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NMR study of a pair of LDL receptor Ca2+ binding epidermal growth factor-like domains, 20 structures
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
1H-NOESY
SEE REFERENCES
SEE REFERENCES
6.5
303
2
COSY
SEE REFERENCES
SEE REFERENCES
6.5
303
3
TOCSY
SEE REFERENCES
SEE REFERENCES
6.5
303
4
1H-15N HSQC
SEE REFERENCES
SEE REFERENCES
6.5
303
5
HMQC-J
SEE REFERENCES
SEE REFERENCES
6.5
303
6
HSQC-NOESY
SEE REFERENCES
SEE REFERENCES
6.5
303
7
HSQC-TOCSY
SEE REFERENCES
SEE REFERENCES
6.5
303
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Home-built
600
2
GE
OMEGA
750
NMR Refinement
Method
Details
Software
simulated annealing
REFINEMENT DETAILS CAN BE FOUND IN REFERENCE 1.
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
NO NOE, 3JHN OR 1JHN CONSTRAINTS VIOLATED BY > 0.5 A, 5 DEGREES OR 2 HERTZ
Conformers Calculated Total Number
280
Conformers Submitted Total Number
20
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
NOE DISTANCE CONSTRAINTS WERE DERIVED FROM CROSS PEAK INTENSITIES MEASURED IN 1H-HOMONUCLEAR AND 1H-15N HETERONUCLEAR NMR SPECTRA. COUPLING CONSTANTS USED TO DERIVE TORSION ANGLE CONSTRAINTS WERE MEASURED IN A 1H-15N HMQC-J SPECTRUM. SEE REFERENCE 1 FOR DETAILS OF 1JHN CONSTRAINT IMPLEMENTATION.
Computation: NMR Software
#
Classification
Version
Software Name
Author
1
refinement
X-PLOR
3.851
BRUNGER STRUCTURAL STATISTICS: FROM EXPERIMENTAL DISTANCE CONSTRAINTS (A) RMS SIGMA DEVIATIONS FROM EXP. RESTRAINTS DEVIATIONS FROM IDEAL GEOMETRY