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.

Cytochrome c (unbound)

Oxyhemoglobin

Hemoglobin

TATA-Binding Protein (TBP)

DPG-Hemoglobin Complex

B-DNA

Trypsin

Deoxyhemoglobin

Carboxypeptidase A

Lysozyme (488)

Intermolecular Contacts in Hemoglobin S

Lysozyme (512)

Collagen

Cytochrome c

Ribonuclease S

Myohemerythrin

Crambin

Hemoglobin (1000)

Deoxyribonucleic Acid (DNA)

Immunoglobulin G (IgG)

DNA

Hemoglobin S

Transfer Ribonucleic Acid (tRNA)

Lac Repressor

Aspartate Transcarbamoylase (ATCase)

Myoglobin Fold

Myoglobin

Tomato Bushy Stunt Virus (TBSV)

Z-DNA

A-DNA

Induced Lac Repressor

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

Immunological Synapse

Ebola Virus

Kinetochore

Escherichia coli Bacterium

Abiogenesis

SARS-CoV-2 Fusion

Model of a Mycoplasma Cell

Coronavirus Life Cycle

Chloroplast

SARS-CoV-2 and Neutralizing Antibodies

Myoglobin in a Whale Muscle Cell

RecA and DNA

Biosites: Muscle

Measles Virus Proteins

Influenza Virus

HIV in Blood Plasma

Excitatory and Inhibitory Synapses

Casein Micelle and Fat Globule in Milk

Insulin Action

Biosites: Basement Membrane

Zika Virus

Last Universal Common Ancestor

Biosites: Blood Plasma

Coronavirus

Vascular Endothelial Growth Factor (VegF) Signaling

Caulobacter Polar Microdomain

Collagen and Extracellular Matrix

Myelin

Biosites: Red Blood Cell

Phage-based COVID-19 Vaccine

Influenza Vaccine

Red Blood Cell Cytoskeleton

Biosites: Nucleus

JCVI-syn3A Minimal Cell

Escherichia coli

SARS-CoV-2 mRNA Vaccine

Blood

HIV Vaccine

CytoSkeleton

Autophagy

Lipid Droplets

Poliovirus Neutralization

Biosites: Cytoplasm

Bacteriophage T4 Infection

Transfer RNA and Gag Protein

Cellulose Synthase

HIV-Infected Cell

Insulin Release

Mycoplasma mycoides