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    • 2. 发明申请
    • ENZYMATIC ONE-POT REACTION FOR DOUBLE POLYPEPTIDE CONJUGATION IN A SINGLE STEP USING SORTASE
    • 在使用筛选的单一步骤中双酚聚糖的酶一反应反应
    • WO2016096787A1
    • 2016-06-23
    • PCT/EP2015/079692
    • 2015-12-15
    • F. HOFFMANN-LA ROCHE AGHOFFMANN-LA ROCHE INC.
    • HEINDL, DieterKOPETZKI, ErhardTIEFENTHALER, Georg
    • C07K16/00C07K16/32C07K16/46C12N9/52
    • C12P21/02C07K16/00C07K16/32C07K16/468C07K2317/24C07K2317/40C07K2317/52C07K2317/55C07K2317/64C12Y304/2207
    • Herein is reported a method for producing an enzymatic conjugation product of three polypeptides comprising the simultaneous incubation of i) a first polypeptide comprising the amino acid sequence LPXTG (SEQ ID NO: 20, wherein X can be any amino acid residue), a second polypeptide comprising the amino acid sequence LPXTA (SEQ ID NO: 31, wherein X can be any amino acid residue), a third polypeptide that has two N-termini whereby the polypeptide has an oligo-glycine G m (m = 2 (SEQ ID NO: 22), or 3 (SEQ ID NO: 23), or 4 (SEQ ID NO: 24), or 5 (SEQ ID NO: 25)) amino acid sequence at its first N-terminus and an oligo-alanine A m (m = 2 (SEQ ID NO: 26), or 3 (SEQ ID NO: 27), or 4 (SEQ ID NO: 28), or 5 (SEQ ID NO: 29)) amino acid sequence at its second N-terminus, a fourth polypeptide with sortase activity whereby the polypeptide is derived from Staphylococcus aureus sortase A, and a fifth polypeptide with sortase activity whereby the polypeptide is derived from Streptococcus pyogenes sortase A and the recovering of the conjugate from the reaction mixture.
    • 本文报道了一种用于产生三种多肽的酶联结产物的方法,包括同时孵育i)包含氨基酸序列LPXTG(SEQ ID NO:20,其中X可以是任何氨基酸残基)的第一多肽,第二多肽 包括氨基酸序列LPXTA(SEQ ID NO:31,其中X可以是任何氨基酸残基),具有两个N-末端的第三多肽,由此多肽具有寡甘氨酸Gm(m = 2(SEQ ID NO: 22)或3(SEQ ID NO:23)或4(SEQ ID NO:24)或5(SEQ ID NO:25))氨基酸序列和低聚丙氨酸Am(m = 2(SEQ ID NO:26)或3(SEQ ID NO:27)或4(SEQ ID NO:28)或5(SEQ ID NO:29))氨基酸序列, 具有分选酶活性的第四多肽,其中所述多肽衍生自金黄色葡萄球菌分选酶A,以及具有分选酶活性的第五多肽,其中多肽衍生自化脓性链球菌分选酶A 和从反应混合物中回收共轭物。