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Chime Tutorials Some prepared exercises using Chime: 

Exercises on DNA and proteins that accompany the biochemistry text Lehninger
Aa
DNA4
hexoki

Structures and properties of amino acids

An interactive tutorial on the structure of DNA
Introduction to Protein Structure
 

 

P53protp53

Hemoglobin                                                                 Hemoglobin
gall2

Online Macromolecular Museum

Nucleic Acids
tRNA ARNA BDNA

t-RNA

DNA binding motifs

Protein Explorer

  Lac Repressor:  Undergoes a conformational change once it binds to DNA, causing the DNA to bend.

 
GAL4
CRP
Znfinger

Zn finger
Zip

GCN4
Hlh

Pho4

Zn6 Cys6 Zinc Finger: From Gal4,  a regulator of galactose metabolism in some yeast and fungi. (1d66)

Helix-Turn-Helix:  From cAMP Receptor Protein, a regulator of the E. coli lac operon. (1ber)

Zinc Finger:  From Zif 268, a protein expressed early in mouse development. (1a1l)

Leucine Zipper:  bZip transcription factor PAP1 (1gd2) from Schizosaccharomyces pombe

 

Helix-Loop-Helix: Phosphate System Positive Regulatory Protein Pho4 in yeast.

Select "hélice-bucle-hélice"

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