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NMR Solution Structure of the Inhibitor-Free State of Macrophage Metalloelastase (MMP-12)
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_15N-separated_NOESY
1. Uniform labeling with 15N: U-15N
20mM Imidazole; 10mM CaCl2; 20 uM ZnCl2; 90% H2O, 10% D2O
90% H2O/10% D2O
20mM Imidazole,10mM CaCl2 and 20uM ZnCl2
6.6
299
2
3D_13C-separated_NOESY
2. Uniform labeling with 13C, 15N: U-15N,13C
20mM Imidazole ; 10mM CaCl2; 20 uM ZnCl2; 90% H2O, 10% D2O
90% H2O/10% D2O
3
HNCA-J
2. Uniform labeling with 13C, 15N: U-15N,13C
20mM Imidazole ; 10mM CaCl2; 20 uM ZnCl2; 90% H2O, 10% D2O
90% H2O/10% D2O
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
INOVA
600
NMR Refinement
Method
Details
Software
SIMULATED ANNEALING, TORSION ANGLE DYNAMICS,
AUTOMATED ANALYSIS OF NOESY DATA AND 3D STRUCTURES.
the structures are based on a total of 2813 NOE-derived
distance constraints and 220 dihedral angle restraints.
VNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
100
Conformers Submitted Total Number
20
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR
SPECTROSCOPY AND AUTOMATED ANALYSIS OF 3D STRUCTURE.
THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE RECORDS ARE MEANINGLESS.