X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 100MM SODIUM CITRATE BUFFER, PH 5.6, CONTAINING 200MM AMMONIUM ACETATE AND 26% PEG 4000. MIXED IN EQUAL VOLUME WITH AHPD (4.5 MG/ML) IN 25 MM MOPS BUFFER, PH 7.2, CONTAINING 50 MM KCL, 10% GLYCEROL, 0.1MM EDTA

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 186.38 α = 90
b = 117.28 β = 113.97
c = 88.99 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS 2001-06-15
Diffraction Radiation
Monochromator Protocol
SI 111 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.88550,0.918400,0.978900 , 0.97877 ESRF BM14

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
1.9 30 99.5 0.072 -- -- 3.7 -- 136927 -- 2.0 19.1
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)
1.9 1.97 99.3 0.42 -- 2.75 3.4 --

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 1.9 29.6 -- 2.0 -- 136435 13434 99.5 -- 0.243 0.243 0.313 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 1.9 1.97 -- 1360 12042 0.3176 0.3937 0.008 98.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.8
Anisotropic B[1][1] 2.61
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.36
Anisotropic B[2][2] -0.91
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.7
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 11.088
c_mcangle_it 11.295
c_angle_deg 1.3408
c_bond_d 0.00922
c_improper_angle_d 0.91609
c_scbond_it 11.957
c_dihedral_angle_d 18.7093
c_scangle_it 13.399
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 15327
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 847

Software

Computing
Computing Package Purpose
HKL Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS model building
CNS version: 1.0 refinement