Download protein 153L.pdb from PDB website. Using Chimera or any other protein visualization/analysis tool, answer the following questions:

A.What is the length of the sequence?

B.What are the first and the last amino acid in this protein sequence?

C.How many Alanine residues are there in this protein sequence?

D.How many helixes and strands in the protein structure? What is the length of the longest helix?

E.What kind of B-sheets in this protein structure? (Parallel or Anti-parallel)

F.Find all disulfide bonds in this protein

G.Fill in the tables

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