N CYTOSOL NUCLEUS ③)NPC transports NPC protein complex into the nucleus;process requires GTP Importin 2 Protein complex binds to the NPC NLS NLS-containing protein binds to importin and moves to a Protein needed nuclear pore in nucleus 亲核蛋白的运输模式图 主讲：汤华 25 主讲：汤 华 25 亲核蛋白的运输模式图