X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 2.6M AMMONIUM SULPHATE IN 50MM PHOSPHATE BUFFER, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31 α = 90
b = 39.18 β = 90
c = 83.52 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1996-06
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.7 -- 97.6 0.078 0.112 -- 2.5 -- 11755 -- 2.0 5.1
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)
1.7 1.8 68.0 0.202 0.305 2.0 2.5 --

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 1.7 100.0 -- 0.0 11755 11755 1090 97.6 0.201 0.19 0.182 0.2 EVERY 10TH REFLECTION
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL V1.0
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.039
t_it 4.3
t_gen_planes 0.021
t_trig_c_planes 0.021
t_incorr_chiral_ct 1.0
t_dihedral_angle_d 18.5
t_angle_deg 2.994
t_bond_d 0.019
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 732
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 81

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
AGROVATA Data Reduction (data scaling)
AMORE Structure Solution
TNT V. 5-D Structure Refinement
Software
Software Name Purpose
TNT version: 5D refinement
AMORE model building