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==1.13== <big><span>Synthesis of Anti-Oligo ===抗体还原=== *取2 ul(1mM) TCEP,用 PBS(7.4) 稀释至 20 ul(100uM),取 5 ul稀释后的 TCEP ,加入 85 ul PBS(7.40),涡旋混匀---TCEP溶液pH过低提前中和 *取2 ul(50uM)抗体,用 PBS(pH 7.4)稀释至 10 ul(10uM),将 TECP 的 PBS 缓冲液加入其中,37℃ 孵育 2 h. *取1 ul(50uM)抗体,用 PBS(pH7.4)稀释至 8 ul,作为 C 组 ===偶联=== *将孵育好的溶液用 PBS(6.5) 洗涤4次(10000g 3.5min),均分样品(A.B)----buffer pH 6.5避免后续加入的Mal被水解(碱性易水解) *A(共混组):向 A 中加入 5 ul(100uM) 的 Mal-PEg-DBCO 和 1 ul(1mM) Azide-ssDNA,室温避光孵育 4 h. *B(依次组):1)向 B 中加入 5 ul(100uM) 的 Mal-PEg-DBCO,室温避光孵育 2 h. 2)孵育结束后,向其加入1 ul(1mM) Azide-ssDNA,室温避光孵育 2 h. ===验证=== *强还原断开轻重链:向A、B、C中加入对应量的蛋白 loudingbuffer ,再各加入1 ulβ-巯基乙醇,100℃煮 10m in *10% SDS-Page. [[File:AOC_1.13.png|thumb|center|600px]]
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