Table 1.

N-terminal sequence analysis of the 20-kDa fragment

Cycle	Residue	Expected from cDNA	Position
1	Phe	Phe	177
2	Phe	Phe	178
3	Xa	Ser	179
4	Xa	His	180
5	Val	Val	181
6	Gly	Gly	182
7	Trp	Trp	183
8	Leu	Leu	184
9	Leu	Leu	185

^aX, Not identified.