_ stats: contacts=7 Nring=3 specif=0.43 _ PDBs: 1:1nfk_A,2:1a3q_A, _ -lnE: 1:21.5,2:20.4, _ 1 2 0014 R* RGRG 0016 R* RGRG 0017 Y YTYT 0019 C CCCC 0020 E* ECEC 0024 A HTHG 0037 K KT--