TABLE 3.

MS tryptic peptide data

Amino acid residues	Avg molecular mass (Da)
	Calculated	nGroES	rGroES
−8–2	1,185.4		1,185.5
3–11	1,056.3	1,056.7	1,056.0
12–34	2,343.6	2,344.6	2,344.6
35–49	1,524.7	1,525.1	1,524.9
35–56	2,384.6	2,385.4	2,385.0
35–57	2,540.8	2,541.7	2,541.5
50–57	1,035.1	1,035.1	1,035.0
57–72	1,777.0	1,777.4	1,777.4
58–72	1,620.8	1,621.0	1,620.7
73–91	2,177.4	2,179.1	2,178.7
80–91	1,428.6	1,429.5	1,429.4