1.1.1.254 trimer 3 * 28000, D-carnitine dehydrogenase, SDS-PAGE 9589 1.1.1.254 trimer 3 * 28000, SDS-PAGE, laser-induced mass spectrometry 9589 1.1.1.254 trimer 3 * 29000, D-carnitine dehydrogenase, SDS-PAGE 285735