SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents4 mM heliomicin-LL ; 40mM sodium acetate buffer
Solvent90% H2O/10% D2O
Ionic Strength40mM sodium acetate buffer
Temperature (K)293
Spectrometer Information
Manufacturer Model Field Strength
Bruker AMX 500.0
NMR Refinement
Method torsion angle dynamics (DYANA) and energy minimisation (XPLOR)
Details the structures are based on a total of 120 intra-residue, 172 sequential, 108 medium range, 190 long range NOE-derived distance restraints, 9 distances restraints corresponding to the 3 disulfide bridge, 100 dihedral angle restraints, and 13 distance restraints for hydrogen bonds
NMR Ensemble Information
Conformer Selection Criteria structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy, target function
Conformers Calculated Total Number 40
Conformers Submitted Total Number 18
Representative Model Choice Rationale
1 lowest target function
Additional NMR Experimental Information
1 This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software
# Classification Software Name Author
1 collection UXNMR --
2 data analysis XEASY Bartels
3 refinement DYANA Guentert
4 refinement X-PLOR Brunger