(GenBank) Homoserine dehydrogenase (YP_061725.1| homoserine dehydrogenase [Leifsonia xyli subsp. xyli str. CTCB07]; ZP_00228464.1| COG0460: Homoserine dehydrogenase [Kineococcus radiotolerans SRS30216]). pfam03447,NAD_binding_3, Homoserine dehydrogenase, NAD binding domain. pfam00742, Homoserine_dh, Homoserine dehydrogenase. pfam01842, ACT, ACT domain. This family of domains generally have a regulatory role. ACT domains are linked to a wide range of metabolic enzymes that are regulated by amino acid concentration.; High confidence in function and specificity