_ stats: contacts=4 Nring=1 specif=0.25 _ PDBs: 1:7xsx_a,2:1jfi_B,3:8txv_G,4:7e9c_G,5:8u14_G, _ -lnE: 1:11.1,2:9.8,3:9.7,4:9.7,5:9.5, _ 1 2 3 4 5 0022 K --RA------ 0023 A --AA------ 0026 Q --NA------ 0041 R* RA--RGRGRT