Hypoxia-inducing factor (HIF), a key transcriptional factor for most hypoxia-inducible genes, is a heterodimer consisting of 2 subunits.

• 低氧诱导因子(HIF)是各种低氧诱导基因调节的关键转录因子，它的活性复合体是由2个亚单位组成的异构体。