Table 1.

Mass spectrometric identification of protein spots from MCF-7 and HMEpC growth media using MASCOT search engine and NCBI database.

Spot name	Protein name	Mascot accession number	Theoretical pI	Theoretical mass (Da)	Number of peaks matched	Search score
CPA4	Carboxypeptidase A4 isoform 2 preproprotein	gi∣254540196	8.49	43771	5	192
AAT	Alpha-1-antitrypsin	gi∣177827	5.42	46787	2	85
HP	Haptoglobin	gi∣223976	6.23	42344	2	70
HSC70	Chain A, crystal structure of Hsc70 BAG1 in complex with ATP	gi∣225698069	6.38	42120	3	178
ON	Osteonectin	gi∣338325	4.70	35260	1	81