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Structure of the PSCD-region of the cell wall protein pleuralin-1
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D HNCA
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
2
3D CBCA(CO)NH
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
3
2D 1H-15N HSQC
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
4
1H-15N NOESY HSQC
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
5
1H-15N TOCSY HSQC
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
6
3D HNCO
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
7
HACACO
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
8
3D HCCH-TOCSY
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
9
2D 1H-1H TOCSY
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
10
2D 1H-1H NOESY
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
11
3D HBHA(CO)NH
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
12
2D 1H-13C HSQC
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
13
2D 1H-15N HSQC
0.8 mM [U-97% 13C, U-98% 15N] Pleuralin, formerly HEP200
95% H2O/5% D2O
6.5
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
600
2
Bruker
DRX
800
NMR Refinement
Method
Details
Software
simulated annealing, na
Structures were refined by using data imputation (. Cano, C., Brunner, Baskaran, K., K. Elsner, R., Munte, C. E. and Kalbitzer, H. R. (2009) Protein structure calculation with data imputation: the use of substitute restraints. J. Biomol. NMR 45, 397-411) and refinement in explicut water (Linge, J.P., Williams, M.A., Spronk, C.A.E.M., Bonvin, A.M.J.J. and Nilges, M. (2003). Refinement of protein structures in explicit solvent. Proteins 50, 496-506)., The structure of the PSCD4-domain has been simulated using the experimental restraints obtained from the NMR spectra. The other four domains have been modeled transfering the restraints of the PSCD4-domain for those residues that were kept identical in the sequences. Additional substitute restraints of each domain (Noe distances, hydrogen bonds and dihedral angles) have been obtained using the PERMOL routine
AUREMOL
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
2000
Conformers Submitted Total Number
1
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
The structure has been determined combining experimental restraints (J-coupling, Noe-distances, Hydrogen Bonds and dihedral angles) with additional substitute restraints obtained by homology modelling between the fourth and the other domains