_ stats: contacts=4 Nring=2 specif=0.50 _ PDBs: 1:8he5_a,2:8siy_G, _ -lnE: 1:14.1,2:14.0, _ 1 2 0001 R* RTRG 0002 Y --YG 0026 L LG-- 0044 R* RART