# -----------------------------------------------------------------------------
# Pacsy Rama
# -----------------------------------------------------------------------------
#
# Ramachandran plot image files derived from PACSY database (PNG format)
# Developed by Woonghee Lee
# e-mail: whlee@nmrfam.wisc.edu
# National Magnetic Resonance Facilities at Madison
# Department of Bichemistry, University of Wisconsin at Madison
#
# Last updated: November 28, 2014
# 
# -----------------------------------------------------------------------------

PACSY 07/16/2015 version

SS definition (code from STRIDE)
H: H, G, I, T
E: E, B, b
C: C

PACSY paper: 
Lee, W. et al
J. Biol. NMR (2012)

Please cite this or/and upcoming paper.

Color representation
4 x 4 degree voxel (90x90)
Natural log (occurences)
Scaled to 127-255 -> r (strand), g (coil), b (helix)
Color(i, j) = RGB(255-r, 255-g, 255-b)