<?xml version="1.0"?>
 <pKset>
  <id>fersht1999</id>
  <pn>Fersht, 1999</pn>
  <uri>http://yea4.us/pk/fersht1999/xml/</uri>
  <CT>3.6</CT>
  <ASP>4.0</ASP>
  <GLU>4.5</GLU>
  <HIS>6.4</HIS>
  <NT>7.8</NT>
  <CYS>9.1</CYS>
  <TYR>9.7</TYR>
  <LYS>10.4</LYS>
  <ARG>12</ARG>
 </pKset>
