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. 2013 Nov 9;13:250. doi: 10.1186/1471-2180-13-250

Figure 5.

Figure 5

Kinetics and forms of MCAP secreted by recombinant X-33/pGAPZα+MCAP-5 and X-33/pGAPZα+SyMCAP-6. Recombinants were cultured for 24, 48, 72 and 96 hours in YPD medium (initial medium pH: 5.0 and 7.0) at 24°C. Proteins in the sample corresponding to 37 μL of the original supernatant broth were loaded on each lane of SDS-PAGE. Samples: Lane 1, molecular standards (kDa); lanes 2, 3, 4, 5, and 8, secreted expression from recombinant X-33/pGAPZα+MCAP-5 (lane 2, 24 h; lane 3, 48 h; lane 4, 72 h; lane 5, 96 h; lane 8, 72 h); lanes 6, 7, and 9, secreted expression from recombinant X-33/pGAPZα+SyMCAP-6 after 72 hours of cultivation. Lane 7, 4 μg of purified MCAP protein on HiTrap SP Sepharose Fast Flow. The arrows indicate the expressed forms of MCAP protein when the initial pH value of the medium was 5.0 and the lines indicate the expressed forms of MCAP at initial pH of 7.0.