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NOE-based 3D structure of the predissociated homodimer of CylR2 in equilibrium with monomer at 266K (-7 Celsius degrees)
Authors
Jaremko, M., Jaremko, L., Kim, H., Cho, M., Schwieters, C.D., Giller, K., Becker, S., Zweckstetter, M.
Assembly
CylR2
Entity
1. CylR2 (polymer, Thiol state: not present), 66 monomers, 7715.914 × 2 Da Detail

MIINNLKLIR EKKKISQSEL AALLEVSRQT INGIEKNKYN PSLQLALKIA YYLNTPLEDI FQWQPE


Total weight
15431.828 Da
Max. entity weight
7715.914 Da
Exptl. method
solution NMR
Refine. method
SIMULATED ANNEALING
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 77.2 %, Completeness (bb): 73.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All77.2 % (649 of 841)80.2 % (357 of 445)68.5 % (220 of 321)96.0 % (72 of 75)
Backbone73.3 % (286 of 390)88.5 % (115 of 130)55.8 % (110 of 197)96.8 % (61 of 63)
Sidechain79.3 % (409 of 516)76.8 % (242 of 315)82.5 % (156 of 189)91.7 % (11 of 12)
Aromatic87.0 % (40 of 46)87.0 % (20 of 23)90.9 % (20 of 22) 0.0 % (0 of 1)
Methyl98.9 % (87 of 88)97.7 % (43 of 44)100.0 % (44 of 44)

1. CylR2

MIINNLKLIR EKKKISQSEL AALLEVSRQT INGIEKNKYN PSLQLALKIA YYLNTPLEDI FQWQPE

Sample

Solvent system 93% H2O/7% D2O, Pressure 1 atm, Temperature 266 (±0.2) K, pH 7.0 (±0.02)


#NameIsotope labelingTypeConcentration
1CylR2[U-100% 13C; U-100% 15N]0.52 (±0.05) mM
2sodium chloridenatural abundance600 mM
3HEPESnatural abundance50 mM
4H2Onatural abundance93 %
5D2Onatural abundance7 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2LYL, Strand ID: A, B Detail


Release date
2013-02-14
Citation
Cold denaturation of a protein dimer monitored at atomic resolution
Jaremko, M., Jaremko, L., Kim, H., Cho, M., Schwieters, C.D., Giller, K., Becker, S., Zweckstetter, M.
Nat. Chem. Biol. (2013), 9, 264-270, PubMed 23396077 , DOI 10.1038/nchembio.1181 ,
Related entities 1. CylR2, : 1 : 9 : 2 : 58 entities Detail
Experiments performed 7 experiments Detail
nullKeywords cold denaturation, CylR2, cytolysin repressor 2, dimer dissociation, DNA-binding protein, ensemble calculations, fast exchange dimer - monomer equlibrium, helix-turn-helix, homodimer, NOE-based structure, protein folding