| ① + ③ |
Extraction/purification of fusion proteins --> buffer exchange (demineralization) |
| ① + ④ |
Extraction/purification of fusion proteins --> molecular sieve (removal of protein polymer) |
| ① + ③ + ① |
Removal of abundant proteins --> buffer exchange (demineralization) --> enzyme digestion (trypsin-immobilized magnetic beads) |
| ② + ③ |
Removal of abundant proteins --> buffer exchange (demineralization), affinity purification --> buffer exchange |
| ② + ③ + ④ + ① |
Removal of abundant proteins --> buffer exchange (demineralization) --> concentration, affinity purification --> buffer exchange --> concentration, target capture --> buffer exchange (demineralization) --> concentration |
| ② + ③ + ④ + ① |
Removal of abundant proteins --> buffer exchange (demineralization) --> concentration --> enzyme digestion (trypsin-immobilized magnetic beads) |