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. 2020 Mar 3;21(8):702–706. doi: 10.1002/cphc.202000026

Figure 1.

Figure 1

The natural lipid composition of the bacterial cell membrane of S. aureus. The major components are phosphatidylglycerol (PG), lysyl‐phosphatidylglycerol (LPG), and cardiolipin (CL).7 The numbers represent the pKa values according to literature for LPG.9 B) The components of the model system for biophysical investigations: 1,2‐dipalmitoyl‐sn‐phosphatidylglycerol (DPPG) and 1,2‐dipalmitoyl‐sn‐3‐aza‐dehydroxy lysyl‐phosphatidylglycerol (DP3adLPG). C) Predicted charge states of LPG at pH 7.4 according to the pKa value of the α‐amine given in A (calculated using the Henderson‐Hasselbalch equation).