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.

Oxyhemoglobin

Transfer Ribonucleic Acid (tRNA)

Cytochrome c (unbound)

Lysozyme (512)

Deoxyhemoglobin

Myoglobin Fold

Collagen

Myoglobin

Deoxyribonucleic Acid (DNA)

Aspartate Transcarbamoylase (ATCase)

Ribonuclease S

A-DNA

Hemoglobin S

Trypsin

Lac Repressor

Myohemerythrin

Crambin

TATA-Binding Protein (TBP)

Z-DNA

Intermolecular Contacts in Hemoglobin S

DPG-Hemoglobin Complex

Hemoglobin (1000)

B-DNA

Cytochrome c

Tomato Bushy Stunt Virus (TBSV)

Carboxypeptidase A

Hemoglobin

Immunoglobulin G (IgG)

Lysozyme (488)

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

Zika Virus

Chloroplast

JCVI-syn3A Minimal Cell

Autophagy

Mycoplasma mycoides

Casein Micelle and Fat Globule in Milk

Caulobacter Polar Microdomain

Coronavirus Life Cycle

Myelin

Biosites: Cytoplasm

Ebola Virus

Model of a Mycoplasma Cell

SARS-CoV-2 and Neutralizing Antibodies

SARS-CoV-2 Fusion

Bacteriophage T4 Infection

HIV Vaccine

Vascular Endothelial Growth Factor (VegF) Signaling

Insulin Release

Last Universal Common Ancestor

Influenza Vaccine

Myoglobin in a Whale Muscle Cell

Insulin Action

CytoSkeleton

Cellulose Synthase

Phage-based COVID-19 Vaccine

Biosites: Muscle

Poliovirus Neutralization

Transfer RNA and Gag Protein

Collagen and Extracellular Matrix

Measles Virus Proteins

Respiratory Droplet

HIV in Blood Plasma

Red Blood Cell Cytoskeleton

Influenza Virus

Blood

Biosites: Red Blood Cell

Biosites: Blood Plasma

Kinetochore

Immunological Synapse

HIV-Infected Cell

Biosites: Nucleus

Coronavirus

Biosites: Basement Membrane

Escherichia coli

Abiogenesis

RecA and DNA

Excitatory and Inhibitory Synapses

SARS-CoV-2 mRNA Vaccine

Escherichia coli Bacterium

Lipid Droplets