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SOLUTION STRUCTURE OF CGGIRGERG IN CONTACT WITH THE MONOCLONAL ANTIBODY MAB 4X11, NMR, 11 STRUCTURES
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
TOCSY, NOESY, COSY
5 MM PEPTIDE, 0.1 MM MAB; 100 MM PHOSPHTE 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 MINIMISATION 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 GLY. 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
11
Representative Model
11 (lowest energy)
Additional NMR Experimental Information
Details
THE PEPTIDE/MAB MOLAR RATIO WAS ADJUSTED TO 50/1 (I.E. 5MM OF PEPTIDE AND 0.1 MM MAB)