# Aptamer Name Aptamer Target (General) Aptamer Target (Specific) Length Affinity Buffer GC Content Sequence Reference
421 L-Arginine (ag.06) Small Organic L-Arginine 97 330 nM Binding buffer: 250 mM NaCl, 50 mM Tris–HCl (pH 7.6), 5 mM MgCl2 55.67% 5' GGAGCUCAGCCUUCACUGCAUGAUAAACCGAUGCUGGGCGAUUCUCCUGAAGUAGGGGAAGAGUUGUCAUGUAUGGGGGCACCACGGUCGGAUCCUG 3' Geiger, Albert, et al. "RNA aptamers that bind L-arginine with sub-micromolar dissociation constants and high enantioselectivity." Nucleic Acid Research, 24 (1996): 1029-1036.
422 NF-kappa B Protein NF-kappa B 97 1 nM Buffer A (20 mM HEPES (pH 7.5), 0.4 M NaCl, 2 mM EDTA, 5% v/v glycerol, 1 mM DTT, 0.5 mM PMSF, 1 ug/mL pepstatin, 1 ug/mL leupeptin) Buffer B (20 mM HEPES (pH 7.5), 2 mM EDTA, 5% v/v glycerol, 1 mM DTT, 0.5 mM PMSF, 1 ug/mL pepstatin, 1 ug/mL leupeptin) Selection Buffer (10 mM HEPES (pH 7.5) 0.1 M NaCl, 1 mM DTT) 41.24% 5' GGGAUAUCCUCGAGCAUAAGAAACAAGAUAGAUCCUGAAACUGUUUUAAGGUUGGCCGAUCUUCUGCUCGAGAAUGCAUGAAGCGUUCCAUAUUUUU 3' Lebriska and Maher. "Selection and Characterization of an RNA Decoy for Transcription Factor NF-B." Journal of Biochemistry, 38(1999): 3168-3174.
423 Co2+ (AR1) Small Organic Co2+ 98 ~100 µM Standard Reaction Conditions: 50 mM Tris-HCl, pH 7.5, 20 mM MgCl2  54.08% 5' GGAUAAUAGCCGUAGGUUGCGAAAGCGACCCUGAUGAGAAAGCCAAAGCCGUAGCGCAGAUGAUCUCGCCAUCAGUACCGAAACGGUAGCGAGAGCUC 3' Seetharaman et al. "Immobolized RNA switches for the analysis of complex chemical and biological mixtures." Nature Biotechnology, 19(2001): 336-341.
424 Cd2+ (AR1) Small Organic Cd2+ 98 ~100 µM Standard Reaction Conditions: 50 mM Tris-HCl, pH 7.5, 20 mM MgCl2  54.08%
425 Ni2+ (AR1) Small Organic Ni2+ 98 ~100 µM Standard Reaction Conditions: 50 mM Tris-HCl, pH 7.5, 20 mM MgCl2  54.08% 5' GGAUAAUAGCCGUAGGUUGCGAAAGCGACCCUGAUGAGAAAGCCAAAGCCGUAGCGCAGAUGAUCUCGCCAUCAGUACCGAAACGGUAGCGAGAGCUC 3' Seetharaman et al. "Immobolized RNA switches for the analysis of complex chemical and biological mixtures." Nature Biotechnology, 19(2001): 336-341.
426 Zn2+ (AR1) Small Organic Zn2+ 98 ~100 µM Standard Reaction Conditions: 50 mM Tris-HCl, pH 7.5, 20 mM MgCl2  54.08% 5' GGAUAAUAGCCGUAGGUUGCGAAAGCGACCCUGAUGAGAAAGCCAAAGCCGUAGCGCAGAUGAUCUCGCCAUCAGUACCGAAACGGUAGCGAGAGCUC 3' Seetharaman et al. "Immobolized RNA switches for the analysis of complex chemical and biological mixtures." Nature Biotechnology, 19(2001): 336-341
427 Mn2+ (AR1)  Small Organic Mn2+ 98 ~1 mM Standard Reaction Conditions: 50 mM Tris-HCl, pH 7.5, 20 mM MgCl2  54.08% 5' GGAUAAUAGCCGUAGGUUGCGAAAGCGACCCUGAUGAGAAAGCCAAAGCCGUAGCGCAGAUGAUCUCGCCAUCAGUACCGAAACGGUAGCGAGAGCUC 3' Seetharaman et al. "Immobolized RNA switches for the analysis of complex chemical and biological mixtures." Nature Biotechnology, 19(2001): 336-341.
428 HER-2 (S6) Cells HER-2 98 94.6 nM Binding buffer: 4.5 g/L glucose, 5 mM MgCl2, 0.1 mg/mL yeast tRNA, 1 mg/mL BSA in Dulbecco’s PBS.  51.02% 5' GGGAGAUACCAGCUUAUUCAAUUUGGAUGGGGAGAUCCGUUGAGUAAGCGGGCGUGUCUCUCUGCCGCCUUGCUAUGGGGAGAUAGUAAGUGCAAUCU 3' Kang, H. (2009). Isolation of RNA aptamers targeting Her-2-overexpressing breast cancer cells using cell-selex. Bull. Korean Chem. Soc., 30(8), 182-1831.
429 Activated Protein C (APC 99) Protein Human Activated Protein C 99 137 nM Binding Buffer: 10 mM sodium citrate, 150 mM KCl (pH 7.6). 62.63% 5' GUGAGACCAGCCGAGUGGUGUCUGGCUAUUCACUGGAGCGUGGGUGGAACCCCUGCGCACUCGUUUGGCUGUCCGGGCCUUCGGGCCGGGAUUAUCUCU 3' Gal, S., et al. "Selection of a RNA aptamer that binds to human activated protein C and inhibits its protease function." European Journal of Biochemistry, 252(1998): 553-562.
430 Caffeine (S2.caf.D11) Protein Caffeine 99 1mM Selection Buffer (500 mM NaCl, 10 mM MgCl2, 1 mM EDTA, 10 mM sodium phosphate, 90 mM HEPES (pH 7.5)) Assay Buffer (180mM HEPES (pH 7.0±8.0), 300 mM NaCl, 20 or 50 mM MgCl2, 2 mM EDTA, 20 mM Na phosphate), r.t. 51.52% 5' GGAUGUCCAGUCGCUUGCAAUGCCCUUUUAGACCCUGAUGAGGAUCAUCGGACUUUGUCCUGUGGAGUAAGAUCGCGAAACGGUGAAAGCCGUAGGUCU 3' Ferguson et al. "A novel strategy for selection of allosteric ribozymes yields RiboReporter TM sensors for caffeine and aspartame." Nucleic Acids Research, 32(2004): 1756-1766