... alanine according to theso-called randomising pathway with succinate a s a symmet-ric intermediate, C. propionicum ferments alanine via thenonrandomising pathway with acrylyl-CoA as c haracter-istic ... ).Detection of glutamate 324 as the catalyticcarboxylate of propionate CoA-transferaseAs the sequence analysis d id not allow an unequivocalidenti®cation of the catalytic glutamate of propionate CoA-transferase, ... sequence of Escherichia c oli K-12. Science 277, 1453±1474.28. Kawarabayasi, Y. , Hino, Y. , Horikawa, H., Yamazaki, S.,Haikawa, Y. , Jinno, K., Takahashi, M., Sekine, M., Baba, S.,Ankai, A. , et al....