. 2013 Sep 22;10:57. doi: 10.1186/1742-9994-10-57

Table 5.

A protein particle density in the fracture faces of the membranes of studied gregarines

Species		*Gregarina cuneata*		*Gregarina polymorpha*		*Gregarina steini*
Membrane	Face	Density = number of particles/μm²(± SE)	Kp	Density = number of particles/μm²(± SE)	Kp	Density = number of particles/μm²(± SE)	Kp
Plasma membrane	PF	2244 ± 283	0.81	1446 ± 158	0.59	2265 ± 154	1.27
Plasma membrane	EF	2770 ± 96	0.81	2473 ± 147	0.59	1783 ± 233	1.27
External cytomembrane	PF	1420 ± 190	1.13	602 ± 265	0.70	2588 ± 189	0.68
External cytomembrane	EF	1260 ± 211	1.13	863 ± 202	0.70	3820 ± 211	0.68
Internal cytomembrane	PF	1993 ± 253	1.33	1276 ± 200	1.57	2339 ± 132	1.24
Internal cytomembrane	EF	1502 ± 273	1.33	814 ± 246	1.57	1886 ± 274	1.24

The size of IMP is in range 6-14 nm.

Kp partition coefficient defined as the ratio of number of particles per μm² in the PF face/number of particles per μm² in the EF face.

SE standard error.