X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 277.0
Details PEG 6000, ammonium citrate, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.02 α = 75.71
b = 47.13 β = 67.48
c = 47.37 γ = 76.75
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2001-06-30
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 0.9000 APS 19-BM

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
1.1 50 92.6 0.041 -- -- 3.63 115145 115145 0.0 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)
1.1 1.61 81.5 0.0921 -- 11.75 3.13 --

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 1.1 10.0 -- 0.0 115144 115144 6391 92.7 0.0996 0.0996 0.0988 0.1248 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.4
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.095
s_similar_adp_cmpnt 0.043
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.043
s_non_zero_chiral_vol 0.101
s_zero_chiral_vol 0.095
s_from_restr_planes 0.0276
s_similar_dist 0.0
s_angle_d 0.032
s_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.035
Number Disordered Residues 95.0
Occupancy Sum Hydrogen 2390.21
Occupancy Sum Non Hydrogen 2967.93
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2525
Nucleic Acid Atoms 0
Heterogen Atoms 76
Solvent Atoms 429

Software

Computing
Computing Package Purpose
HKL Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building
SCALEPACK data reduction
HKL data collection