X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details pH 4.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.25 α = 90
b = 73.28 β = 105.07
c = 63.1 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 ADSC QUANTUM 4 -- 1999-04-23
Diffraction Radiation
Monochromator Protocol
CRYSTALS SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
0.95 46.8 94.3 0.058 -- -- 3.9 -- 266037 -- -- --
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)
0.95 0.97 89.3 0.57 -- 1.49 3.09 --

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
AB INITIO PHASING 0.95 46.9 -- 0.0 265994 265994 60231 94.3 0.1141 -- 0.1134 0.1358 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.083
s_similar_adp_cmpnt 0.039
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.042
s_non_zero_chiral_vol 0.102
s_zero_chiral_vol 0.094
s_from_restr_planes 0.034
s_similar_dist 0.0
s_angle_d 0.03
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 98.0
Occupancy Sum Hydrogen 3708.35
Occupancy Sum Non Hydrogen 4437.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3823
Nucleic Acid Atoms 0
Heterogen Atoms 86
Solvent Atoms 699

Software

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