X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.9
Details 25-30% PEG 8000 0.1M MES PH 5.9, 0.2M MAGNESIUM ACETATE, T=277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.81 α = 90
b = 64.53 β = 90
c = 151.87 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 MARRESEARCH PLATINUM COATED FUSED QUARTZ MIRROR 1999
Diffraction Radiation
Monochromator Protocol
SI(111) BENT TRIANGULAR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.25 19.92 94.6 -- 0.063 -- 2.4 -- 163543 -- -- --
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)
1.25 1.34 86.4 -- 0.331 1.6 1.7 --

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 1.25 19.92 -- -- -- 155271 8216 94.6 -- 0.158 0.157 0.173 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.25 1.28 -- 548 10111 0.284 0.285 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.064
r_scbond_it 1.895
r_mcangle_it 1.217
r_mcbond_it 0.693
r_nbd_refined 0.231
r_gen_planes_other 0.001
r_gen_planes_refined 0.006
r_chiral_restr 0.106
r_dihedral_angle_3_deg 1.168
r_angle_other_deg 1.467
r_bond_other_d 0.001
r_bond_refined_d 0.012
r_nbd_other 0.18
r_nbtor_other 0.339
r_xyhbond_nbd_refined 0.197
r_symmetry_vdw_refined 0.277
r_symmetry_vdw_other 0.217
r_symmetry_hbond_refined 0.366
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4217
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 1015

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0.36 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0.36 refinement
AMORE model building