[ membrane_1_leaflet_1 ]
      POPE        30
      POPG        14
      PCPG        12
      YOPE        12
      DPPE         8
      PCPE         8
      DPPG         8
      YOPG         8
[ membrane_1_leaflet_2 ]
      POPE        30
      POPG        14
      PCPG        12
      YOPE        12
      DPPE         8
      PCPE         8
      DPPG         8
      YOPG         8