_ stats: contacts=14 Nring=14 specif=1.00 _ PDBs: 1:4lup_A, _ -lnE: 1:13.5, _ 1 0051 K* KT 0055 A* AT 0059 F* FC 0060 R* RC 0062 D* DC 0063 S* SC 0066 Y* YA 0067 T* TA 0068 W* WC 0070 Y* YA 0071 R* RA 0072 I* IT 0075 N* NT 0079 N* NG