Table I. Fifty-nine categorized proteins associated to prostasomal lipid rafts. “Pos” denotes the position of the protein in Supplementary Table I. Uniprot accession numbers were derived from the website (http://www.uniprot.org/).

Tetraspanins	UniProt no.	Pos	CD Antigens	UniProt no.	Pos	Ras-related protein	UniProt no.	Pos
TSPAN6	O43657	222	CD 9	P21926	117	Rab-1A	P62820	113
TSPAN7	P41732	106	CD 10	P08473	3	Rab-3B	P20337	12
TSPAN8	P19075	256	CD 13	P15144	1	Rab-3D	O95716	101
TSPAN9	O75954	160	CD 14	P08571	226	Rab-5A	P20339	207
TSPAN24 (CD151)	P48509	358	CD 26	P27487	2	Rab-5C	P51148	156
TSPAN29 (CD9)	P21926	117	CD 38	P28907	108	Rab-6A	P20340	263
TSPAN30 (CD63)	P08962	91	CD 47	Q08722	167	Rab-8A	P61006	120
TSPAN31	Q12999	128	CD 55	P08174	67	Rab-8B	Q92930	137
ESCRT-I			CD 58	P19256	299	Rab-14	P61106	255
Tsg101	Q99816	80	CD 59	P13987	176	Rab-27A	P51159	71
Vps28	Q9UK41	77	CD 63	P08962	91	Rab-27B	O00194	126
Vps37B	Q9H9H4	50	CD 151	P48509	358	Rab-35	Q15286	147
Vps37C	A5D8V6	84	CD 177	Q8N6Q3	17	Rab-39B	Q96DA2	262
ESCRT-III			Adapter			Flotillins
CHMP4B	Q9H444	198	cdc42	P60953	44	Flotillin-1	O75955	118
CHMP2A	O43633	187	BAIAP2	Q9UQB8	236	Flotillin-2	Q14254	261
CHMP2B	Q9UQN3	333	Ezrin	P15311	163	Chaperons
Vps4 Complex (ESCRT)			Others			HSP70	P08107	47
CHMP5	Q9NZZ3	307	Syntenin1	O00560	321	HSC71	P11142	42
MMP			ALIX	Q8WUM4	20	HSP90	P07900	54
ADAM7	Q9H2U9	135	SNAP23	O00161	25	Clusterin	P10909	127
ADAM9	Q13443	13	MAL2	Q969L2	302
			Proteinkinase C	Q05655	82
			ZDHHC2	Q9UIJ5	249