Figure 1

Scheme of the recombinant proteins as produced upon cloning in pET32b (Trx-TB10.4, Trx-Ag85B and Trx- full ) or pColdI (His- full 1 and His- full 2) vectors. Trx: thioredoxin (116 amino acids, aa). The arrow indicates the EK cleavage site. The entire amino acid sequences are reported in the Additional file 1: Figure S2.