酶单独存在时： Glu 270 yr248 A Arg 145
Glu 270 Arg 145 Tyr 248 酶单独存在时: Zn
酶底物复合物： Glu 270 Arg 145Tyr 248 20A B
Arg 145 Tyr 248 酶底物复合物: Glu 270 Zn
HC-C⊙©H-N-Ag6 Gly 270- oQ HN: 0 H-0-r28 CHN-C NH 96 71 His His Arg G2 段状炼A彩解摸式底物未甲甜氨酰柄氨酸的闲
B CH2 HN-Asn144 Gly27 145 HC-C百③H-N-A 248 NH .H-0-Tyr NH His His Arg 2 Glu' 发处游A裂察摸式接物未甲酰甘氨酰末丙资酸的机