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IntEnz ( Integrated relational Enzyme database ) contains data on enzyme s organized by enzyme EC number and is the official version of the Enzyme Nomenclature system developed by the International Union of Biochemistry and Molecular Biology .
 International Union of Biochemistry and Molecular Biology
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 International Union of Biochemistry and Molecular Biology