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Backbone structure of the membrane domain of E. coli histidine kinase receptor ArcB
Authors
Maslennikov, I., Klammt, C., Hwang, E., Kefala, G., Kwiatkowski, W., Jeon, Y., Choe, S.
Assembly
histidine kinase receptor ArcB
Entity
1. histidine kinase receptor ArcB (polymer, Thiol state: not present), 115 monomers, 13290.86 Da Detail

MKQIRLLAQY YVDLMMKLGL VRFSMLLALA LVVLAIVVQM AVTMVLHGQV ESIDVIRSIF FGLLITPWAV YFLSVVVEQL EESRQRLSRL VQKLEEMRER DLSLNVQLKD NIAQL


Formula weight
13290.86 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 98.3 %, Completeness: 67.0 %, Completeness (bb): 93.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All67.0 % (953 of 1423)66.4 % (488 of 735)63.3 % (356 of 562)86.5 % (109 of 126)
Backbone93.6 % (644 of 688)92.2 % (214 of 232)93.9 % (321 of 342)95.6 % (109 of 114)
Sidechain48.9 % (414 of 847)54.5 % (274 of 503)42.2 % (140 of 332) 0.0 % (0 of 12)
Aromatic 7.5 % (6 of 80)10.0 % (4 of 40) 5.1 % (2 of 39) 0.0 % (0 of 1)
Methyl38.4 % (76 of 198)51.5 % (51 of 99)25.3 % (25 of 99)

1. ArcB

MKQIRLLAQY YVDLMMKLGL VRFSMLLALA LVVLAIVVQM AVTMVLHGQV ESIDVIRSIF FGLLITPWAV YFLSVVVEQL EESRQRLSRL VQKLEEMRER DLSLNVQLKD NIAQL

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 318 K, pH 5.5, Details Protein expressed in E. coli


#NameIsotope labelingTypeConcentration
1DSSnatural abundance0.5 mM
2sodium acetatenatural abundance20 mM
31-myristoyl-2-hydroxy-sn-glycero-3-[phospho-rac-(1-glycerol)]natural abundance200 mM
4sodium chloridenatural abundance10 mM
5Protein[U-98% 13C; U-98% 15N]0.5 mM
6H2Onatural abundance95 %
7D2Onatural abundance5 %
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 318 K, pH 5.5, Details Protein expressed in CF system


#NameIsotope labelingTypeConcentration
8DSSnatural abundance0.5 mM
91-myristoyl-2-hydroxy-sn-glycero-3-[phospho-rac-(1-glycerol)]natural abundance100 mM
10Mes-BisTrisnatural abundance20 mM
11Protein[U-99% 13C; U-99% 15N]0.3 mM
12H2Onatural abundance95 %
13D2Onatural abundance5 %

LACS Plot; CA
Referencing offset: 0.52 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.52 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: -0.1 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 0.24 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2KSD, Strand ID: A Detail


Release date
2010-06-14
Citation
Membrane domain structures of three classes of histidine kinase receptors by cell-free expression and rapid NMR analysis
Maslennikov, I., Klammt, C., Hwang, E., Kefala, G., Okamura, M., Esquivies, L., Mors, K., Glaubitz, C., Kwiatkowski, W., Jeon, Y., Choe, S.
Proc. Natl. Acad. Sci. U. S. A. (2010), 107, 10902-10907, PubMed 20498088 , DOI 10.1073/pnas.1001656107 ,
Related entities 1. histidine kinase receptor ArcB, : 1 : 3 : 2 entities Detail
Interaction partners 1. histidine kinase receptor ArcB, : 12 interactors Detail
Experiments performed 9 experiments Detail
NMR combined restraints 5 contents Detail
Keywords cell-free synthesis, Histidine kinase receptor, membrane domain, two-helical hairpin