In transformed tobacco cells the apoplasmic invertase inhibitor operates as a regulatory switch of cell wall invertase

Multiple crystal forms of the cell-wall

Multiple crystal forms of the cell-wall invertase inhibitor from tobacco support high conformational rigidity over a broad pH range

✍ Hothorn, Michael ;Scheffzek, Klaus 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 596 KB

Plant acid invertases catalyse the breakdown of sucrose. Their activity is tightly regulated through interaction with specific protein inhibitors. The complex between the cell-wall invertase inhibitor Nt-CIF and its target enzyme is stable only at acidic pH, as found in the plant cell wall. Since th