Rhodophycean phycoerythrin (R-PE) was isolated from the red alga Griffithsia monilis and purified on Q-Sepharose. Untwinned crystals diffracting to 2.1Å on a rotating anode X-ray source were obtained by the hanging-drop vapour diffusion method, and their space group determined as R3. SDS gel-electrophoresis of dissolved crystals showed the α and β subunits of the protein (apparent molecular weight, about 19 kDa) and two different forms of the γ-subunit (apparent molecular weight, 28 and 30 kDa) being present in the crystals.
|Number of pages||6|
|Journal||Protein and peptide letters|
|Publication status||Published - 1997|