Process Development For Purification Of Recombinant Proteins

Purifying therapeutic proteins without a natural affinity handle often leads to complex, time‑consuming workflows. Many research groups have turned to tagging strategies, but traditional tags come with drawbacks—chiefly, the risk of leaving modifications behind after removal. A new approach enables a self‑cleaving, traceless tag that supports an affinity purification step while preserving the integrity of the final protein. Examine how an affinity‑based purification strategy compares to a conventional non‑affinity process for producing a thermostable scaffold protein expressed in E. coli. By exploring screening results, column transfer, and scale‑up readiness, the work highlights differences in development time, recovery, and purity.

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