Appendix: Letter Based Codes

BaseID 2-Letter Verbose Code
A dA dA
C dC dC
G dG dG
T dT T
a rA rA
c rC rC
g rG rG
U rU U
t 3T idT
1 mA r2’OMeA
2 mC r2’OMeC
3 mG r2’OMeG
4 mU 2’OMeU
5 As dA-s
6 Cs dC-s
7 Gs dG-s
8 Ts T-s
  1s r2’OMeA-s
J 2s r2’OMeC-s
K 3s r2’OMeG-s
L 4s 2’OMeU-s
B as rA-s
E cs rC-s
F gs rG-s
H us U-s
n 6n AminoC6
i Tn T-C6amino
b bb BiotinC6
p pp Phos
u rU U
s ss C6-SS-C6-
m n3 C7-amino-3′
h al 5′-Aldehyde 4FB
O BT Biotin-TEG
S 18 Spacer18
f FA C6FAM
r TA TAMRA
P HP HydroxyProline
M fA r2’FluoroA
N fC r2’FluoroC
Q fG r2’FluoroG
R fU 2’FluoroU
I dI dInosine
o Pn C6Amino
q Bp BiotinPEG
V n5 5’Amino5
v Bs Biotin-Osu
W TS T(S2)
X XX XXX
Y Cy Cy3
Z sT dT(thiol)
d dB Biotin
e 3S C3-Thiol
j 8g (8oxo_rg)
k gg glyceryl
l NT NHS-Carboxy-dT
w dN N
x Ch Cholesterol
y 5B Biotin-C4-amide-C4
z C5 Cy5
9 fI 2fluoro_dI