... de Salamanca, Edi®cio Departamental, Avda, Salamanca,Spain;2Centro Hispano-Luso de Investigaciones Agrarias, Universidad de Salamanca, Edi®ci o Departamental, Avda, Salamanca,Spain The Phycomyces ... analysisNucleotide and amino-acid sequences were analysed u sing the Vector NTI Suite software package (InforMax, Inc.).Access to the PROSITE database of protein families anddomains was carried ... one of the most abundant and widelydistributed classes of pigment in nature. They are present in photosynthetic bacteria, c yanobacteria, algae and higherplants as well as in nonphotosynthetic...