_ stats: contacts=6 Nring=1 specif=0.17 _ PDBs: 1:6fk5_A,2:6bow_A, _ -lnE: 1:31.1,2:8.9, _ 1 2 0036 K --KG 0062 R YT-- 0161 L --NG 0163 N --NC 0202 R* YCYT 0203 V RCMA