for m13 coat protein recombinants with dmpc alone , the relative association constants were determined for the phosphatidylcholine , phosphatidylglycerol , and phosphatidic acid spin-labels and found to be 1.0 , 1.0 , and 2.1 relative to the background dmpc , respectively .
C1959616
phosphatidylcholine
C0012456
dmpc