Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland.|Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Barcelona, Spain.|Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland.|Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Barcelona, Spain.|Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland.