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.

Trypsin

Ribonuclease S

Lysozyme (512)

Immunoglobulin G (IgG)

Z-DNA

Tomato Bushy Stunt Virus (TBSV)

A-DNA

Lysozyme (488)

Hemoglobin

Deoxyhemoglobin

Myohemerythrin

Crambin

Cytochrome c

DNA

Myoglobin

Hemoglobin S

Deoxyribonucleic Acid (DNA)

Lac Repressor

Carboxypeptidase A

DPG-Hemoglobin Complex

Induced Lac Repressor

Intermolecular Contacts in Hemoglobin S

Aspartate Transcarbamoylase (ATCase)

Oxyhemoglobin

Myoglobin Fold

Collagen

B-DNA

TATA-Binding Protein (TBP)

Transfer Ribonucleic Acid (tRNA)

Hemoglobin (1000)

Cytochrome c (unbound)

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 mRNA Vaccine

Coronavirus

Escherichia coli Bacterium

CytoSkeleton

JCVI-syn3A Minimal Cell

Model of a Mycoplasma Cell

Insulin Release

Immunological Synapse

Zika Virus

Caulobacter Polar Microdomain

Biosites: Basement Membrane

Excitatory and Inhibitory Synapses

Last Universal Common Ancestor

Abiogenesis

Transfer RNA and Gag Protein

Lipid Droplets

Coronavirus Life Cycle

Myoglobin in a Whale Muscle Cell

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Cytoplasm

Ebola Virus

RecA and DNA

Myelin

Respiratory Droplet

Mycoplasma mycoides

Insulin Action

Biosites: Blood Plasma

Blood

Red Blood Cell Cytoskeleton

Phage-based COVID-19 Vaccine

Escherichia coli

Influenza Vaccine

Bacteriophage T4 Infection

Biosites: Red Blood Cell

Biosites: Muscle

Biosites: Nucleus

Autophagy

HIV Vaccine

Influenza Virus

Casein Micelle and Fat Globule in Milk

Measles Virus Proteins

Poliovirus Neutralization

HIV-Infected Cell

Vascular Endothelial Growth Factor (VegF) Signaling

Chloroplast

Cellulose Synthase

Collagen and Extracellular Matrix

SARS-CoV-2 Fusion

Kinetochore

HIV in Blood Plasma