X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Temperature 293.0
Details 0.3M sodium citrate, pH 5.6, 0.8 M sodium acetate, 5 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.27 α = 90
b = 54.54 β = 100.1
c = 42.41 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 BRANDEIS 4K -- 2001-07-28
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
0.98 30 99.1 0.057 -- -- 4.9 -- 92231 -- -- 8.59
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)
0.98 1.0 97.1 0.594 -- -- 2.2 --

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
MOLECULAR REPLACEMENT 0.98 20.0 -- 0.0 90549 92231 -- 97.3 0.135 0.135 -- 0.1678 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.7814
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.079
s_similar_adp_cmpnt 0.046
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.119
s_non_zero_chiral_vol 0.172
s_zero_chiral_vol 0.093
s_from_restr_planes 0.0278
s_similar_dist 0.0
s_angle_d 0.045
s_bond_d 0.029
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.127
Number Disordered Residues 12.0
Occupancy Sum Hydrogen 1406.0
Occupancy Sum Non Hydrogen 1732.98
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1535
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 258

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
pdb_extract version: 3.10 data extraction
SHELX refinement
AMORE molecular replacement
HKL data reduction