User:Christopher French: Difference between revisions
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Caspase 8 is a 58 kilodalton protein that shares similarities with other members of the caspase family. The protein is composed of two subunits, referred to as p18 and p11. These two subunits form a heterodimer. The protein has a α/ß folding motif that has a central six stranded beta sheet. Five of the strands are parallel and one is anti-parallel. The antiparallel strand is on the edge of the ß sheet. There are also six alpha helices in the protein structure. Three of these alpha helices are located on one side of the ß sheet and the other two on the other side. There is a turn of helix (α1’) which is part of a large loop (loop 1). This is along the binding pocket region of the p18 subunit. There is a two-stranded antiparallel ß sheet found at the top of the main ß sheet which forms the base of the binding pocket. | Caspase 8 is a 58 kilodalton protein that shares similarities with other members of the caspase family. The protein is composed of two subunits, referred to as p18 and p11. These two subunits form a heterodimer. The protein has a α/ß folding motif that has a central six stranded beta sheet. Five of the strands are parallel and one is anti-parallel. The antiparallel strand is on the edge of the ß sheet. There are also six alpha helices in the protein structure. Three of these alpha helices are located on one side of the ß sheet and the other two on the other side. There is a turn of helix (α1’) which is part of a large loop (loop 1). This is along the binding pocket region of the p18 subunit. There is a two-stranded antiparallel ß sheet found at the top of the main ß sheet which forms the base of the binding pocket. | ||
{{STRUCTURE_1qtn| PDB=1qtn | SCENE= }} | |||
The active site | The active site | ||