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Liquid crystal solution structure of the kissing complex formed by the apical loop of the HIV TAR RNA and a high affinity RNA aptamer optimized by SELEX.
Authors
Van Melckebeke, H., Devany, M., Di Primo, C., Beaurain, F., Toulme, J., Bryce, D.L., Boisbouvier, J.
Assembly
TAR-TAR*GA aptamer kissing complex
Entity
1. TAR (polymer, Thiol state: not present), 16 monomers, 5231.107 Da Detail

GAGCCCUGGG AGGCUC


2. TAR*GA (polymer, Thiol state: not present), 16 monomers, 5175.083 Da Detail

GCUGGUCCCA GACAGC


Total weight
10406.189 Da
Max. entity weight
5231.107 Da
Source organism
Human immunodeficiency virus 1
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 80.4 %, Completeness (bb): 87.8 % Detail

Polymer type: polyribonucleotide

Total1H13C15N
All80.4 % (410 of 510)83.3 % (235 of 282)82.5 % (175 of 212) 0.0 % (0 of 16)
Suger, PO487.8 % (309 of 352)87.0 % (167 of 192)88.7 % (142 of 160)
Nucleobase63.9 % (101 of 158)75.6 % (68 of 90)63.5 % (33 of 52) 0.0 % (0 of 16)
Aromatic74.3 % (101 of 136)100.0 % (68 of 68)63.5 % (33 of 52) 0.0 % (0 of 16)

1. TAR

GAGCCCUGGG AGGCUC

2. TAR*GA

GCUGGUCCCA GACAGC

Sample #1

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 6.6


#NameIsotope labelingTypeConcentration
37TARnatural abundance1.8 mM
38TAR*GA[U-98% 13C; U-98% 15N]0.9 mM
39sodium phosphatenatural abundance10 mM
40sodium chloridenatural abundance50 mM
41EDTAnatural abundance10 uM
42sodium azidenatural abundance0.4 g/L
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 6.6


#NameIsotope labelingTypeConcentration
43TAR[U-98% 13C; U-98% 15N]0.9 mM
44TAR*GAnatural abundance1.8 mM
45sodium phosphatenatural abundance10 mM
46sodium chloridenatural abundance50 mM
47EDTAnatural abundance10 uM
48sodium azidenatural abundance0.4 g/L

Release date
2008-07-14
Citation
Liquid-crystal NMR structure of HIV TAR RNA bound to its SELEX RNA aptamer reveals the origins of the high stability of the complex
Van Melckebeke, H., Devany, M., Di Primo, C., Beaurain, F., Toulme, J., Bryce, D.L., Boisbouvier, J.
Proc. Natl. Acad. Sci. U. S. A. (2008), 105, 9210-9215, PubMed 18607001 , DOI 10.1073/pnas.0712121105 ,
Related entities 1. TAR, : 1 : 1 : 30 entities Detail
Related entities 2. TAR*GA, : 1 : 1 entities Detail
Experiments performed 16 experiments Detail
nullKeywords high stability RNA aptamer selected by SELEX, HIV TAR RNA, Kissing complex, liquid crystal NMR, GA base pair, High affinity RNA aptamer selected by SELEX, HIV TAR, Liquid crystal NMR, RNA kissing complex