2EZA
AMINO TERMINAL DOMAIN OF ENZYME I FROM ESCHERICHIA COLI, NMR, RESTRAINED REGULARIZED MEAN STRUCTURE
SOLUTION NMR
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX500 | 500 |
2 | Bruker | AMX600 | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | THE STRUCTURES WERE CALCULATED USING THE SIMULATED ANNEALING PROTOCOL OF NILGES ET AL. (1988) FEBS LETT. 229, 129-136 USING THE PROGRAM X-PLOR 3.1 (BRUNGER) MODIFIED TO INCORPORATE COUPLING CONSTANT (GARRETT ET AL. (1984) J. MAGN. RESON. SERIES B 104, 99-103) AND CARBON CHEMICAL SHIFT (KUSZEWSKI ET AL. (1995) J. MAGN. RESON. SERIES B 106, 92-96) RESTRAINTS, AND T1/T2 RESTRAINTS (TJANDRA ET AL. NATURE STRUCT. BIOL. 4, 443-449, 1997). 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. BEST FITTING TO GENERATE THE AVERAGE STRUCTURE IS WITH RESPECT TO RESIDUES 1 - 246 (RESIDUES 250 - 259 ARE DISORDERED IN SOLUTION). THE DIFFUSION AXIS IS REPRESENTED BY A LINE CONNECTING THE FOLLOWING POINTS: P1 99.732 -1.172 2.902 P2 101.246 -1.242 3.113 | X-PLOR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | REGULARIZED MEAN STRUCTURE |
Conformers Calculated Total Number | 30 |
Conformers Submitted Total Number | 1 |
Additional NMR Experimental Information | |
---|---|
Details | THE 3D STRUCTURE OF THE EIN WAS SOLVED BY MULTI-DIMENSIONAL HETERONUCLEAR NMR AND IS BASED ON 4369 EXPERIMENTAL NMR RESTRAINTS: 117 T1/T2 RESTRAINTS; 952 SEQUENTIAL (|I- J|=1), 809 MEDIUM RANGE (1 < |I-J| <=5) AND 586 LONG RANGE (|I-J| >5) INTERRESIDUES AND 471 INTRARESIDUE APPROXIMATE INTERPROTON DISTANCE RESTRAINTS; 230 DISTANCES FOR 115 BACKBONE HYDROGEN BONDS; 543 TORSION ANGLE RESTRAINTS; 163 THREE-BOND HN-HA COUPLING CONSTANT RESTRAINTS; AND 498 (257 CALPHA AND 241 CBETA) 13C SHIFT. RESTRAINTS. (NUMBERS OF RESIDUES 1 - 259) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.1 | BRUNGER |
2 | structure solution | X-PLOR (SEE ABOVE) | ABOVE) |