Affiliation: | 1. Department of Chemistry and Biochemistry, Queens College, The City University of New York, 65–30 Kissena Blvd., Flushing, NY 11367‐1597 (USA), Fax: (+1)?718‐997‐3349;2. Institute of Enzymology, Biological Research Center, Hungarian Academy of Sciences, Karolina út 29., Budapest 1113 (Hungary) |