hyr:BSY239_2051 K14260 alanine-synthesizing transaminase [EC:2.6.1.66 2.6.1.2] | (GenBank) beta-eliminating lyase family protein hyr:BSY239_2050 K00003 homoserine dehydrogenase [EC:1.1.1.3] | (GenBank) ACT domain protein hyr:BSY239_2049 K01733 threonine synthase [EC:4.2.3.1] | (GenBank) thrC; threonine synthase