Of the total protein in the protein bodies of castor bean (Ricinus communis L.), approximately 40% is represented by a group of dosely related albumins localized in the matrix of the organefle. This group of albumins has a sedimentation value of 2S and is resolved into several proteins of molecular weight around 12,000 daltons by sodium dodecyl sulfate-acrylamide gel electrophoresis. It has a h...
