Bio-Physics (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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45.

Phosphorylation of ADP to ATP occurs through energy metabolic comprising oxidation phosphorylation or substrate-level phosphorylation or photo phosphorylation (in plants). ATP can also be also be formed from ADP through the action of adenylase Kinase. The crystal structure determination of adenylase Kinase shows that the C-terminal region has the sequence.

Val-Asp-Asp-Val-Phe-Ser-Gin-Val-Cys-Thr-HIS-Leu-Asp-thr-Leu-Lys
What can be a possible conformation of this sequence -
A: A helix that is not amphipaltic
B: Amphipaltic helix
C: Lencine zipper helix
D: Beta hairpin

The answer is: B