Model Number,Pair Number,Pair Name,Leontis / Westhof Classification,Saenger Classification 1,1,R_A3:U17_R,1,20 1,3,R_G5:C15_R,1,19 1,4,R_G7:C14_R,1,19 1,5,R_G8:C13_R,1,19 1,2,R_U4:A16_R,1,20 1,7,S_G5:C15_S,1,19 1,8,S_G7:C14_S,1,19 1,9,S_G8:C13_S,1,19 1,6,S_U4:A16_S,1,20