4.1.3.43 50 - half-life in complex with TTHB247 is 10 h 721659 4.1.3.43 50 - half-life of chimeric TTHB246-BphJ complex is 2.66 h for TTHB246 activity and 1.62 for BphJ activity 721659 4.1.3.43 50 - half-life of single enzyme is 42 h 721659