4.4.1.21 0.00037 - (2S)-2-amino-4-[(2R,3R)-2,3-dihydroxy-3-N-hydroxycarbamoylpropylmercapto] butyric acid Co2+ substituted enzyme 678153 4.4.1.21 0.00043 - (2S)-2-amino-4-[(2R,3R)-2,3-dihydroxy-3-N-hydroxycarbamoylpropylmercapto] butyric acid Fe2+ substituted enzyme 678153 4.4.1.21 0.00072 - (2S)-2-amino-4-[(2R,3S)-2,3-dihydroxy-3-N-hydroxycarbamoylpropylmercapto] butyric acid Co2+ substituted enzyme 678153 4.4.1.21 0.00072 - (2S)-2-amino-4-[(2R,3S)-2,3-dihydroxy-3-N-hydroxycarbamoylpropylmercapto] butyric acid Fe2+ substituted enzyme 678153 4.4.1.21 0.0032 - (2S)-2-amino-4-[(2R,3S)-2,3-dihydroxy-3-N-hydroxycarbamoylpropylmercapto] butyric acid Co2+ substituted enzyme 681282 4.4.1.21 0.0035 - S-(4-amino-4,5-dideoxy-alpha/beta-D-ribofuranos-5-yl)-L-homocysteine pH 7.0, 22°C 714473 4.4.1.21 0.0042 - S-(5-deoxy-D-xylofuranos-5-yl)-L-homocysteine pH 7.0, 23°C 702662 4.4.1.21 0.0077 - S-(3,5-dideoxy-3-fluoro-D-xylofuranos-5-yl)-L-homocysteine pH 7.0, 23°C 702662 4.4.1.21 0.0079 - S-(5-deoxy-3-deoxy-3-bromo-D-xylofuranos-5-yl)-L-homocysteine pH 7.0, 23°C 702662 4.4.1.21 0.0079 - S-[3-bromo-3,5-dideoxy-D-ribofuranos-5-yl]-L-homocysteine wild type enzyme 692775