1PWT

THERMODYNAMIC ANALYSIS OF ALPHA-SPECTRIN SH3 AND TWO OF ITS CIRCULAR PERMUTANTS WITH DIFFERENT LOOP LENGTHS: DISCERNING THE REASONS FOR RAPID FOLDING IN PROTEINS


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details pH 4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33 α = 90
b = 42.4 β = 90
c = 49.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 180 mm plate -- --
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- CONVENTIONAL Cu -- -- --

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
1.77 15 99.8 0.05 -- -- 6.1 -- 7163 -- -- 18.9
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)
1.77 1.8 96.8 0.2 -- 5.9 -- --

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 1.77 14.5 -- 0.0 -- 7159 335 99.8 -- 0.189 0.187 0.246 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.9
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 2.094
p_xyhbond_nbd 0.217
p_multtor_nbd 0.263
p_chiral_restr 0.094
p_special_tor 15.0
p_singtor_nbd 0.195
p_planar_tor 3.7
p_bond_d 0.011
p_scangle_it 2.375
p_transverse_tor 48.6
p_plane_restr 0.02
p_planar_d 0.028
p_staggered_tor 15.0
p_scbond_it 1.569
p_angle_d 0.029
p_mcbond_it 1.223
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 504
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 88

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling