<?xml version="1.0"?>
<!DOCTYPE bioml SYSTEM "bioml.dtd">
<bioml>
<note>
The following is a valid BIOML file describing mature human insulin.
It is meant for tutorial purposes. To see a more complicated example
describing the same protein, click here.
</note>
<organism>
<species>Homo sapiens</species>
<protein comp="6xS[1]">
   <name>Insulin</name>
   <subunit id="1" comp="1xP[1]+1xP[2]">
     <peptide id="1" start="1" end="21">
        <name>Chain A</name>
        <aa type="C" at="6" to="11"/>
        <aa type="C" at="7" to="P[2]A[7]"/>
        <aa type="C" at="11" to="6"/>
        <aa type="C" at="20" to="P[2]A[19]"/>
        GIVEQCCTSI CSLYQLENYC N
     </peptide>
     <peptide id="2" start="1" end="30">
        <name>Chain B</name>
        <aa type="C" at="7" to="P[1]A[7]"/>
        <aa type="C" at="19" to="P[1]A[20]"/>
        FVNQHLCGSH LVEALYLVCG ERGFFYTPKT
     </peptide>
  </subunit>
</protein>
</organism>
</bioml>