{
  "id"  : "fersht1999",
  "pn"  : "Fersht, 1999",
  "uri" : "http://yea4.us/pk/fersht1999/json/",
  "CT"  : 3.6,
  "ASP" : 4.0,
  "GLU" : 4.5,
  "HIS" : 6.4,
  "NT"  : 7.8,
  "CYS" : 9.1,
  "TYR" : 9.7,
  "LYS" : 10.4,
  "ARG" : 12
}