X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Details HANGING DROP, RESERVOIR: 23% PEG2000, 180MM AM2SO4, 3.5% DIOXANE 100 MM SODIUM ACETATE, PH 4.6. DROP: 1:1 RATIO OF HIRUSTASIN:KALLIKREIN IN 20MM TRIS-HCL, PH 8.0, pH 5.0, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 116.9 α = 90
b = 86 β = 90
c = 69.4 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGEPLATE MARRESEARCH -- 1995-11
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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
2.4 25 97.9 -- 0.126 -- 3.5 -- 27511 -- -- --
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)
2.4 2.45 98.6 -- 0.474 2.3 3.1 --

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 2.4 8.0 -- -- -- 26769 2678 97.9 -- 0.205 0.205 0.311 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.2
Anisotropic B[1][1] -6.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.42
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.07
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.5
x_scbond_it 2.0
x_mcangle_it 2.0
x_mcbond_it 1.5
x_improper_angle_d 1.379
x_bond_d 0.011
x_angle_deg 1.719
x_dihedral_angle_d 26.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4280
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 304

Software

Computing
Computing Package Purpose
MARXDS Data Reduction (intensity integration)
MARSCALE Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
AMORE model building
MARSCALE data reduction
MARXDS data collection