Table 1.

N-terminal sequence results of aFGF, EGF, IGF, and VEGF165. Expected sequence indicates the reference sequence, and observed sequence indicates the result of the N-terminal sequence. C was detected as X due to the characteristics of the Edman sequence method

Protein	Sequence	Position
		P1′	P2′	P3′	P4′	P5′	P6′	P7′	P8′	P9′	P10′
aFGF	Expected	F	N	L	P	P	G	N	Y	K	K
	Observed	F	N	L	P	P	G	N	Y	K	K
EGF	Expected	N	S	D	S	E	C	P	L	S	H
	Observed	N	S	D	S	E	X	P	L	S	H
IGF-1	Expected	G	P	E	T	L	C	G	A	E	L
	Observed	G	P	E	T	L	X	G	A	E	L
VEGF165	Expected	A	P	M	A	E	G	G	G	Q	N
	Observed	A	P	M	A	E	G	G	G	Q	N