_ stats: contacts=8 Nring=4 specif=0.50 _ PDBs: 1:5ed4_A, _ -lnE: 1:13.3, _ 1 0068 S NT 0069 S* VC 0071 T* EC 0072 Q* ST 0073 A YT 0075 S* ST 0076 T YC 0095 P RA