1IHW

SOLUTION STRUCTURE OF THE DNA BINDING DOMAIN OF HIV-1 INTEGRASE, NMR, 40 STRUCTURES


SOLUTION NMR
NMR Refinement
MethodDetailsSoftware
THE STRUCTURES WERE CALCULATED USING THE SIMULATED ANNEALING PROTOCOL OF NILGES ET AL. (1988) FEBS LETT. 229, 129 - 136 USING THE PROGRAM XPLOR 3.1 (BRUNGER) MODIFIED TO INCORPORATE COUPLING CONSTANT (GARRETT ET AL. (1984) J. MAGN RESON. SERIES B 104, 99 - 103), CARBON CHEMICAL SHIFT (KUSZEWSKI ET AL. (1995) J. MAGN. RESON. SERIES B 106, 92 - 96) AND 1H CHEMICAL SHIFT (KUSZEWSKI ET AL., 1995 J. MAGN RESON. SERIES B IN PRESS) RESTRAINTS THE 3D STRUCTURE OF THE HUMAN SRY-DNA COMPLEX SOLVED BY MULTI-DIMENSIONAL HETERONUCLEAR-EDITED AND -FILTERED NMR IS BASED ON 2386 EXPERIMENTAL RESTRAINTS (FOR THE DIMER): (A) INTRASUBUNIT: 332 SEQUENTIAL (|I-J|=1), 202 MEDIUM RANGE (1 < |I-J| >=5) AND 530 LONG RANGE (|I-J| >5) INTERRESIDUES 318 INTRARESIDUE APPROXIMATE INTERPROTON DISTANCE RESTRAINTS; 74 DISTANCE RESTRAINTS FOR 37 HYDROGEN BONDS; 192 TORSION ANGLE (98 PHI, 20 PSI, 50 CHI1 AND 24 CHI2) RESTRAINTS; 78 THREE-BOND HN-HA COUPLING CONSTANT RESTRAINTS; 194 (100 CALPHA AND 94 CBETA) 13C SHIFT RESTRAINTS; AND 392 1H CHEMICAL SHIFT RESTRAINTS (102 CAH, 52 METHYL AND 238 OTHERS). (B) 44 INTERSUBUNIT INTERPROTON DISTANCE RESTRAINTS (C) 30 AMBIGUOUS INTERPROTON DISTANCE RESTRAINTS THAT CAN ARISE FROM INTRA AND/OR INTERSUBUNIT INTERACTIONS. THE STRUCTURE FOUND IN PDB ENTRY 1IHV IS THE RESTRAINED REGULARIZED MEAN STRUCTURE AND THE LAST COLUMN REPRESENTS THE RMS OF THE 40 INDIVIDUAL SIMULATED ANNEALING STRUCTURES FOUND IN THIS ENTRY ABOUT THE MEAN COORDINATE POSITIONS. THE LAST COLUMN IN THE INDIVIDUAL SA STRUCTURES HAS NO MEANING.X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number40
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementX-PLOR3.1BRUNGER