TABLE 3.

Modification of specific protein chaperones found in exosomes during reticulocytes maturation

Identified protein	Gene	Mass	Mean ratio D2/D7	Ratio D2/D7 S1	Ratio D2/D7 S2
		Da
DnaJ (Hsp40) homolog
Subfamily B, member 1	B0K030	38294	3.69	4.44	2.94
Subfamily B, member 4	Q5XIP0	37969	6.00	6.00	Abs
Subfamily B member 6	DNJB6	39012	2.00	D2a	2.00
Subfamily C, member 5	P60905	22885	D2a	D2a	D2a
Putative uncharacterized protein Dnajc13	D3ZNI6	209275	0.27	D7a	0.53
Hsc70-interacting protein	P50503	41424	12.25	D2a	12.50
Heat shock cognate 71-kDa protein (Hsc 70)	HSP7C	71055	2.26	2.45	2.06
BAG family molecular chaperone regulator 5	Q5QJC9	51030	D2a	D2a	D2a
Heat shock 70-kDa protein 1A/1B	HSP71	70427	1.17	D2a	1.17
Stress-induced-phosphoprotein 1	STIP1	63157	5.57	4.00	7.14
78-kDa glucose-regulated protein, Hspa5	GRP78	72473	2.06	2.35	1.76
Heat shock 70 kDa protein 4	HSP74	94057	0.18	0.05	0.32
Endoplasmin	ENPL	92998	0.69	0.71	0.67
Hsp90 α	HS90A	85160	0.39	0.26	0.51
Hsp90 β	HS90B	83571	0.22	D7a	0.44
T-complex protein 1
α	TCPA	60834	0.47	0.22	0.71
β	TCPB	57764	0.54	0.23	0.85
δ	TCPD	58775	0.56	0.25	0.86
ϵ	TCPE	59954	0.49	0.20	0.78
γ	TCPG	61178	0.38	0.12	0.64
Chaperonin subunit 6a (ζ)	Q3MHS9	58437	0.50	0.21	0.78
η (RCG55994, isoform CRA_c)	D4AC23	60133	0.53	0.26	0.81

^a Data indicate that, in that series, the protein was detected only on the indicated day.