_ stats: contacts=5 Nring=3 specif=0.60 _ PDBs: 1:1r8e_A,2:7ckq_G,3:6ldi_G, _ -lnE: 1:34.8,2:11.8,3:9.7, _ 1 2 3 0017 K* KCKGKG 0020 R* RTRTRT 0021 Y --YGFC 0039 Y* YCYCYG 0040 R --RT--