Some kinds of receptors possess two affinitybinding sites, they belong to the complex ligand-binding system.
某些受体存在着亚型或异质型,即对某种配基存在有亲和性不同的结合部位,属复杂配基—结合系统。
2
HSF is present in a latent state under normal conditions; it is activated upon heat stress by induction of trimerization, high affinitybinding to DNA and transcriptional activity.