_ stats: contacts=6 Nring=4 specif=0.67 _ PDBs: 1:7ckq_G,2:5d8c_A,3:5i44_I, _ -lnE: 1:11.0,2:10.6,3:9.9, _ 1 2 3 0022 R* KGYTKG 0025 R* RTRTQG 0026 Y* YGFCRT 0029 T --KG-- 0042 K* YC---- 0043 R RT----