2C9S

1.24 Angstroms resolution structure of Zn-Zn Human Superoxide dismutase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HL5PDB ENTRY 1HL5

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.752.5M AMMONIUM SULPHATE,0.1M NACL,50MM ACETATE BUFFER, pH 4.75
Crystal Properties
Matthews coefficientSolvent content
239

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 38.243α = 90
b = 67.742β = 106.44
c = 51.26γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMIRRORS2003-06-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

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
11.2430960.06183.267983
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)
11.241.2878.40.372.32.2

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1HL51.2419.965893206195.90.1540.1520.160.1940.2RANDOM10.82
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]
-0.860.030.070.81
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.256
r_dihedral_angle_3_deg14.8
r_dihedral_angle_1_deg13.34
r_dihedral_angle_4_deg9.233
r_scangle_it4.468
r_scbond_it3.501
r_mcangle_it2.619
r_angle_other_deg2.248
r_mcbond_it2.18
r_angle_refined_deg2.105
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2222
Nucleic Acid Atoms
Solvent Atoms507
Heterogen Atoms48

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing