Table I.

Analysis by MALDI-TOF MS of the tryptic peptide profiles of the protein spots

Spot number	Protein identified	NCBI accession number	Molecular mass	Mascot probability score	Peptide match	pI
			Da
1	Heterogeneous nuclear ribonucleoprotein K	gi55958545	51,230	93	9/30	5.3
2, 3	Poly(C)-binding protein 2 (αCP2)	gi76617802	38,597	138	10/18	6.33
4, 5, 6	Poly(C)-binding protein 1 (αCP1)	gi13435879	37,987	173	17/30	6.66
7	Poly(C)-binding protein 3 (αCP3)	gi46577695	36,171	152	14/29	8.22
8	Poly(C)-binding protein 2 (αCP2-KL)	gi495128	35,336	112	17/50	8.48
9	Replication protein A32	gi2498846	29,871	88	9/29	5.76