The action pattern of potato phosphorylase

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Abstract
The action pattern of potato phosphorylase has been shown to be completely multi-chain both in the synthesis and the phosphorolysis of amylose. Synthetic amyloses of known average chain length have been prepared and, up to 160, their degrees of polydispersity (deter- mined by Mould and Synge, 1954) are shown to be entirely in agreement with values calculated on the assumption of multi-chain action. The priming activities of the maltodextrins have been compared. Maltotriose is the lowest memeber of the series to exhibit priming activity. This activity is very weak and the higher members, malto-tetraose, -perttaose and -hexaose are much more efficient.