3EZA

COMPLEX OF THE AMINO TERMINAL DOMAIN OF ENZYME I AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI NMR, RESTRAINED REGULARIZED MEAN STRUCTURE


SOLUTION NMR
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDMX500500
2BrukerDMX600600
3BrukerDMX750750
NMR Refinement
MethodDetailsSoftware
simulated annealingTHE STRUCTURES WERE CALCULATED USING THE SIMULATED ANNEALING PROTOCOL OF NILGES ET AL. (1988) FEBS LETT. 229, 129-136 USING THE PROGRAM CNS MODIFIED TO INCORPORATE COUPLING CONSTANT RESTRAINTS (GARRETT ET AL. (1984) J. MAGN. RESON. SERIES B 104, 99-103), CARBON CHEMICAL SHIFT RESTRAINTS, (KUSZEWSKI ET AL. (1995) J. MAGN. RESON. SERIES B 106, 92-96) RESTRAINTS, AND RESIDUAL DIPOLAR COUPLING RESTRAINTS (CLORE ET AL. J. MAGN. RESON 131, 159-162 (1998); J. MAGN 133, 216-221(1998)). IN THIS ENTRY THE LAST COLUMN REPRESENTS THE AVERAGE RMS DIFFERENCE BETWEEN THE INDIVIDUAL SIMULATED ANNEALING STRUCTURES AND THE MEAN COORDINATE POSITIONS. THE LAST COLUMN IN THE INDIVIDUAL SA STRUCTURES HAS NO MEANING. FITTING TO GENERATE THE AVERAGE STRUCTURE IS WITH RESPECT BEST TO RESIDUES 1 - 250 (RESIDUES 251 - 249 ARE DISORDERED IN SOLUTION) OF ENZYME I AND RESIDUES 1-85 OF HPR. RESIDUES 251-249 ARE OMITTED FROM THE MEAN STRUCTURE.CNS
NMR Ensemble Information
Conformer Selection CriteriaREGULARIZED MEAN STRUCTURE
Conformers Calculated Total Number40
Conformers Submitted Total Number1
Additional NMR Experimental Information
DetailsTHE 3D STRUCTURE OF THE EIN-HPR COMPLEX WAS SOLVED BY MULTI-DIMENSIONAL HETERONUCLEAR NMR AND IS BASED ON 5475 EXPERIMENTAL NMR RESTRAINTS:' INTRAMOLECULAR EIN NOES: 746 SEQUENTIAL (|I-J|1), 517 MEDIUM RANGE (1 < |I-J <= 5), 436 LONG RANGE (|I-J|>5) INTERRESIDUE NOES AND 486 INTRARESIDUE NOES. INTRAMOLECULAR HPR NOES: 247 SEQUENTIAL (|I-J|1), 167 MEDIUM RANGE (1 < |I-J <= 5), 246 LONG RANGE (|I-J|>5) INTERRESIDUE NOES AND 202 INTRARESIDUE NOES. INTERMOLECULAR NOES BETWEEN EIN AND HPR: 117 TORSION ANGLE RESTRAINTS 768 FOR EIN AND 170 FOR HPR. 3JHNA COUPLING CONSTANT RESTRAINTS: 34 FOR HPR 13CALPHA AND 13CBETA CHEMICAL SHIFT RESTRAINTS: 503 FOR EIN, 162 FOR HPR. ONE-BOND N-H DIPOLAR COUPLING CONSTANT RESTRAINTS: 165 FOR EIN AND 79 FOR HPR
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementCNSBRUNGER, ADAMS, CLORE, DELANO, GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ,RICE,SIMONSON,WARREN
2structure solutionCNS (SEE ABOVE)ABOVE)