_ stats: contacts=6 Nring=3 specif=0.50 _ PDBs: 1:6fk5_A,2:6bow_A, _ -lnE: 1:33.0,2:10.8, _ 1 2 0036 K --KG 0062 Y* YT-- 0162 W --NG 0165 K --NC 0203 Y* YCYT 0204 R* RCMA