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.

TATA-Binding Protein (TBP)

Hemoglobin (1000)

Myoglobin Fold

Z-DNA

Transfer Ribonucleic Acid (tRNA)

Deoxyribonucleic Acid (DNA)

Lysozyme (512)

DNA

Aspartate Transcarbamoylase (ATCase)

A-DNA

Trypsin

Crambin

DPG-Hemoglobin Complex

Immunoglobulin G (IgG)

B-DNA

Tomato Bushy Stunt Virus (TBSV)

Ribonuclease S

Oxyhemoglobin

Hemoglobin S

Hemoglobin

Collagen

Induced Lac Repressor

Carboxypeptidase A

Intermolecular Contacts in Hemoglobin S

Cytochrome c

Deoxyhemoglobin

Myoglobin

Lac Repressor

Lysozyme (488)

Cytochrome c (unbound)

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

HIV-Infected Cell

Excitatory and Inhibitory Synapses

Model of a Mycoplasma Cell

Vascular Endothelial Growth Factor (VegF) Signaling

Influenza Virus

Myelin

HIV in Blood Plasma

JCVI-syn3A Minimal Cell

Poliovirus Neutralization

SARS-CoV-2 mRNA Vaccine

Casein Micelle and Fat Globule in Milk

Insulin Release

Biosites: Cytoplasm

Coronavirus

Ebola Virus

Caulobacter Polar Microdomain

RecA and DNA

Immunological Synapse

SARS-CoV-2 and Neutralizing Antibodies

Transfer RNA and Gag Protein

Bacteriophage T4 Infection

Mycoplasma mycoides

Biosites: Basement Membrane

Zika Virus

Influenza Vaccine

Biosites: Red Blood Cell

Lipid Droplets

Cellulose Synthase

HIV Vaccine

Escherichia coli

Last Universal Common Ancestor

Red Blood Cell Cytoskeleton

Blood

Biosites: Blood Plasma

Coronavirus Life Cycle

Escherichia coli Bacterium

Biosites: Muscle

SARS-CoV-2 Fusion

Kinetochore

CytoSkeleton

Collagen and Extracellular Matrix

Myoglobin in a Whale Muscle Cell

Measles Virus Proteins

Chloroplast

Abiogenesis

Autophagy

Phage-based COVID-19 Vaccine

Insulin Action

Respiratory Droplet

Biosites: Nucleus