In chloroplast, the enzyme consists of two parts, CFo and CF1. CFo, a membrane-spanning complex, conducts proton flux through the thylakoid membrane and provides an affinity binding site for the CF1 complex.

• 其中叶绿体ATP合酶可以根据结构和功能的不同分成两部分:镶嵌在膜内的CFo和突出在膜外的CF1。 CFo形成跨类囊体膜的质子通道,并为CF1提供膜上的结合位点。