Model Number,Pair Number,Pair Name,Leontis / Westhof Classification,Saenger Classification 1,7,A_A9:U36_B,1,20 1,2,A_C3:G43_B,1,19 1,5,A_C6:G40_B,1,19 1,6,A_C8:G37_B,1,19 1,8,A_C10:G35_B,1,19 1,9,A_C11:G34_B,1,19 1,16,A_C20:G26_B,1,19 1,18,A_C22:G24_B,1,19 1,1,A_G2:C44_B,1,19 1,3,A_G4:C42_B,1,19 1,10,A_G12:C33_B,1,19 1,11,A_G13:C32_B,1,19 1,13,A_G15:C30_B,1,19 1,14,A_G18:C28_B,1,19 1,17,A_G21:C25_B,1,19 1,4,A_U5:U41_B,1,16 1,12,A_U14:A31_B,1,20 1,15,A_U19:U27_B,0,0