if the separation of the proteins following phycobilisome isolation is done in the presence of the protease inhibitor , phenylmethylsulfonylfluoride , associated with allophycocyanin i are two colored polypeptides of 95 kilodalton ( kd ) and 80 kd , belonging to the class of group i polypeptides as defined by tandeau de marsac and cohen-bazire ( proc natl acad sci usa 1977 74 : 1635-1639 ) .
C0011198
de
C0041703
usa