Table 2. Density of IMP (particles/μm²) in different apicomplexans.

Species	Plasma membrane			External cytomembrane			Internal cytomembrane
	EF	PF	Kp	PF	EF	Kp	EF	PF	Kp
Gregarina blaberae1	977 ± 235	1469 ± 233	1.5	285 ± 39	133 ± 34	2.1	158 ± 72	297 ± 33	1.9
Gregarina cuneata	2770 ± 96	2244 ± 283	0.8	1420 ± 190	1260 ± 211	1.1	1502 ± 273	1993 ± 253	1.3
Gregarina polymorpha	2473 ± 147	1446 ± 158	0.6	602 ± 265	863 ± 202	0.7	814 ± 246	1276 ± 200	1.6
Gregarina steini	1783 ± 233	2265 ± 154	1.3	2588 ± 189	3820 ± 211	0.7	1886 ± 274	2339 ± 132	1.2
Eimeria nieschulzi2	218 ± 21	648 ± 73	3.0	2360 ± 133	29 ± 7	81.4	146 ± 31	1780 ± 97	12.2
Plasmodium knowlesi3	185 ± 25	2198 ± 528	11.9	1751 ± 228	38 ± 15	46.1	48 ± 28	574 ± 200	12.0
Siedleckia nematoides	183 ± 8	2926 ± 135	16.0	2745 ± 220	458 ± 15	6.0	797 ± 60	3342 ± 128	4.2

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.

¹Values taken from [17]

²Values taken from [49]

³Values taken from [50].