TABLE 2.

LC/MS/MS identification of major peptides in α4β3δ GABA_AR SDS-polyacrylamide gel bands

Shown are search results from a Homo sapiens protein database: HSPA1A, heat shock 70-kDa protein 1A/1B; PRMT5, arginine N-methyltransferase 5; GABRA4, GABA_AR α4 subunit; LMNB1, lamin-B1; GABRD, GABA_AR δ subunit; IGF2BP1, insulin-like growth factor 2 mRNA-binding protein 1; ABCD3, ATP-binding cassette subfamily D member 3; GABRB3, GABA_AR β3 subunit; TUBA1A, tubulin α-1A chain; TUBB2A, tubulin β-2A chain; DDX47, probable ATP-dependent RNA helicase DDX47.

Gel band	Protein (gene name)	Peptides detected	MS/MS scans	Average intensity	Coverage
					%
78 kDa	HSPA1A	68	911	1,450,000	70
	PRMT5	40	166	597,000	48
	GABRA4	27	127	393,000	46
	LMNB1	29	65	253,000	48
72 kDa	GABRA4	57	1,005	756,000	55
	GABRD	15	60	209,000	29
	IGF2BP1	17	42	173,000	31
	ABCD3	17	36	118,000	23
62 kDa	GABRD	29	487	924,000	38
	GABRB3	33	282	723,000	41
	GABRA4	32	127	500,000	45
	TUBA1A	24	118	336,000	46
58 kDa	GABRB3	35	304	1,970,000	40
	GABRD	27	421	1,400,000	39
	TUBA1A	34	272	956,000	61
	GABRA4	28	115	712,000	42
	TUBB2A	47	476	655,000	59
54 kDa	GABRA4	26	140	1,180,000	41
	GABRD	25	393	892,000	40
	GABRB3	15	52	639,000	30
	DDX47	13	31	176,000	35