X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.32 α = 90
b = 51.98 β = 110.12
c = 41.49 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR 1997-08-20
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9686, 0.9788, 0.9792, 0.9870 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
1.5 20 95.8 0.05 -- -- 5.65 -- 23352 -- -0.5 --
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)
1.5 1.53 89.9 0.34 -- 3.06 3.81 --

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 1.5 20.0 -- 0.0 22277 -- -- 95.8 -- 0.1818 -- -- RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.024
s_from_restr_planes 0.027
s_similar_adp_cmpnt 0.064
s_non_zero_chiral_vol 0.05
s_zero_chiral_vol 0.047
s_similar_dist 0.0
s_bond_d 0.008
s_approx_iso_adps 0.0
s_anti_bump_dis_restr 0.011
s_rigid_bond_adp_cmpnt 0.0
Coordinate Error
Parameter Value
Number Disordered Residues 8.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1503.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1319
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 236

Software

Software
Software Name Purpose
PHASES phasing
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling