Molecule of the Month
July 2026

Hantavirus

Family of rodent-borne viruses that can cause severe illness in humans

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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 (1000)

Induced Lac Repressor

Transfer Ribonucleic Acid (tRNA)

Deoxyhemoglobin

Myoglobin

Tomato Bushy Stunt Virus (TBSV)

A-DNA

B-DNA

Lysozyme (512)

Hemoglobin

Oxyhemoglobin

Intermolecular Contacts in Hemoglobin S

Crambin

Z-DNA

Ribonuclease S

Myohemerythrin

Aspartate Transcarbamoylase (ATCase)

Hemoglobin S

Trypsin

DPG-Hemoglobin Complex

Lysozyme (488)

TATA-Binding Protein (TBP)

DNA

Deoxyribonucleic Acid (DNA)

Immunoglobulin G (IgG)

Myoglobin Fold

Cytochrome c

Collagen

Cytochrome c (unbound)

Lac Repressor

Carboxypeptidase A

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

Respiratory Droplet

RecA and DNA

Coronavirus Life Cycle

Caulobacter Polar Microdomain

Lipid Droplets

Biosites: Nucleus

Zika Virus

Ebola Virus

Biosites: Muscle

Myoglobin in a Whale Muscle Cell

CytoSkeleton

Escherichia coli Bacterium

HIV in Blood Plasma

Influenza Vaccine

HIV Vaccine

Mycoplasma mycoides

Phage-based COVID-19 Vaccine

Immunological Synapse

Collagen and Extracellular Matrix

Biosites: Blood Plasma

Kinetochore

SARS-CoV-2 Fusion

Model of a Mycoplasma Cell

Bacteriophage T4 Infection

Last Universal Common Ancestor

Excitatory and Inhibitory Synapses

Poliovirus Neutralization

Insulin Action

Biosites: Basement Membrane

Biosites: Red Blood Cell

Autophagy

Insulin Release

Influenza Virus

Measles Virus Proteins

Casein Micelle and Fat Globule in Milk

Vascular Endothelial Growth Factor (VegF) Signaling

SARS-CoV-2 and Neutralizing Antibodies

Cellulose Synthase

Coronavirus

Escherichia coli

Myelin

Transfer RNA and Gag Protein

Blood

JCVI-syn3A Minimal Cell

Red Blood Cell Cytoskeleton

Biosites: Cytoplasm

SARS-CoV-2 mRNA Vaccine

Abiogenesis

HIV-Infected Cell

Chloroplast