X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details HANGING DROP VAPOUR DIFFUSION AT 20 DEG C: 10 MG/ML PROTEIN IN 10 MM TRIS PH 7.5 + 2 MM CACL2; 0.1 M HEPES PH 7.5, 0.15 M NA-ACETATE, 15% PEG4K, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.77 α = 90
b = 56.35 β = 104.38
c = 111.6 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
IMAGE PLATE MARRESEARCH -- 1996-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 -- -- --

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
3.1 25 90.7 0.086 -- -- 3.3 -- 14328 -- 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)
3.1 3.21 85.1 0.267 -- 2.7 2.3 --

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 AND 2-FOLD NCS AVERAGING 3.1 8.0 -- 0.0 -- 13378 678 90.4 -- 0.262 0.262 0.322 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 3.1 3.23 -- 83 1485 0.386 0.534 -- 85.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED INDIVIDUAL WIT NCS RESTRAINTS
Mean Isotropic B 28.0
RMS Deviations
Key Refinement Restraint Deviation
x_mcbond_it 1.5
x_scangle_it 2.5
x_scbond_it 1.5
x_angle_deg 1.8
x_bond_d 0.007
x_mcangle_it 2.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.4
Luzzati Resolution Cutoff (Low) 8.0
Luzzati ESD (R-Free Set) 0.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3794
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 0

Software

Software
Software Name Purpose
MOSFLM data reduction
CCP4 data reduction version: PROGRAMS SCALA
AGROVATA data reduction
TRUNCATE data reduction
MAMA model building
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
CCP4 data scaling version: (AGROVATA
TRUNCATE data scaling
SCALA data scaling
MAMA phasing
X-PLOR phasing version: 3.1