1.13.11.27 4 - two pH optima are observed at 50°C: pH 4.0 (close to native conditions, narrow maximum) and pH 7.0 (broad maximum) 727448 1.13.11.27 4.5 - and a second optimum at pH 7.8 395368, 395381 1.13.11.27 4.6 - and a second optimum at pH 7.4, enzyme form 3 395382 1.13.11.27 5.1 - and a second optimum at pH 7.4, enzyme form 1 and 2 395382 1.13.11.27 6 7.5 - 395384 1.13.11.27 6.5 - - 395398 1.13.11.27 6.5 - assay at 726347 1.13.11.27 7 - assay at 724325, 724392, 742068, 742451, 742725, 742731, 743407 1.13.11.27 7 - two pH optima are observed at 50°C: pH 4.0 (close to native conditions, narrow maximum) and pH 7.0 (broad maximum) 727448 1.13.11.27 7.3 - - 395391 1.13.11.27 7.4 - and a second optimum at pH 5.1 for enzyme form 1 and 2, and at pH 4.6 for enzyme form 3 395382 1.13.11.27 7.5 - - 395375, 395389 1.13.11.27 7.6 - assay at 741741 1.13.11.27 7.8 - and a second optimum at pH 4.5 395368, 395381