_ stats: contacts=5 Nring=5 specif=1.00 _ PDBs: 1:2ayg_A,2:2bop_A, _ -lnE: 1:13.0,2:11.4, _ 1 2 0013 N* NC-- 0016 K* KGKG 0017 C* CACG 0020 Y* YGFT 0021 R* RA--