Molecule of the Month
December 2024

Flagellar Motor

Bidirectional motors power the swimming of many bacterial cells.

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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.

Myoglobin

Ribonuclease S

Intermolecular Contacts in Hemoglobin S

A-DNA

Aspartate Transcarbamoylase (ATCase)

Hemoglobin S

DNA

Cytochrome c (unbound)

Myohemerythrin

TATA-Binding Protein (TBP)

Immunoglobulin G (IgG)

DPG-Hemoglobin Complex

Deoxyribonucleic Acid (DNA)

Lysozyme (512)

Carboxypeptidase A

Trypsin

Transfer Ribonucleic Acid (tRNA)

Hemoglobin (1000)

Collagen

Z-DNA

Deoxyhemoglobin

Oxyhemoglobin

Crambin

B-DNA

Hemoglobin

Myoglobin Fold

Lysozyme (488)

Tomato Bushy Stunt Virus (TBSV)

Lac Repressor

Induced Lac Repressor

Cytochrome c

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

Last Universal Common Ancestor

RecA and DNA

Biosites: Muscle

Myelin

Autophagy

Bacteriophage T4 Infection

Collagen and Extracellular Matrix

CytoSkeleton

Insulin Action

Model of a Mycoplasma Cell

Biosites: Blood Plasma

Vascular Endothelial Growth Factor (VegF) Signaling

SARS-CoV-2 mRNA Vaccine

HIV-Infected Cell

Coronavirus

Lipid Droplets

Myoglobin in a Whale Muscle Cell

Respiratory Droplet

Blood

Excitatory and Inhibitory Synapses

Biosites: Nucleus

JCVI-syn3A Minimal Cell

Casein Micelle and Fat Globule in Milk

Transfer RNA and Gag Protein

Immunological Synapse

Red Blood Cell Cytoskeleton

Abiogenesis

Caulobacter Polar Microdomain

Kinetochore

Coronavirus Life Cycle

SARS-CoV-2 and Neutralizing Antibodies

Biosites: Cytoplasm

Insulin Release

Ebola Virus

Mycoplasma mycoides

HIV Vaccine

Chloroplast

Poliovirus Neutralization

Zika Virus

Influenza Virus

Escherichia coli

Influenza Vaccine

Biosites: Red Blood Cell

SARS-CoV-2 Fusion

Measles Virus Proteins

Escherichia coli Bacterium

Biosites: Basement Membrane

Phage-based COVID-19 Vaccine

HIV in Blood Plasma