X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 277.0
Details ammonium acetate, sodium citrate, mmPEG5K, PLP, phosphate, DTT, phosphonoacetaldehyde, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.6 α = 90
b = 155.3 β = 90.6
c = 168.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-03-05
CCD BRANDEIS - B4 -- 1999-08-23
CCD MARRESEARCH -- 1999-03-04
Diffraction Radiation
Monochromator Protocol
cryogenically cooled Si(111) crystal system. SINGLE WAVELENGTH
Toroidal mirror MAD
cryogenically cooled Si(111) crystal system. MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.00 APS 17-ID
SYNCHROTRON NSLS BEAMLINE X12C 0.9787, 0.9791, 0.95 NSLS X12C
SYNCHROTRON APS BEAMLINE 17-ID 0.9790, 0.9791, 0.95 APS 17-ID

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
2.15 19.92 96.8 0.037 -- -- -- 264452 264452 0.0 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)
2.15 2.23 83.0 0.152 -- -- -- --

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 2.2 20.0 -- 2.0 128378 127266 12668 98.6 0.171 0.17 0.166 0.2 random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16692
Nucleic Acid Atoms 0
Heterogen Atoms 118
Solvent Atoms 3034

Software

Computing
Computing Package Purpose
DENZO, MADNES Data Reduction (intensity integration)
CCP4 (TRUNCATE), CAD, XPREP Data Reduction (data scaling)
AMORE, SHELXD, MLPHARE, DM, ARP/WARP Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
arp/warp model building
dm model building
MLPHARE model building
Shelxd model building
Amore model building
xprep data reduction
cad data reduction
truncate data reduction
MADNES data collection
DENZO data collection