_ stats: contacts=4 Nring=4 specif=1.00 _ PDBs: 1:6ldi_G,2:1r8e_A, _ -lnE: 1:15.2,2:15.0, _ 1 2 0016 R* KGKC 0019 H* RTRT 0020 H* FC-- 0037 Y* YGYC