Table 2. Sequences for the peptide fragments of reduced hAS3MT analyzed by MALDI-TOF-MS.

Sequence	site	observed	Mr (expt)	Mr (calc)	ppm
SADLQTNGCVTTARPVPKHIR	24–44	2320.91	2319.90	2320.21	−133.63
SADLQTNGCVTTARPVPK	24–41	1914.72	1913.71	1913.96	−130.64
DCYVLSQLVGEKGHVTGIDMTK	84–105	2449.86	2448.85	2449.20	−142.92
LGEAGIKNESHDIVVSNCVINLVPDK	139–164	2819.93	2818.92	2819.45	−188.02
NESHDIVVSNCVINLVPDK	146–164	2151.82	2150.81	2151.06	−116.24
THKVLWGECLGGALYWKELAVLAQK	198–222	2870.89	2869.89	2869.53	125.44
ELAVLAQKIGFCPPRLVTANLITIQNK	215–241	3007.99	3006.98	3006.71	89.79
IGFCPPR	223–229	846.27	845.26	845.42	−189.29
ELERVIGDCRFVSATFR	242–258	2054.82	2053.81	2054.04	−111.99
ELERVIGDCR	242–251	1246.42	1245.41	1245.61	−160.59
VIGDCRFVSATFR	246–258	1527.54	1526.53	1526.77	−157.22
FAQDFLIRPIGEKLPTSGGCSALELK	315–340	2847.06	2846.05	2846.50	−158.11
CVPDAAGGCCGTKK	360–373	1480.74	1479.74	1479.63	74.34

Values of observed M+H⁺ (Da) are the results of MALDI-TOF-MS in Figure 1b.