X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 294.0
Details 3.1-3.2 M AMMONIUM SULFATE, 0.05 M N-MORPHOLINO PROPANESULFONIC ACID TITRATED TO PH 7 WITH SODIUM HYDROXIDE, 2.5% ETHANOL., VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 23.26 α = 90
b = 60.44 β = 90.99
c = 23.59 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4r PARABOLIC COLLIMATING MIR 2002-02-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
0.92 23.6 82.3 0.037 -- -- 7.1 35664 35664 0.0 -3.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
0.92 0.96 31.7 0.304 -- 3.8 3.7 1368

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
SE-MET MAD 0.92 23.59 -3.0 0.0 35633 33317 1812 79.2 -- 0.138 0.137 0.1898 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 0.92 1.0 3637 -- -- 0.19 -- -- --
X Ray Diffraction 1.0 1.05 3548 -- -- 0.141 -- -- --
X Ray Diffraction 1.05 1.1 3616 -- -- 0.124 -- -- --
X Ray Diffraction 1.1 1.16 3470 -- -- 0.115 -- -- --
X Ray Diffraction 1.16 1.23 3537 -- -- 0.11 -- -- --
X Ray Diffraction 1.23 1.33 3575 -- -- 0.108 -- -- --
X Ray Diffraction 1.33 1.47 3557 -- -- 0.11 -- -- --
X Ray Diffraction 1.47 1.69 3585 -- -- 0.113 -- -- --
X Ray Diffraction 1.69 2.12 3513 -- -- 0.124 -- -- --
X Ray Diffraction 2.12 30.0 3595 -- -- 0.17 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.075
s_similar_adp_cmpnt 0.052
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.076
s_non_zero_chiral_vol 0.108
s_zero_chiral_vol 0.083
s_from_restr_planes 0.024
s_similar_dist 0.014
s_angle_d 0.038
s_bond_d 0.017
Coordinate Error
Parameter Value
Number Disordered Residues 13.0
Occupancy Sum Hydrogen 620.82
Occupancy Sum Non Hydrogen 727.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 603
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 93

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXD, MLPHARE, DM, ARP/WARP Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
ARP/WARP model building
DM model building
MLPHARE model building
SHELXD model building
SCALEPACK data reduction
DENZO data collection