Background:The role of PRD in scrambling of phospholipids by hPLSCR1 is not known.
Results:The addition of PRD of hPLSCR1 to hPLSCR2 restored its PL scrambling activity, which in turn leads to aggregation of the protein. Conclusion: PRD is crucial for PL scrambling activity and could probably mediate its function by metal ion-dependent oligomerization. Significance: The results provide an insight in understanding the mechanism of scramblases.
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