Separation and identification of differentially expressed nuclear matrix proteins between human esophageal immortalized and carcinomatous cell lines

Table 1 Differentially expressed protein spots between SHEE and SHEEC

Spot No.	Type	Experimental Mr	Experimental pI	Spot No.	Type	Experimental Mr	Experimental pI
1	C	73.0	5.55	9	B	38.2	5.79
2	A	45.1	6.60	10	D	35.8	5.96
3	B	34.0	4.10	11	B	33.5	5.83
4	B	30.0	4.60	12	B	23.1	5.88
5	D	62.5	4.50	13	D	44.6	6.32
6	D	21.0	5.03	14	B	37.6	6.66
7	D	26.2	5.45	15	D	24.6	6.33
8	D	22.2	5.53	16	B	22.7	6.54

Table 2 Proteins identified by MALDI-TOF-MS

Spot No.	Accession No.(gi)	Theoretical Mr	Theoretical pI	Intensity matched	Length (aa)	Name of protein
4	37424	27975	4.8	44%	239	Cytoskeletal tropomyosin
14	17149849	37227	6.9	29%	327	FK506-binding protein 6
16	13647876	26775	5.7	54%	230	Similar to retinoblastoma binding protein 8