X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 30% PEG 3350, 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM CACODYLATE PH 6.5, NADP TO ADDED TO A FINAL CONCENTRATION OF 2.5 MM

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40 α = 90
b = 49.2 β = 90
c = 106.6 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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
1.15 29.7 99.9 0.042 -- -- 5.7 -- 75534 -- 0.0 --
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)
1.15 1.21 100.0 0.188 -- -- -- --

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
SIRAS 1.15 20.0 -- 0.0 75463 -- 4438 99.9 0.125 0.124 -- 0.158 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.078
s_similar_adp_cmpnt 0.029
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.022
s_non_zero_chiral_vol 0.089
s_zero_chiral_vol 0.08
s_from_restr_planes 0.0294
s_similar_dist 0.0
s_angle_d 0.032
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 14.0
Occupancy Sum Hydrogen 1492.88
Occupancy Sum Non Hydrogen 1933.88
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1544
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 359

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHARP model building