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SOLUTION NMR STRUCTURE OF THE L22V MUTANT DNA BINDING DOMAIN OF AREA COMPLEXED TO A 13 BP DNA CONTAINING A TGATA SITE, REGULARIZED MEAN STRUCTURE
SOLUTION NMR
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AMX500
360
2
Bruker
DMX500
600
3
Bruker
AMX600
500
4
Bruker
DMX600
750
5
Bruker
DMX750
750
6
Bruker
AM360
750
7
Bruker
600
750
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 AND PROTEIN ENGINEERING 2, 27 - 38 USING
THE PROGRAM X-PLOR MODIFIED TO INCORPORATE COUPLING
CONSTANT RESTRAINTS (GARRETT ET AL. (1994) 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, DIPOLAR COUPLING RESTRAINTS (TJANDRA ET
AL. (1997) NATURE STRUCT BIOL 4, 732-738) AND A
CONFORMATIONAL DATABASE POTENTIAL FOR PROTEINS AND NUCLEIC
ACIDS (KUSZEWSKI ET AL. (1996) PROTEIN SCI 5, 1067 - 1080
AND (1997) J. MAGN. RESON. 125, 171-177)
THE 3D STRUCTURE OF THE COMPLEX OF THE LEU22VAL AREA
DBD-DNA COMPLEX WAS SOLVED BY MULTI-DIMENSIONAL
HETERONUCLEAR-EDITED AND -FILTERED NMR IS BASED ON THE
FOLLOWING 1128 EXPERIMENTAL RESTRAINTS
(A) PROTEIN: 131 SEQUENTIAL (|I-J|=1), 63 SHORT RANGE (1
< |I-J| >=5), 67 LONG RANGE (|I-J|>5), AND 38 INTRARESIDUE
APPROXIMATE INTERPROTON DISTANCE RESTRAINTS; NULL 120
TORSION ANGLE RESTRAINTS (53 PHI, 13 PSI, 39 CHI1, 14
CHI2, AND 1 CHI3), 39 THREE-BOND HN-HA COUPLING CONSTANT
RESTRAINTS; NULL 75 (41 CALPHA AND 34 CBETA) 13C CHEMICAL
SHIFT RESTRAINTS; NULL 49 RESIDUAL N-H DIPOLAR COUPLING
RESTRAINTS; 20 DISTANCE RESTRAINTS FOR 10 BACKBONE
HYDROGEN BONDS.
(B) DNA: 75 INTRARESIDUE, 124 SEQUENTIAL INTRASTRAND AND
22 INTERSTRAND INTERPROTON DISTANCE RESTRAINTS; 63
DISTANCES FOR WATSON-CRICK BASE PAIR HYDROGEN BONDS; 170
TORSION ANGLE RESTRAINTS FOR THE DNA BACKBONE COVERING
VALUES CHARACTERISTIC OF BOTH A AND B DNA.
(C) 58 INTERMOLECULAR INTERPROTON DISTANCE RESTRAINTS
(D) 2 INTERMOLECULAR DISTANCE RESTRAINTS TO PHOSPHATES
(E) 8 'REPULSIVE' RESTRAINTS
(F) 4 DISTANCE RESTRAINTS FOR 2 INTERMOLECULAR H-BONDS
BETWEEN ARG 24 AND BASE OF GUA5.
THE STRUCTURE IN THIS ENTRY IS THE RESTRAINED REGULARIZED
MEAN STRUCTURE AND THE LAST NUMERIC COLUMN REPRESENTS THE
RMS OF THE 34 INDIVIDUAL SIMULATED ANNEALING STRUCTURES
FOUND IN PDB ENTRY 8GAT ABOUT THE MEAN COORDINATE
POSITIONS. THE LAST NUMERIC COLUMN IN THE INDIVIDUAL SA
STRUCTURES HAS NO MEANING.
THE FOLLOWING TWO SETS OF COORDINATES DEFINE THE PRINCIPAL
AXIS OF THE MAGNETIC SUSCEPTIBILITY TENSOR:
POINT 1 84.440-108.009-106.934
POINT 2 85.210-106.770-106.473