Abstract
Data on the physico-chemical properties of proteins from soybean, groundnut, sesame seed, sunflower seed, safflower seed, mustard seed, rapeseed and cotton seed are fairly extensive. An examination of the available data on high molecular weight proteins suggests that there are similarities in many of their properties. In this report the similarity in amino acid composition, size and shape, molecular weight, secondary structure, subunit composition, association-dissociation at high and low pH, stability towards denaturants, hydrolysis by enzymes and quaternary structure of the high molecular weight proteins is discussed. Based on these similarities a model has been proposed for the associationdissociation, denaturation and reassociation behaviour of the high molecular weight proteins of oilseeds.
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Abbreviations
- Mr :
-
Molecular weight
- SDS:
-
sodium dodecyl sulphate
- PAGE:
-
Polyacrylamide gelelectrophoresis
- GuHCl:
-
guanidine hydrochloride
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Prakash, V., Narasinga Rao, M.S. Structural similarities among the high molecular weight protein fractions of oilseeds. J Biosci 13, 171–180 (1988). https://doi.org/10.1007/BF02903099
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DOI: https://doi.org/10.1007/BF02903099