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.

Deoxyhemoglobin

Cytochrome c

Lysozyme (488)

DPG-Hemoglobin Complex

Crambin

Hemoglobin S

Deoxyribonucleic Acid (DNA)

Myohemerythrin

Hemoglobin

A-DNA

Cytochrome c (unbound)

Z-DNA

B-DNA

Aspartate Transcarbamoylase (ATCase)

DNA

Immunoglobulin G (IgG)

Collagen

Myoglobin

TATA-Binding Protein (TBP)

Lysozyme (512)

Ribonuclease S

Transfer Ribonucleic Acid (tRNA)

Intermolecular Contacts in Hemoglobin S

Trypsin

Hemoglobin (1000)

Carboxypeptidase A

Lac Repressor

Induced Lac Repressor

Tomato Bushy Stunt Virus (TBSV)

Oxyhemoglobin

Myoglobin Fold

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

Biosites: Cytoplasm

Red Blood Cell Cytoskeleton

Transfer RNA and Gag Protein

Biosites: Muscle

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 Fusion

Lipid Droplets

Excitatory and Inhibitory Synapses

Biosites: Basement Membrane

Biosites: Nucleus

HIV in Blood Plasma

SARS-CoV-2 mRNA Vaccine

Caulobacter Polar Microdomain

Abiogenesis

Last Universal Common Ancestor

Kinetochore

Biosites: Red Blood Cell

Immunological Synapse

HIV Vaccine

RecA and DNA

Myelin

CytoSkeleton

Insulin Release

Influenza Vaccine

Insulin Action

Cellulose Synthase

Poliovirus Neutralization

Coronavirus

Bacteriophage T4 Infection

Casein Micelle and Fat Globule in Milk

Respiratory Droplet

Escherichia coli Bacterium

Model of a Mycoplasma Cell

HIV-Infected Cell

Mycoplasma mycoides

Vascular Endothelial Growth Factor (VegF) Signaling

Ebola Virus

Escherichia coli

JCVI-syn3A Minimal Cell

Collagen and Extracellular Matrix

SARS-CoV-2 and Neutralizing Antibodies

Chloroplast

Measles Virus Proteins

Influenza Virus

Autophagy

Coronavirus Life Cycle

Biosites: Blood Plasma

Phage-based COVID-19 Vaccine

Zika Virus

Blood