#########################################################################
#                                                                       #
# PyMol Script to render 3_10 helix backbone                            #
#                                                                       #
# Esther Zhuang and Kalju Kahn, UCSB, 2003-2004                         #
#                                                                       #
#########################################################################

hide

# General style
set sphere_scale, 0.25
set stick_radius, 0.1
set dash_width, 5.0
color gray, elem c

# Select helix
select tth, resi 149-158
show sticks, (tth and (name o or name ca or name c or name n))
show sticks, (tth and (name o or name ca or name c or name n))
show sticks, (resi 157 and (name cb or name cg or name cd))
show spheres, (resi 149-155 and name o)
hide sticks, (resi 158 and name o)
cmd.disable('tth')

# Protonate peptide nitrogens and show H-bonds
h_add (resi 152-158 and name n)
show spheres, elem h
dist (elem h and neighbor name n), (tth and name o), 2.2
hide label

#Zoom in
set_view (\
    -0.590126097,    0.384709328,    0.709751368,\
     0.805321038,    0.218850106,    0.550962031,\
     0.056633674,    0.896714985,   -0.438962638,\
    -0.000219237,   -0.000044670,  -70.141799927,\
     7.591566563,   60.002590179,   18.981264114,\
    61.530296326,   91.665802002,    0.000000000 )


show cartoon, tth
cartoon loop