2PER

Crystal Structure of Human Chloride Intracellular Channel protein 2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2AHEPDB ENTRY 2AHE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.928935% PEG 400, 0.1M ammonium acetate, 0.1M Bis-Tris, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.1141.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.05α = 90
b = 75.927β = 90
c = 80.477γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2007-01-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBSRF BEAMLINE 3W1A0.9795BSRF3W1A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
125099.30.06810.15.118852187611141.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.0799.70.413.34.81823

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2AHE2201869096799.280.2180.2160.258RANDOM30.581
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-1.840.311.53
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.057
r_dihedral_angle_3_deg15.641
r_dihedral_angle_4_deg14.858
r_dihedral_angle_1_deg6.357
r_scangle_it4.42
r_scbond_it3.115
r_mcangle_it1.878
r_angle_refined_deg1.72
r_mcbond_it1.28
r_nbtor_refined0.311
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.057
r_dihedral_angle_3_deg15.641
r_dihedral_angle_4_deg14.858
r_dihedral_angle_1_deg6.357
r_scangle_it4.42
r_scbond_it3.115
r_mcangle_it1.878
r_angle_refined_deg1.72
r_mcbond_it1.28
r_nbtor_refined0.311
r_nbd_refined0.224
r_xyhbond_nbd_refined0.19
r_symmetry_vdw_refined0.188
r_chiral_restr0.134
r_symmetry_hbond_refined0.076
r_bond_refined_d0.019
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1762
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms13

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
AUTOMARdata collection
HKL-2000data reduction