SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents25 mM NaH2PO4/Na2HPO4, 0.2 mg/mL NaN3, 1.5 mM GB3 protein and aligning media
Ionic Strength0.05
Temperature (K)300
Experiment(s):2D IPAP [15N,1H]-HSQC, 3D CT(H)CA(CO)NH, 13C-coupled 3D HNCO, quantitative J-correlation 3D TROSY-HNCO
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 800.0
Bruker DMX 600.0
NMR Refinement
Method simulated annealing
Details GB3 solution structure obtained by refinement of the X-ray structure of GB3 (1IGD) with C(alpha)-C', C'-N and C(alpha)-H(alpha) dipolar couplings measured in five aligning media (bicelle, PEG, pf1 phage, negatively and positively charged polyacrylamide gels). HN is placed at the position that yields best agreement with the N-H dipolar couplings. Dipolar couplings originating on residues 10-11, 24-26, 39-41 and the N- and C-terminal residues were excluded, resulting in identity with the X-ray structure for these residues. Less than five N-H couplings could be obtained for residues Q2, E15, E27, N35, N37, and Y45 and for these residues as well as the excluded ones HN is placed on a line that bisects the C'(i-1)-N(i)-C(alpha,i) angle.
NMR Ensemble Information
Conformer Selection Criteria Best agreement with dipolar constraints
Conformers Calculated Total Number 20
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 fewest violations
Computation: NMR Software
# Classification Software Name Author
1 refinement DYNAMO 2.1 Delaglio, F.
2 structure solution DYNAMO 2.1 Delaglio, F.