X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details BT3792 AT A 20 MG PER ML BUFFERED IN IN 25 MM TRIS-HCL (PH 8.0), 500 MM NACL, 2 MM DTT WITH A RESERVOIR SOLUTION CONSISTING OF 5% GLYCEROL (V/V), 24% (W PER V) POLYETHYLENE GLYCOL 2,000 MONOMETHYL ETHER, 0.25 M SODIUM ACETATE, AND BIS-TRIS-HCL (PH 5.5)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.1 α = 90
b = 44.42 β = 101.43
c = 103.05 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MX-300HE COLLIMATING MIRROR WITH TWO STRIPES (SI, RH AND PT) , TOROIDAL FOCUSING MIRROR (RH AND PT) 2012-09-14
Diffraction Radiation
Monochromator Protocol
KOHZU DOUBLE CRYSTAL MONOCHROMATOR (DCM), FEATURING INDIRECTLY WATER- COOLED FIRST CRYSTAL AND FLAT, LONG SECOND CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CLSI BEAMLINE 08ID-1 -- CLSI 08ID-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
2.1 48 99.9 0.11 -- -- 4.2 -- 52497 -- 0.0 --
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)
2.1 2.21 99.9 0.48 -- 3.3 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 2.1 48.03 -- -- -- 49817 2674 99.83 -- 0.2156 0.21359 0.25264 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 2.1 2.154 -- 167 3666 0.234 0.295 -- 99.66
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.111
Anisotropic B[1][1] 12.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -21.1
Anisotropic B[2][2] -13.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.26
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.014
r_mcbond_it 2.425
r_dihedral_angle_4_deg 19.648
r_angle_refined_deg 1.597
r_dihedral_angle_3_deg 15.706
r_dihedral_angle_2_deg 37.243
r_dihedral_angle_1_deg 7.162
r_scbond_it 3.071
r_chiral_restr 0.117
r_mcangle_it 3.252
r_gen_planes_refined 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6078
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 287

Software

Software
Software Name Purpose
REFMAC refinement version: 5.7.0032
AUTOPROCESS data reduction
SCALA data scaling
PHASER phasing