2.4.1.229 Brij-35 slightly stimulating 639556 2.4.1.229 dithiothreitol activates, best at 5 mM 639556 2.4.1.229 DTT absolutely dependent on 658198 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