tilt_analysis
“tilt_analysis” is a tool to compute the angle between the principal axis of a helix and the z-axis (the bilayer normal).
[INPUT]
psffile = RALP_DPPC.psf
reffile = RALP_DPPC.pdb
[OUTPUT]
txtfile = tilt_output.txt # output file name
[TRAJECTORY]
trjfile1 = RALP_DPPC_run.dcd
md_step1 = 10
mdout_period1 = 1
ana_period1 = 1
trj_format = DCD
trj_type = COOR+BOX
trj_natom = 0
[SELECTION]
group1 = segid:PROA & an:CA & resno:4-28
[OPTION]
check_only = NO
TM_helix_atom = 1 # TM helix atoms to be analyzed