anchor.diff:                    <node path="Protein.organism" type="Organism">
                     </node>
                     <node path="Protein.organism.name" type="String">
  -                    <constraint op="=" value="Plasmodium falciparum 3D7" description="" identifier="" code="A">
  +                    <constraint op="=" value="Arabidopsis thaliana" description="" identifier="" code="A">
                       </constraint>
                     </node>
                   </query>
  
positive.code:                   <node path="Protein.organism" type="Organism">
                    </node>
                    <node path="Protein.organism.name" type="String">
                      <constraint op="=" value="Plasmodium falciparum 3D7"
                                  description="" identifier="" code="A">
                      </constraint>
                    </node>
  
negative.code:           <DD>
              All proteins from the <A
              href="http://www.ebi.uniprot.org/index.shtml">UniProt
              Knowledgebase</A> (version 7.5) for the following organism have
              been loaded:
              <UL>
                <LI><I>Arabidopsis thaliana</I></LI>
              </UL>
              For each protein record in UniProt for each species the following
              information is extracted and loaded into PlantMine:
              <UL>
                <LI>Entry name</LI>
                <LI>Primary accession number</LI>
  