2.6.1.5 additional information - - 640103 2.6.1.5 4 9 more than 50% activity between pH 4.0 and 9.0 760132 2.6.1.5 4 10 more than 50% activity between pH 4.0 and 10.0 760204 2.6.1.5 4 11.2 enzyme shows high activity over a broad pH range 721359 2.6.1.5 5 10.5 - 657704 2.6.1.5 6 8 - 640110 2.6.1.5 6 9 more than 70% activity between pH 6.0 and 9.0 759200 2.6.1.5 8.8 9.4 L-tyrosine as substrate, isoenzyme TAT-3 640111