3.4.22.51 - 638879, 638889, 752406 3.4.22.51 active complete mature enzyme 638875 3.4.22.51 enzyme and truncated version 638881 3.4.22.51 expression in Escherichia coli 755010 3.4.22.51 expression in Escherichia coli BL21-D3 strain 701365 3.4.22.51 expression in Escherichia coli strain DH5alpha 696710 3.4.22.51 expression of cruzipain truncated in the C-terminal extension in Escherichia coli strains M15 and DH5alpha 717894 3.4.22.51 full-length propeptide of cruzipain is cloned by PCR and expressed in Escherichia coli as a fusion protein with a 6xHis tag at the N-terminus 679761