X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details pH 4.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 23.64 α = 90
b = 56.31 β = 90
c = 94.03 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
IMAGE PLATE MAR scanner 345 mm plate MIRRORS 1998-05
Diffraction Radiation
Monochromator Protocol
SI CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.6 20 99.8 0.043 0.056 -- 4.3 -- 17338 -- -- --
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)
1.6 1.66 100.0 0.196 0.25 7.5 4.2 --

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 1.6 20.0 -- 0.0 16956 -- 1696 99.8 0.175 0.1673 -- 0.2406 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.008
s_zero_chiral_vol 0.048
s_angle_d 0.024
s_similar_dist 0.0
s_rigid_bond_adp_cmpnt 0.0
s_approx_iso_adps 0.0
s_from_restr_planes 0.03
s_anti_bump_dis_restr 0.01
s_similar_adp_cmpnt 0.072
s_non_zero_chiral_vol 0.06
Coordinate Error
Parameter Value
Number Disordered Residues 2.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1358.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1094
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 223

Software

Software
Software Name Purpose
HKL-2000 data collection
HKL-2000 data reduction
AMoRE phasing
SHELX-97 refinement
HKL-2000 data scaling