1	BNO	Norleucine boronic acid	1.000
2	B2I	Isoleucine boronic acid	0.800
3	BLE	Leucine boronic acid	0.800
4	BUB	1-butane boronic acid	0.778
5	3QJ	Hexyl(trihydroxy)borate(1-)	0.727
6	B2V	Valine boronic acid	0.700