X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.15
Details PEG 4000, tris HCl, lithium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.05 α = 90
b = 103.91 β = 90
c = 28.27 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 1999-10-02
Diffraction Radiation
Monochromator Protocol
SI CRYSTAL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.35 30 96.7 0.031 -- -- 4.2 28662 28662 0.0 0.0 10.0
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)
1.35 1.4 90.1 0.204 -- 6.5 2.3 --

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
MAD 1.35 30.0 0.0 0.0 28662 28662 3193 86.1 0.1609 0.1609 0.1636 0.2367 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.06
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.04
s_non_zero_chiral_vol 0.06
s_zero_chiral_vol 0.06
s_from_restr_planes 0.029
s_similar_dist 0.0
s_angle_d 0.03
s_bond_d 0.01
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 1292.0
Occupancy Sum Non Hydrogen 1411.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1180
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 194

Software

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