3.11.1.3 - 669198 3.11.1.3 expression in Escherichia coli 667704 3.11.1.3 gene palA, DNA and amino acid sequence determination and analysis, the palA gene is organized with four other structural genes, genes palA, palB, palC, palD and palE, in the 2-amino-3-phosphonopropionic acid (phosphonoalanine)-degradative operon, overview. Expression of GFP-tagged PalA, with or without coexpression of the other genes of the operon, in Pseudomonas putida strain KT2440 697989