A simplified procedure for the isolation of chromatographic homogeneous albumin and 12 S globulin from rapeseed is proposed. The method includes prepurification of the proteins by means of fractionating precipitation and dissolution with ammonium sulphate and single chromatography on Sephadex G-200.
Isolation of a “neutral” 12 S globulin from rapeseed (Brassica napus L.)
✍ Scribed by Schwenke, K. D. ;Raab, B.
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 109 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0027-769X
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## Academy of Sciences of the German Democratic Republic A reversible dissociation of the 12 S globulin from rapeseed (Brassica napus L.) depending on ionic strength (Short communication)
composed in every case of the 4 main protein zones. Under heating conditions, when a, and b, remain partially in solution, these two zones are weaker in the precipitate [4]. When the assumption is right that a, and pi form one protomer subunit in the quaternary structure one can conclude that this
The polypeptide chain pattern of the rapeseed 12 S globulin i n the SDS gel electrophoresis is characterized by 4 main zones P X l , P E 2 , PpC3 and PPC4 with molecular masses of 18500, 21000, 27000 and 31000 D re8 ectively (1). Some of them split into double bands (Fig. ) 72). It wa8 suggested th