2.4.1.229 Brij-35 slightly stimulating 639556 2.4.1.229 dithiothreitol activates, best at 5 mM 639556 2.4.1.229 additional information requires reducing condition 639556, 639557 2.4.1.229 NP-40 slightly stimulating 639556 2.4.1.229 Triton X-100 slightly stimulating 639556 2.4.1.229 Tween 20 stimulates, less efficient than Tween 80 639556 2.4.1.229 Tween 80 stimulates 639556 2.4.1.229 Uracil stimulates the purified enzyme at 0.1 mM 639556 2.4.1.229 DTT absolutely dependent on 658198