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.

A-DNA

Intermolecular Contacts in Hemoglobin S

Cytochrome c

Crambin

Myohemerythrin

Induced Lac Repressor

Transfer Ribonucleic Acid (tRNA)

Hemoglobin S

Cytochrome c (unbound)

Myoglobin

Z-DNA

Deoxyhemoglobin

Collagen

Deoxyribonucleic Acid (DNA)

Aspartate Transcarbamoylase (ATCase)

Lysozyme (512)

Hemoglobin

Lysozyme (488)

Ribonuclease S

Tomato Bushy Stunt Virus (TBSV)

TATA-Binding Protein (TBP)

Lac Repressor

B-DNA

Hemoglobin (1000)

Myoglobin Fold

Immunoglobulin G (IgG)

Carboxypeptidase A

Oxyhemoglobin

DPG-Hemoglobin Complex

Trypsin

DNA

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

Poliovirus Neutralization

JCVI-syn3A Minimal Cell

Blood

Measles Virus Proteins

Lipid Droplets

Immunological Synapse

Escherichia coli

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Muscle

SARS-CoV-2 mRNA Vaccine

Abiogenesis

Zika Virus

Mycoplasma mycoides

Red Blood Cell Cytoskeleton

Influenza Vaccine

Myelin

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 Fusion

SARS-CoV-2 and Neutralizing Antibodies

Autophagy

Influenza Virus

Biosites: Basement Membrane

Phage-based COVID-19 Vaccine

Biosites: Cytoplasm

Bacteriophage T4 Infection

Transfer RNA and Gag Protein

HIV-Infected Cell

Casein Micelle and Fat Globule in Milk

Excitatory and Inhibitory Synapses

Respiratory Droplet

Escherichia coli Bacterium

CytoSkeleton

Chloroplast

Coronavirus

Cellulose Synthase

Model of a Mycoplasma Cell

Ebola Virus

Insulin Release

Biosites: Blood Plasma

HIV in Blood Plasma

Biosites: Nucleus

Collagen and Extracellular Matrix

Insulin Action

Coronavirus Life Cycle

Last Universal Common Ancestor

HIV Vaccine

Biosites: Red Blood Cell

RecA and DNA

Kinetochore

Caulobacter Polar Microdomain