We have cloned successful intermediate E coli clones of pGemT-chIFNaCW, pGemT-chIFNaS1, pGemT-chIFNaS3, pGemT-chIFNaA and pUC19-chIFNaCW, pGemT-PcwlC, pGemT-cwlC and pUC19-CWCB, pGemT-cotB13, pGemT-amyE, pGemT-amyE-chIFNaA, pGemT-cotB13-chIFNaS1 and pGemT-cotB13-chIFNaS3.