TABLE 3.

Observed m/z values of [M+H]⁺ PySp1 peptides from tryptic digestion of the luminal proteins extracted from the pyriform gland from the black widow spider, L. hesperus, which give a coverage of ∼33% over the translated PySp1 sequence

	PySp1 peptide	[M + H]theor+	[M + H]obs+
		m/z
1	AYAEALAR	864.4	864.4
2	AQAQAEAAAR	986.5	986.4
3	AHAQAEAAAR	995.5	995.5
4	AQAQVEAAAR	1014.5	1014.5
5	AQAEAHSQAK	1040.5	1040.5
6	AQAHAQAEAVAR	1222.6	1222.6
7	AQAEAAALAHAQAVAR	1548.8	1548.7
8	IASLSQAMSSVISGGR	1563.8	1563.8
9	SPGSEENFVESVLQAFP	1836.8	1836.8
10	VNYAALSSSLSGLASEIQNESNLSK	2582.3	2582.2
11	AHTEADTYSQAQSAAHTIAAAQAQAETR	2899.4	2899.3