pdbinf.cgi
  coded by T.Kawabata. LastModDate:May 24, 2011
Options can be assigned by three styles:
(1) HTML Form (variable "index"
(2) Argument of cgi-bin
    pdbinf.cgi?index=[index]&item2=value2& ..&itemN=valueN
(3) Argument of normal UNIX application
   pdbinf.cgi index=[index] item2=value2 .. itemN=valueN

  index : "[pdbcode][chain]" (such as "4hhbA", "1mbd-").
  O     : Output type