2.1.1.28 C-terminally His-tagged hPNMT is expressed in Escherichia coli 2.1.1.28 expressed in a mouse C127 cell line 2.1.1.28 expressed in Escherichia coli 2.1.1.28 expressed in Escherichia coli as a His-tagged fusion protein 2.1.1.28 expressed in Escherichia coli strain BL21(DE3)-pLysS 2.1.1.28 expressed in Escherichia coli strain BL21(DE3)pLysS 2.1.1.28 expressed in Eschrischia coli 2.1.1.28 expression analysis, transcriptional response of the PNMT gene to GDNF and cpt-cAMP involves distal portions of the PNMT promoter, transient expression of PNMT promoter constructs in MPC 10/9CRC1 cultures 2.1.1.28 expression of C-terminally His6-tagged wild-type and mutant enzymes 2.1.1.28 expression of C-terminally His6-tagged wild-type enzyme