(2S)-3-methyl-2-[(E)-{[(2R,3S,4R,5R)-2,3,4,5-tetrahydroxyoxan-2-yl]methylidene}amino]butanoate + H2O + H(+) <=> 2-dehydro-D-glucose + L-valine
(2s)-3-methyl-2-[(e)-{[(2r,3s,4r,5r)-2,3,4,5-tetrahydroxyoxan-2-yl]methylidene}amino]butanoate + h2o + h(+) <=> 2-dehydro-d-glucose + l-valine
(2S)-3-methyl-2-[(E)-{[(2R,3S,4R,5R)-2,3,4,5-tetrahydroxyoxan-2-yl]methylidene}amino]butanoate + H2O + H(+) <=> 2-dehydro-D-glucose + L-valine
(2s)-3-methyl-2-[(e)-{[(2r,3s,4r,5r)-2,3,4,5-tetrahydroxyoxan-2-yl]methylidene}amino]butanoate + h2o + h(+) <=> 2-dehydro-d-glucose + l-valine