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.

Induced Lac Repressor

Hemoglobin (1000)

Tomato Bushy Stunt Virus (TBSV)

DNA

Carboxypeptidase A

Myoglobin

Lysozyme (512)

Deoxyhemoglobin

Cytochrome c (unbound)

Transfer Ribonucleic Acid (tRNA)

Crambin

Myohemerythrin

Hemoglobin

B-DNA

DPG-Hemoglobin Complex

Myoglobin Fold

TATA-Binding Protein (TBP)

Deoxyribonucleic Acid (DNA)

Immunoglobulin G (IgG)

Cytochrome c

Z-DNA

Lysozyme (488)

Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Intermolecular Contacts in Hemoglobin S

Trypsin

Ribonuclease S

Lac Repressor

A-DNA

Collagen

Oxyhemoglobin

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

SARS-CoV-2 and Neutralizing Antibodies

Kinetochore

Lipid Droplets

Bacteriophage T4 Infection

Biosites: Cytoplasm

CytoSkeleton

SARS-CoV-2 Fusion

HIV in Blood Plasma

Poliovirus Neutralization

Myoglobin in a Whale Muscle Cell

Caulobacter Polar Microdomain

Last Universal Common Ancestor

Abiogenesis

SARS-CoV-2 mRNA Vaccine

Casein Micelle and Fat Globule in Milk

RecA and DNA

Red Blood Cell Cytoskeleton

Escherichia coli

Coronavirus

Biosites: Red Blood Cell

Myelin

Collagen and Extracellular Matrix

Coronavirus Life Cycle

JCVI-syn3A Minimal Cell

Immunological Synapse

Insulin Release

Biosites: Blood Plasma

Biosites: Basement Membrane

Influenza Vaccine

Escherichia coli Bacterium

Influenza Virus

Model of a Mycoplasma Cell

Ebola Virus

Autophagy

Respiratory Droplet

Biosites: Nucleus

Vascular Endothelial Growth Factor (VegF) Signaling

Zika Virus

Cellulose Synthase

Transfer RNA and Gag Protein

Blood

Mycoplasma mycoides

HIV Vaccine

Biosites: Muscle

Measles Virus Proteins

HIV-Infected Cell

Phage-based COVID-19 Vaccine

Insulin Action

Excitatory and Inhibitory Synapses

Chloroplast