Table 2. N-terminal histone H3 cleavage sites identified by Edman degradation sequencing.

Spot #	Name	Round 1	Round 2
1	Intact H3	ARTKQ	ARTKQ
2	CS1	NA	T
3	CS2	AARKS	AAAAS TKRRR
4	CS3	TGGV	TGGVK* AAA
5	CS4	REIRR	REIRR* AL-EI

NA: not analysable.

^*Confirmation of first round of identification.