<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE amino-acid SYSTEM "aminoacids.dtd">
<amino-acid>
   <name>Threonine</name>
   <abbreviation>thr</abbreviation>
   <symbol>t</symbol>
   <molecular-formula>C4H9NO3</molecular-formula>
   <molecular-weight>119.12</molecular-weight>
   <isoelectric-point>5.64</isoelectric-point>
   <CAS-registry-number>72-19-5</CAS-registry-number>
</amino-acid>
