Table 2. The total number of lipids and the percentage of individual lipid groups in each of the eight membranes.
Average plasma membrane | Brain plasma membrane | |||||||
---|---|---|---|---|---|---|---|---|
mem #1 | mem #2 | mem #3 | mem #4 | mem #1 | mem #2 | mem #3 | mem #4 | |
Total number of lipids in each leaflet | ||||||||
in / out | 1503/1638 | 1564/1663 | 1571/1650 | 1553/1663 | 1728/1891 | 1740/1847 | 1770/1886 | 1764/1906 |
Percentage of lipid groups | ||||||||
CHOL | 27.7/31.7 | 30.4/32.1 | 30.8/32.1 | 29.6/33.0 | 44.5/45.7 | 45.1/46.1 | 45.4/46.3 | 44.4/46.4 |
PC | 17.9/36.4 | 18.9/34.3 | 15.9/34.7 | 17.8/34.3 | 12.4/23.0 | 12.4/23.6 | 14.8/25.8 | 14.2/21.9 |
PE | 24.5/6.6 | 21.9/4.6 | 24.8/5.3 | 25.2/6.2 | 22.8/9.7 | 21.8/11.7 | 19.6/9.2 | 20.9/10.5 |
SM | 10.6/18.7 | 8.9/19.5 | 9.7/19.6 | 8.6/19.1 | 2.1/8.9 | 2.1/9.0 | 2.3/9.2 | 2.8/8.5 |
GM | 0.0/3.7 | 0.0/7.0 | 0.0/5.2 | 0.0/4.7 | 0.0/11.3 | 0.0/8.6 | 0.0/8.0 | 0.0/11.5 |
PS | 11.3/0.0 | 10.7/0.0 | 9.6/0.0 | 10.6/0.0 | 9.8/0.0 | 11.0/0.0 | 9.1/0.0 | 8.7/0.0 |
PI | 3.7/0.0 | 4.5/0.0 | 5.0/0.0 | 5.0/0.0 | 5.4/0.0 | 4.9/0.0 | 5.0/0.0 | 5.1/0.0 |
PIP | 2.0/0.0 | 1.7/0.0 | 1.1/0.0 | 1.5/0.0 | 1.4/0.0 | 0.9/0.0 | 1.3/0.0 | 1.7/0.0 |
PA | 1.6/0.0 | 2.1/0.0 | 2.0/0.0 | 0.9/0.0 | 0.3/0.0 | 0.6/0.0 | 0.5/0.0 | 0.2/0.0 |
LPC | 0.0/1.5 | 0.0/0.8 | 0.0/1.4 | 0.0/1.0 | 0.5/0.3 | 0.2/0.5 | 0.5/0.6 | 0.3/0.3 |
DAG | 0.5/1.0 | 0.3/0.5 | 0.4/0.8 | 0.3/1.0 | 0.4/0.2 | 0.3/0.1 | 0.8/0.3 | 1.0/0.1 |
CE | 0.3/0.4 | 0.6/1.1 | 0.6/0.9 | 0.6/0.7 | 0.2/0.7 | 0.6/0.3 | 0.7/0.5 | 0.7/0.7 |
FS | 6.6/12.2 | 4.4/14.8 | 5.3/14.7 | 4.8/14.0 | 5.1/22.4 | 5.2/19.3 | 6.1/19.8 | 5.8/20.6 |
MU | 24.6/26.7 | 25.4/29.5 | 24.4/27.1 | 25.4/26.6 | 13.2/15.5 | 12.9/15.9 | 14.1/16.6 | 15.2/17.2 |
PU | 41.1/29.4 | 39.8/23.6 | 39.5/26.2 | 40.2/26.5 | 37.2/16.3 | 36.8/18.7 | 34.4/17.2 | 34.5/15.8 |