenza Virus

Influenza Vaccine

HIV Vaccine

Cellulose Synthase

Chloroplast

Biosites: Cytoplasm

Model of a Mycoplasma Cell

Insulin Action

Caulobacter Polar Microdomain

JCVI-syn3A Minimal Cell

Kinetochore

Collagen and Extracellular Matrix

RecA and DNA

Last Universal Common Ancestor

Biosites: Red Blood Cell

Transfer RNA and Gag Protein

Mycoplasma mycoides

Biosites: Muscle

Ebola Virus

Myoglobin in a Whale Muscle Cell