An enzyme participating in C-terminal amidation which acts on a peptide C-terminal glycine adduct represented by the following formula (I):
(wherein A represents a residue other than α-amino group or imino group and α-carboxylic group derived from naturally occurring α-amino acid, X represents hydrogen atom or a residue of an amino acid derivative which is bonded to N atom through carbonyl group) to form a peptide C-terminal α-hydroxylglycine adduct represented by the following formula (II):
(wherein A and X have the same meanings as above, and an enzyme participating in peptide C-terminal amidation of a peptide terminal glycine adduct which acts on a peptide C-terminal α-hydroxylglycine adduct represented by the above formula (II) to form a C-terminal amidated compound represented by the following formula (III):
(wherein A and X have the same meanings as described above) a method of producing the same, and the use thereof.
一种参与 C 端酰胺化的酶,它作用于由下式(I)代表的肽 C 端甘
氨酸加合物:
(其中 A 代表α-
氨基或
亚胺基和α-羧基以外的残基,X 代表氢原子或通过羰基与 N 原子结合的
氨基酸衍
生物残基),以形成下式(II)所代表的肽 C-末端α-羟基甘
氨酸加合物:
(其中 A 和 X 的含义同上,以及一种参与肽 C-末端甘
氨酸加合物酰胺化的酶,该酶作用于上式(II)代表的肽 C-末端α-羟基甘
氨酸加合物,形成下式(III)代表的 C-末端酰胺化化合物:
(其中A和X的含义与上述相同)的生产方法及其用途。