Dem IPB wird erneut ein beispielhaftes Handeln im Sinne einer chancengleichheitsorientierten Personal- und Organisationspolitik bescheinigt. Das Institut erhält zum 6. Mal in Folge das TOTAL E-QUALITY…
Die Plant Science Student Conference (PSSC) wird seit 20 Jahren im jährlichen Wechsel von Studierenden der beiden Leibniz-Institute IPK und IPB organisiert. Im Interview erläutern Christina Wäsch…
Acridone synthase has been purified from cell suspension cultures of Ruta graveolens using a combination of gel filtration and ion exchange chromatography. The purified enzyme has an apparent molecular weight of 69 kDa on gel filtration and a subunit structure on SDS-PAGE of 40 kDa. The apparent Km-values are 10.64 μM and 32.8 μM for N-methylanthraniloyl-CoA and malonyl-CoA, respectively. Tryptic digestion of the homogeneous acridone synthase was performed. Seven of the peptides were chosen for microsequencing. The homology of the amino acid sequences from this particular polypeptide and corresponding peptides from chalcone synthase 3 from garden pea amounted to 76%.
Publikation
Baumert, A.; Porzel, A.; Schmidt, J.; Gröger, D.;Formation of 1,3-Dihydroxy-N-methylacridone from N-Methylanthraniloyl-CoA and Malonyl-CoA by Cell-Free Extracts of Ruta graveolensZ. Naturforsch. C47365-368(1992)DOI: 10.1515/znc-1992-0608
N-Methylanthraniloyl-CoA was synthesized via N-succinimidyl N-methylanthranilate and subsequent transesterification with CoA-SH . This compound was characterized by LSIMS and NMR data. An enzyme preparation from cell suspension cultures of Ruta graveolens catalyzed the formation of 1,3-dihydroxy-N-methylacridone from N-methylanthraniloyl-CoA and malonyl-CoA with a pH optimum of 7.5.