You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Differential transcription of plastome - encoded genes in the mesophyll and bundle - sheath chloroplasts of the monocotyledonous NADP - malic enzyme - type C4 plants maize and Sorghum .
Output:
malic enzyme