X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 182.9 α = 90
b = 40.5 β = 109
c = 67.7 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 97
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH PT COATED FUSED SILICA X-RAY MIRROR 1996-12
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
1.95 40 95.0 -- 0.039 -- 5.7 -- 32813 -- -3.0 --
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)
1.95 2.02 84.0 -- 0.127 10.0 3.4 --

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 1.95 10.0 -- 0.0 32572 -- 1628 90.0 0.1881 0.184 -- 0.265 EVERY 20TH REFLECTION
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.01
s_non_zero_chiral_vol 0.089
s_approx_iso_adps 0.0
s_rigid_bond_adp_cmpnt 0.0
s_zero_chiral_vol 0.094
s_angle_d 0.021
s_similar_adp_cmpnt 0.072
s_bond_d 0.005
s_from_restr_planes 0.34
s_similar_dist 0.001
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 3173.0
Occupancy Sum Non Hydrogen 3614.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3319
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 309

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHELXL-96 model building
SHELXL-96 refinement
SHELXL-96 phasing