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.

DPG-Hemoglobin Complex

Cytochrome c

Aspartate Transcarbamoylase (ATCase)

Crambin

Immunoglobulin G (IgG)

Z-DNA

Induced Lac Repressor

Carboxypeptidase A

Lysozyme (512)

Deoxyhemoglobin

Myoglobin Fold

Lysozyme (488)

B-DNA

Deoxyribonucleic Acid (DNA)

Transfer Ribonucleic Acid (tRNA)

Oxyhemoglobin

A-DNA

Tomato Bushy Stunt Virus (TBSV)

Hemoglobin S

Lac Repressor

Cytochrome c (unbound)

Collagen

Intermolecular Contacts in Hemoglobin S

Trypsin

Myoglobin

Hemoglobin (1000)

Myohemerythrin

TATA-Binding Protein (TBP)

Hemoglobin

Ribonuclease S

DNA

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

Poliovirus Neutralization

Collagen and Extracellular Matrix

Zika Virus

Vascular Endothelial Growth Factor (VegF) Signaling

Chloroplast

Abiogenesis

Lipid Droplets

Last Universal Common Ancestor

Coronavirus

Insulin Action

HIV in Blood Plasma

HIV Vaccine

CytoSkeleton

Biosites: Blood Plasma

Influenza Virus

RecA and DNA

Escherichia coli

Biosites: Basement Membrane

Immunological Synapse

Autophagy

Casein Micelle and Fat Globule in Milk

Phage-based COVID-19 Vaccine

Red Blood Cell Cytoskeleton

Biosites: Nucleus

Biosites: Muscle

Measles Virus Proteins

Respiratory Droplet

Escherichia coli Bacterium

Mycoplasma mycoides

JCVI-syn3A Minimal Cell

Coronavirus Life Cycle

Transfer RNA and Gag Protein

SARS-CoV-2 and Neutralizing Antibodies

Myoglobin in a Whale Muscle Cell

Myelin

Blood

HIV-Infected Cell

Kinetochore

Caulobacter Polar Microdomain

Bacteriophage T4 Infection

Excitatory and Inhibitory Synapses

SARS-CoV-2 mRNA Vaccine

Ebola Virus

Cellulose Synthase

SARS-CoV-2 Fusion

Biosites: Red Blood Cell

Insulin Release

Model of a Mycoplasma Cell

Influenza Vaccine

Biosites: Cytoplasm