阅读说明：本技术 温度优化的l-阿拉伯糖异构酶突变体 (Temperature optimized L-arabinose isomerase mutants ) 是由 A·法尔维克 J·克拉伦 H·迪茨 H·约亨斯 M·默特尔 于 2020-03-16 设计创作，主要内容包括：本发明涉及在包含高浓度二价金属离子的原料内具有高催化活性的温度优化的L-阿拉伯糖异构酶,编码本发明所述的L-阿拉伯糖异构酶的核酸序列,包含编码本发明所述的L-阿拉伯糖异构酶的所述核酸序列的载体,包含本发明所述的L-阿拉伯糖异构酶的组合物,包含本发明所述的L-阿拉伯糖异构酶的酵母细胞,本发明所述的L-阿拉伯糖异构酶、所述组合物或所述酵母细胞在具有高含量二价金属离子的原料的发酵中的用途。(The present invention relates to a temperature optimized L-arabinose isomerase with high catalytic activity in a feedstock comprising a high concentration of divalent metal ions, a nucleic acid sequence encoding the L-arabinose isomerase according to the present invention, a vector comprising the nucleic acid sequence encoding the L-arabinose isomerase according to the present invention, a composition comprising the L-arabinose isomerase according to the present invention, a yeast cell comprising the L-arabinose isomerase according to the present invention, the use of the L-arabinose isomerase according to the present invention, the composition or the yeast cell for the fermentation of a feedstock with a high content of divalent metal ions.)