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Table 1 Chemico-physical parameters of the recombinant proteins as produced upon cloning in pET32b or pColdI

From: Optimizing Escherichia coli as a protein expression platform to produce Mycobacterium tuberculosis immunogenic proteins

Protein

Length (aa)

Molecular mass (Da)

Theoretical pI

Trx-TB10.4

261

28,133.6

5.06

TB10.4

103

11,076.3

4.44

Trx-Ag85B

450

48,405.2

5.11

Ag85B

292

31,347.9

4.77

Trx-full

546

58,777.7

4.99

His-full 1

414

44,865.9

5.11

full 1

388

41,720.5

4.71

His-full 2

397

43,060.0

5.53

  1. Theoretical isoelectric point (pI) was calculated by ExPASyBioinformatic Resource Portal (http://www.expasy.org/) using ProtParam tool.