3CWM | pdb_00003cwm

Crystal structure of alpha-1-antitrypsin complexed with citrate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.429527% PEG 4000, 0.2M Sodium Acetate, 100mM Tris-HCl, pH 8.4, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.4149.01

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 39.183α = 90
b = 52.539β = 90
c = 207.533γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2004-11-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.54179

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
12.52095.20.0714.34.314909
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)
12.52.5973.10.3793.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.5119.31485974196.80.220.2170.2090.2710.2565RANDOM13.02
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]
0.01-0.750.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.763
r_dihedral_angle_3_deg17.601
r_dihedral_angle_4_deg17.134
r_dihedral_angle_1_deg6.023
r_scangle_it1.866
r_angle_refined_deg1.345
r_scbond_it1.171
r_mcangle_it0.91
r_mcbond_it0.507
r_nbtor_refined0.303
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2937
Nucleic Acid Atoms
Solvent Atoms80
Heterogen Atoms13

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
AMoREphasing