5.3.2.6 (1Z)-1-(nitromethylidene)-3a,4,5,6,7,7a-hexahydro-1H-indene + acetaldehyde - Escherichia coli [1-(nitromethyl)-1H-inden-1-yl]acetaldehyde - ? 427745 5.3.2.6 (1Z)-4-methyl-1-nitropent-1-ene + acetaldehyde - Escherichia coli 5-methyl-3-(nitromethyl)hexanal - ? 427746 5.3.2.6 (2E)-2-hydroxy-3-phenylprop-2-enoate - Pseudomonas putida 2-oxo-3-phenylpropanoate - ? 427747 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Archaeoglobus fulgidus (2E)-5-oxohex-2-enedioate - ? 419897 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate 1,3- and 1,5-keto-enol tautomerization reactions are observed for 2-hydroxy-2,4-hexadienedioate. YwhB converts it to the 3S isomer of 2-oxo-4-hexenedioate in a highly stereoselective manner Bacillus subtilis (2E)-5-oxohex-2-enedioate main product ? 419897 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Helicobacter pylori (2E)-5-oxohex-2-enedioic acid - ? 422179 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Bacillus subtilis (3E)-2-oxohex-3-enedioate - ? 422180 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Escherichia coli (3E)-2-oxohex-3-enedioate - ? 422180 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Pseudomonas putida (3E)-2-oxohex-3-enedioate - ? 422180 5.3.2.6 (2Z,4E)-2-hydroxyhexa-2,4-dienedioate - Pseudomonas putida (3E)-2-oxohex-3-enedioate - r 422180