Protein Structure and Interactions
with DNA and Small Molecules
Protein Secondary structure
Lambda repressor
Trp repressor
Protein Secondary structure



DNA-binding protein: Alpha helices and Beta hairpin
Hin Recombinase: Alpha helices




Porins: "Beta Barrel" in Outer Membrane
P53 Oncogene: Beta Sheet with DNA-Recognition Alpha Helices
Phage T4 Injector: Unique Triplex Tube


Lambda phage repressor of lysis        Top




      









Trp Repressor                      Top




X-Ray Diffraction Crystallography

Image Fourier Transform Pairs



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