The 2.1 A structure of a cysteine protease with proline specificity from ginger rhizome, Zingiber officinale.
Choi, K.H., Laursen, R.A., Allen, K.N.(1999) Biochemistry 38: 11624-11633
- PubMed: 10512617 
- PubMed Abstract: 
A cysteine protease from ginger rhizome (GP-II) cleaves peptides and proteins with proline at the P(2) position. The unusual specificity for proline makes GP-II an attractive tool for protein sequencing and identification of stably folded domains in ...