Model Number,Pair Number,Pair Name,Leontis / Westhof Classification,Saenger Classification 1,7,A_A9:U37_B,1,20 1,2,A_C3:G44_B,1,19 1,5,A_C6:G41_B,1,19 1,6,A_C8:G38_B,1,19 1,8,A_C10:G36_B,1,19 1,9,A_C11:G35_B,1,19 1,16,A_C20:G27_B,1,19 1,18,A_C22:G25_B,1,0 1,1,A_G2:C45_B,1,19 1,3,A_G4:C43_B,1,19 1,10,A_G12:C34_B,1,19 1,11,A_G13:C33_B,1,19 1,13,A_G15:C31_B,1,19 1,14,A_G18:C29_B,1,19 1,17,A_G21:C26_B,1,19 1,4,A_U5:U42_B,0,0 1,12,A_U14:A32_B,1,20 1,15,A_U19:U28_B,0,0