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NMR structure of the J-domain (residues 2-72) in the Escherichia coli CbpA
Authors
Ekiel, I., Sarri-Sarraf, N.
Assembly
J-domain of CbpA
Entity
1. J-domain of CbpA (polymer, Thiol state: not present), 73 monomers, 8717.642 Da Detail

GSELKDYYAI MGVKPTDDLK TIKTAYRRLA RKYHPDVSKE PDAEARFKEV AEAWEVLSDE QRRAEYDQMW QHR


Formula weight
8717.642 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 98.6 %, Completeness: 91.5 %, Completeness (bb): 97.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All91.5 % (806 of 881)90.8 % (422 of 465)92.1 % (314 of 341)93.3 % (70 of 75)
Backbone97.2 % (420 of 432)96.6 % (140 of 145)97.7 % (212 of 217)97.1 % (68 of 70)
Sidechain87.9 % (457 of 520)88.1 % (282 of 320)88.7 % (173 of 195)40.0 % (2 of 5)
Aromatic82.9 % (68 of 82)97.6 % (40 of 41)66.7 % (26 of 39)100.0 % (2 of 2)
Methyl98.4 % (61 of 62)96.8 % (30 of 31)100.0 % (31 of 31)

1. J-domain of CbpA

GSELKDYYAI MGVKPTDDLK TIKTAYRRLA RKYHPDVSKE PDAEARFKEV AEAWEVLSDE QRRAEYDQMW QHR

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 6.8


#NameIsotope labelingTypeConcentration
1J-domain of CbpA[U-13C; U-15N]1 mM
2sodium phosphatenatural abundance50 mM
3sodium chloridenatural abundance250 mM
4DTTnatural abundance1 mM

LACS Plot; CA
Referencing offset: 0.05 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.05 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.08 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 3.54 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 10 models in PDB: 2KQX, Strand ID: A Detail


Release date
2010-05-04
Citation
Structural basis of the regulation of the CbpA co-chaperone by its specific modulator CbpM
Sarraf, N.S., Baardsnes, J., Cheng, J., Cygler, M., Ekiel, M.
J. Mol. Biol. (2010), 398, 111-121, PubMed 20226195 , DOI 10.1016/j.jmb.2010.03.006 ,
Related entities 1. J-domain of CbpA, : 1 : 1 : 14 : 275 entities Detail
Interaction partners 1. J-domain of CbpA, : 10 interactors Detail
Experiments performed 4 experiments Detail
Chemical shift validation 3 contents Detail
Keywords CbpA-J domain, NMR strucure