Consider the structure of Cro repressor protein from bacteriophage lambda B. It is a DNA binding protein, and like many sequence- specific DNA binding proteins, it must function as a homodimer Ex. Notice the mutual docking of a phenylalanine residue from each subunit into a hydrophobic pocket of the partner subunit. These hydrophobic interactions are required for dimerization. The noncovalent interactions highlighted in yellow are also required for dimerization. These interactions represent examples of: secondary structure O tertiary structure Oquaternary structure O secondary AND quaternary structure tertiary AND quaternary structure

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter30: Protein Synthesis
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Consider the structure of Cro repressor protein from bacteriophage lambda E. It is a DNA binding protein, and like many sequence-
specific DNA binding proteins, it must function as a homodimer Ex.
Notice the mutual docking of a phenylalanine residue from each subunit into a hydrophobic pocket of the partner subunit. These
hydrophobic interactions are required for dimerization.
The noncovalent interactions highlighted in yellow are also required for dimerization. These interactions represent examples of:
Osecondary structure
O tertiary structure
O quaternary structure
O secondary AND quaternary structure
Ⓒ tertiary AND quaternary structure
Transcribed Image Text:Consider the structure of Cro repressor protein from bacteriophage lambda E. It is a DNA binding protein, and like many sequence- specific DNA binding proteins, it must function as a homodimer Ex. Notice the mutual docking of a phenylalanine residue from each subunit into a hydrophobic pocket of the partner subunit. These hydrophobic interactions are required for dimerization. The noncovalent interactions highlighted in yellow are also required for dimerization. These interactions represent examples of: Osecondary structure O tertiary structure O quaternary structure O secondary AND quaternary structure Ⓒ tertiary AND quaternary structure
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