Process for converting preproinsulin analogs into insulins
    6.
    发明授权
    Process for converting preproinsulin analogs into insulins 失效
    将胰岛素类似物转化为胰岛素的方法

    公开(公告)号:US4639333A

    公开(公告)日:1987-01-27

    申请号:US659865

    申请日:1984-10-12

    IPC分类号: C12P21/02 C07K14/62 C07K7/40

    摘要: The invention relates to a process for the preparation of insulins from analogs of preproinsulins, which comprises reacting preproinsulin analogs, at a pH below the isoelectric point of the insulins in the presence of trypsin or a trypsin-like endopeptidase, with an ester of natural amino acids or their derivatives and then cleaving off the ester group and other protective groups which may optionally be present.

    摘要翻译: 本发明涉及从前胰岛素类似物制备胰岛素的方法,其包括在胰蛋白酶或胰蛋白酶样内肽酶存在下,将胰岛素类似物与胰岛素类胰蛋白酶存在下的pH低于胰岛素的等电点与天然氨基酸的酯反应 酸或其衍生物,然后断开酯基和可任选存在的其它保护基。

    Process for the isolation and purification of alpha-interferons
    7.
    发明授权
    Process for the isolation and purification of alpha-interferons 失效
    α-干扰素的分离和纯化方法

    公开(公告)号:US4845032A

    公开(公告)日:1989-07-04

    申请号:US842185

    申请日:1986-03-21

    申请人: Rainer Obermeier

    发明人: Rainer Obermeier

    CPC分类号: C07K14/56 Y10S435/811

    摘要: The invention relates to a process for the isolation and purification of .alpha.-interferons by (a) dissolution of the interferon-containing crude product in guandine. HCl solution and precipitation by dilution with water and/or (b) by chromatography on an HIC column under renaturing conditions.

    摘要翻译: 本发明涉及通过以下方法分离和纯化α-干扰素的方法:(a)将含干扰素的粗产物溶解在胍盐中。 HCl溶液并通过用水稀释和/或(b)通过色谱在HIC柱上在复性条件下沉淀。

    Process for the isolation and purification of alpha-interferons
    8.
    发明授权
    Process for the isolation and purification of alpha-interferons 失效
    α-干扰素的分离和纯化方法

    公开(公告)号:US4681931A

    公开(公告)日:1987-07-21

    申请号:US741865

    申请日:1985-06-06

    CPC分类号: C07K14/56

    摘要: The invention relates to a process for the isolation and purification of .alpha.-interferons generated by plasmids from bacterial cultures which have been modified by genetic engineering, and of .alpha.-interferons from culture supernatants of induced mammalian cells, which comprises partition of appropriate crude substances containing interferon between an aqueous urea solution, which contains a surfactant, and a mixture of n-butanol and glacial acetic acid which contains water, and isolation of the purified .alpha.-interferons from the upper phase.

    摘要翻译: 本发明涉及用于分离和纯化由经遗传工程修饰的细菌培养物的质粒产生的α-干扰素和由诱导的哺乳动物细胞的培养物上清液产生的α-干扰素的方法,该方法包括将含有 在含有表面活性剂的尿素水溶液和含有水的正丁醇和冰醋酸的混合物之间的干扰素,以及从上部相分离纯化的α-干扰素。

    Process for the preparation of pentapeptides having an action on the
immune system and intermediate products for this process
    9.
    发明授权
    Process for the preparation of pentapeptides having an action on the immune system and intermediate products for this process 失效
    制备对该过程具有免疫系统作用的五肽和中间产物的方法

    公开(公告)号:US4658016A

    公开(公告)日:1987-04-14

    申请号:US742441

    申请日:1985-06-07

    摘要: The invention relates to a process for the preparation of peptides of the general formulaArg--Lys--S--Val--Yin which S denotes glutamic acid or .alpha.-aminoadipic acid and Y denotes tyrosine or tryptophan or esters or amides thereof, which comprises subjecting tetrapeptides of the formulaZ--Arg(Z'.sub.2)--Lys(Z')--S--(Bzl)--Val--OHin which Z' represents a protective group of the benzyl type, to a condensation reaction with corresponding tyrosine esters or amides or tryptophan esters or amides and removing the protective groups by hydrogenation. The invention furthermore relates to tetrapeptides as intermediate products of this process.

    摘要翻译: 本发明涉及制备通式Arg-Lys-S-Val-Y的肽的方法,其中S表示谷氨酸或α-氨基己二酸,Y表示酪氨酸或色氨酸或其酯或酰胺,其包括 式Z-Arg(Z'2)-Lys(Z')-S-(Bzl)-Val-OH的四肽,其中Z'表示苄基类型的保护基,与相应的酪氨酸酯缩合反应或 酰胺或色氨酸酯或酰胺,并通过氢化除去保护基。 本发明还涉及作为该方法的中间产物的四肽。