Model Number,Pair Number,Pair Name,Leontis / Westhof Classification,Saenger Classification 1,2,B_A2:U71_B,1,20 1,14,B_A21:A14_B,5,0 1,23,B_A31:U39_B,1,20 1,3,B_C3:G70_B,1,19 1,4,B_C4:G69_B,1,19 1,6,B_C6:G67_B,1,19 1,16,B_C23:G12_B,1,0 1,17,B_C25:G10_B,1,0 1,20,B_C28:G42_B,1,0 1,24,B_C32:A38_B,0,0 1,9,B_C50:G64_B,1,19 1,1,B_G1:C72_B,0,0 1,7,B_G7:C66_B,1,19 1,15,B_G22:C13_B,1,0 1,18,B_G26:A44_B,0,0 1,22,B_G30:C40_B,1,19 1,8,B_G49:U65_B,1,28 1,10,B_G51:C63_B,1,19 1,12,B_G53:C61_B,1,0 1,5,B_U5:G68_B,1,28 1,19,B_U27:A43_B,1,20 1,21,B_U29:A41_B,1,20 1,11,B_U52:A62_B,1,20 1,13,B_U54:A58_B,0,0