X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.9
Temperature 277.0
Details 0.2M K2NO3, 20.0% PEG-3350, No Buffer pH 6.9 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.61 α = 90
b = 84.38 β = 90
c = 113.48 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
CCD MARMOSAIC 325 mm CCD -- 2005-07-03
Diffraction Radiation
Monochromator Protocol
double crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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 50 99.8 0.063 -- -- 3.7 -- 68629 -- -- --
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 1.63 -- 0.591 -- -- 3.6 --

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
MR 1.6 29.02 -- -- -- 65054 3503 99.8 0.152 -- 0.15 0.179 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 1.6 1.642 -- 280 4767 0.248 0.282 -- 99.88
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.31
Anisotropic B[1][1] 0.28
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.68
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.4
RMS Deviations
Key Refinement Restraint Deviation
r_bond_other_d 0.001
r_gen_planes_refined 0.007
r_gen_planes_other 0.001
r_mcbond_other 0.54
r_angle_refined_deg 1.498
r_chiral_restr 0.095
r_dihedral_angle_1_deg 4.782
r_bond_refined_d 0.015
r_angle_other_deg 0.874
r_nbtor_refined 0.189
r_dihedral_angle_2_deg 30.916
r_dihedral_angle_4_deg 17.208
r_xyhbond_nbd_refined 0.155
r_scbond_it 4.497
r_symmetry_vdw_other 0.251
r_scangle_it 6.381
r_nbd_refined 0.233
r_nbd_other 0.182
r_mcbond_it 1.939
r_mcangle_it 2.823
r_dihedral_angle_3_deg 11.839
r_symmetry_hbond_refined 0.14
r_nbtor_other 0.081
r_symmetry_vdw_refined 0.151
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3735
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 549

Software

Software
Software Name Purpose
SCALEPACK data scaling
PDB_EXTRACT data extraction version: 1.601
HKL-2000 data reduction
PHASER phasing
REFMAC refinement version: 5.2.0005