{ "items" : [
    { "id" : "http://dbpedia.org/resource/Photoaffinity_labeling"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Photoaffinity labeling is a technique used to attach \"labels\" to the active site of a large molecule, especially a protein. The \"label\" attaches to the molecule loosely and reversibly, and has an inactive site which can be converted using photolysis into a highly reactive form, which causes the label to bind more permanently to the large molecule. The technique was first described in the 1970s."] } } }
