http://purl.uniprot.org/enzyme/3.1.3.99 | http://www.w3.org/2000/01/rdf-schema#comment | "The enzyme, isolated from the yeast Saccharomyces cerevisiae, is highly specific for inosine 5'-phosphate, and has no detectable activity with other purine and pyrimidine nucleotides."xsd:string |