Molecule of the Month
July 2025

Capturing Beta-Lactamase in Action

Researchers visualize the mechanism of antibiotic resistance

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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.

Hemoglobin

Deoxyhemoglobin

Myoglobin Fold

Transfer Ribonucleic Acid (tRNA)

TATA-Binding Protein (TBP)

Myoglobin

DNA

Trypsin

Z-DNA

Cytochrome c (unbound)

Intermolecular Contacts in Hemoglobin S

Collagen

Ribonuclease S

Deoxyribonucleic Acid (DNA)

Crambin

Lac Repressor

B-DNA

Lysozyme (488)

Hemoglobin S

Induced Lac Repressor

Oxyhemoglobin

Carboxypeptidase A

Immunoglobulin G (IgG)

Hemoglobin (1000)

Myohemerythrin

A-DNA

DPG-Hemoglobin Complex

Lysozyme (512)

Tomato Bushy Stunt Virus (TBSV)

Cytochrome c

Aspartate Transcarbamoylase (ATCase)

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

Cellulose Synthase

Coronavirus

Influenza Virus

Escherichia coli Bacterium

Mycoplasma mycoides

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Red Blood Cell

Blood

Insulin Action

Model of a Mycoplasma Cell

HIV in Blood Plasma

Chloroplast

Biosites: Cytoplasm

CytoSkeleton

Last Universal Common Ancestor

Casein Micelle and Fat Globule in Milk

SARS-CoV-2 Fusion

Phage-based COVID-19 Vaccine

SARS-CoV-2 mRNA Vaccine

Bacteriophage T4 Infection

Collagen and Extracellular Matrix

Biosites: Nucleus

Poliovirus Neutralization

Immunological Synapse

Abiogenesis

JCVI-syn3A Minimal Cell

Transfer RNA and Gag Protein

HIV Vaccine

Ebola Virus

Influenza Vaccine

Caulobacter Polar Microdomain

Red Blood Cell Cytoskeleton

Myelin

Kinetochore

Lipid Droplets

Autophagy

Insulin Release

Myoglobin in a Whale Muscle Cell

Coronavirus Life Cycle

RecA and DNA

Biosites: Basement Membrane

Measles Virus Proteins

Biosites: Muscle

Zika Virus

Vascular Endothelial Growth Factor (VegF) Signaling

Biosites: Blood Plasma

Excitatory and Inhibitory Synapses

HIV-Infected Cell

Escherichia coli

Respiratory Droplet