{
  "id"  : "lehningeretal1993",
  "pn"  : "Lehninger, et al., 1993",
  "uri" : "http://yea4.us/pk/lehningeretal1993/json/",
  "CT"  : 2.16,
  "ASP" : 3.65,
  "GLU" : 4.25,
  "HIS" : 6.00,
  "NT"  : 9.47,
  "CYS" : 8.18,
  "TYR" : 10.07,
  "LYS" : 10.53,
  "ARG" : 12.48
}