1C9K

THE THREE DIMENSIONAL STRUCTURE OF ADENOSYLCOBINAMIDE KINASE/ ADENOSYLCOBINAMIDE PHOSPHATE GUALYLYLTRANSFERASE (COBU) COMPLEXED WITH GMP: EVIDENCE FOR A SUBSTRATE INDUCED TRANSFERASE ACTIVE SITE


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 9
Temperature 4.0
Details 16% PEG 4000 100 MM CACL2 50 MM CHES, pH 9.0, BATCH

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.38 α = 90
b = 87.77 β = 90
c = 101.64 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 133
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 1 -- 1998-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D -- APS 14-BM-D

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
2.2 30 97.3 0.053 -- -- 5.6 27168 26435 1.5 1.5 41.9
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)
2.2 2.28 94.9 0.227 -- -- 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
-- 2.2 30.0 1.5 1.5 27168 26435 -- 97.3 -- 0.191 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_angle_deg 2.32
t_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3829
Nucleic Acid Atoms 0
Heterogen Atoms 88
Solvent Atoms 336

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
AMORE model building