isolated sarcoplasmic reticulum vesicles showed a characteristically high p-face ( cytoplasmic leaflet ) particle density ( 5108 +/- 169 particles/micron2 ) and a low e-face ( luminal leaflet ) particle density ( 505 +/- 57 particles/micron2 ) .
C0036226
sarcoplasmic
C0010834
cytoplasmic