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SOLUTION STRUCTURE OF CGGIRGERA IN CONTACT WITH THE MONOCLONAL ANTIBODY MAB 4X11, NMR, 7 STRUCTURES
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
TOCSY, NOESY, COSY
5 MM PEPTIDE, 0.1MM MAB; 100 MM PHOSPHATE BUFFER CONTAINING 0.02% SODIUM AZIDE
0.1M PHOSPHATE
7
1 atm
277
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
400
NMR Refinement
Method
Details
Software
ENERGY MINIMIZATION MOLECULAR DYNAMICS
ENERGY MINIMISATION. A DISTANT DEPENDENT DIELECTRIC CONSTANT EQUAL TO 4R WAS APPLIED. THE NET
ELECTRIC CHARGES WERE DECREASED, WHILE THOSE OF THE N AND C TERMINAL CHARGED
GROUPS WERE NEGLECTED. IN THE PDB, NH3+ IS INCLUDED IN THE RESIDUE CYS, AND
COO- IS INCLUDED IN THE RESIDUE ALA. THE RESIDUE GLU HAS MISSING ATOMS HE2 IN ALL STRUCTURES
BECAUSE IN DISCOVER, THIS RESIDUE IS MODELLED AS A CHARGED GROUP(WE HAVE COO- AND NOT COOH).
DYANA
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
50
Conformers Submitted Total Number
7
Representative Model
7 (lowest energy)
Additional NMR Experimental Information
Details
THE PEPTIDE/MAB MOLAR RATIO WAS ADJUSTED TO 50/1 (I.E. 5MM OF PEPTIDE AND
0.1MM OF MAB)