<rebase>
   <Organism>
     <Name>Aminomonas paucivorans</Name>
       <Enzyme>M1.Apa12260I</Enzyme>
         <Motif>GGAGNNNNNGGC</Motif>
       <Enzyme>M2.Apa12260I</Enzyme>
         <Motif>GGAGNNNNNGGC</Motif>
   </Organism>
   <Organism>
    <Name>Bacillus cellulosilyticus</Name>
       <Enzyme>M1.BceNI</Enzyme>
         <Motif>CCCNNNNNCTC</Motif>
       <Enzyme>M2.BceNI</Enzyme>
         <Motif>CCCNNNNNCTC</Motif>
   </Organism>
</rebase>

name,enzyme
Aminomonas paucivorans,M1.Apa12260I
Aminomonas paucivorans,M2.Apa12260I
Bacillus cellulosilyticus,M1.BceNI
Bacillus cellulosilyticus,M2.BceNI

name,motif
Aminomonas paucivorans,GGAGNNNNNGGC
Aminomonas paucivorans,GGAGNNNNNGGC
Bacillus cellulosilyticus,CCCNNNNNCTC
Bacillus cellulosilyticus,CCCNNNNNCTC

USING PERIODIC COMMIT
LOAD CSV WITH HEADERS FROM "file1.csv" AS csvLine
MATCH (o:Organism { name: csvLine.name}),(e:Enzyme { name: csvLine.enzyme})
CREATE (o)-[:has_enzyme]->(e) //or maybe CREATE UNIQUE?

USING PERIODIC COMMIT
LOAD CSV WITH HEADERS FROM "file2.csv" AS csvLine
MATCH (o:Organism { name: csvLine.name}),(m:Motif { name: csvLine.motif})
CREATE (o)-[:has_motif]->(m) //or maybe CREATE UNIQUE?