Table 1.

Summary of selection round conditions.

Selection Round	Negative Selection Used	Number of FB1 derivatized beads used	Incubation time with FB1 derivatized beads(min)
1	Unmodified	5 × 108	60
2	Unmodified	5 × 108	60
3	Unmodified	5 × 108	60
4	Unmodified	5 × 108	60
5	l-homocysteine	1 × 108	60
6	l-homocysteine	1 × 108	60
7	l-homocysteine	1 × 108	45
8	l-homocysteine	1 × 108	45
9	l-homocysteine	1 × 108	45
10	l-homocysteine	5 × 107	45
11	l-cysteine and l-methionine	5 × 107	45
12	l-cysteine and l-methionine	5 × 107	30
13	l-cysteine and l-methionine	5 × 107	30
14	l-cysteine and l-methionine	5 × 107	30
15	l-cysteine and l-methionine	1 × 107	30
16	l-glutamic acid	1 × 107	30
17	l-glutamic acid	1 × 107	30
18	l-glutamic acid	1 × 107	20