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Helix Builder
Residues
select a helix type
alpha helix
3-10 helix
pi helix
alpha-L helix
Type II helices
collagen
beta-strand (120)
beta-strand (135)
extended (180)
phi
psi
random coil
Turn Residues4
select a turn type
I
II
III
I'
II'
III'
phi1
psi1
phi2
psi2
