1. Restriction digest of pTrc99A-AID with HindIII and NcoI.

2. DNA electrophoresis and isolation of DNA encoding AID from proper band.

3. Restriction digest of pMPM-T5 with HindIII and NcoI, use of alkaline phosphatase (CIAP).

4. DNA electrophoresis and isolation of pMPM-T5 vector from proper band.

5. DNA ligation (pMPM-T5+AID vector)

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