1.4.3.20 - 674267 1.4.3.20 expressed in Escherichia coli BL21(DE3) cells 742115 1.4.3.20 expressed in Escherichia coli Rosetta cells 741774 1.4.3.20 expressed in Escherichia coli Rosetta(DE3) cells 741977, 742517 1.4.3.20 expressed in Escherichia coli S17-1 (lambdapir) cells 725998