1Q9P

Solution structure of the mature HIV-1 protease monomer


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents0.5mM HIV-1 protease u-15N, 13C, 20mM phosphate buffer, 95% H2O, 5%D2O
Solvent95% H2O/5% D2O
Ionic Strength20mM
pH5.8
Pressureambient
Temperature (K)293
Experiment(s):3D_13C-separated_NOESY, 3D_15N-separated_NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DMX 500.0
NMR Refinement
Method simulated annealing
Details The structures are based on a total of 862 restraints, 752 are NOE-derived distance constraints, 47 dihedral angle restraints,30 distance restraints from hydrogen bonds, 63 dipolar coupling constraints.
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 100
Conformers Submitted Total Number 20
Representative Model Choice Rationale
1 lowest energy
Computation: NMR Software
# Classification Software Name Author
1 collection version: 2.6 XWINNMR Bruker
2 data analysis NMRPipe D.Garrett
3 structure solution version: 1.0.6 X-PLOR C.D.Schwieters, J.J.Kuszewski, N.Tjandra, and G.M.Clore
4 refinement version: 1.0.6 X-PLOR C.D.Schwieters, J.J.Kuszewski, N.Tjandra, and G.M.Clore