Aberrant expression of nuclear matrix proteins during HMBA-induced differentiation of gastric cancer cells

Table 1 Differentially expressed nuclear matrix proteins identified by mass spectrum

Spot number	Protein name	Accession number	Mol. mass calc (Da)	pI (calc)	Score
Up-regulated proteins
L1	Zinc finger protein 268	Q14587	108 373	9.14	57
L2	Calcium-binding protein CaBP5	Q9NP86	19 812	4.46	61
L3	MAGUK p55 subfamily member 3	Q13368	66 168	6.27	45
L4	Vacuolar protein sorting 33B	Q9H267	70 570	6.29	54
L5	Ras-related protein Rab-30	Q15771	23 058	4.91	64
L6	Vimentin	57471646	49 623	5.19	48
L7	Calnexin (Precursor)	4262127	10 638	5.30	89
Down-regulated protein
L8	Peroxiredoxin 2	P32119	21 892	5.66	72
L9	Transcriptional repressor CTCFL	Q8NI51	75 668	8.58	67
L10	Prohibitin	P35232	29 859	5.57	79
L11	Keratin 1, type II, cytoskeletal	7428712	65 455	6.03	86
L12	PACAP protein	18204192	20 681	5.37	161
L13	hnRNP A2/B1	P22626	36 600	8.67	97
L14	C-type lectin	Q2K157	22 130	5.47	68
L15	Nucleophosmin	Q96EA5	32 726	4.64	76