2PNJ

Crystal structure of human ferrochelatase mutant with Phe 337 replaced by Ala


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH6.5291MICROBATCH UNDER OIL (70:30 PARAFFIN/SILICONE OIL MIXTURE) METHO USING 2 microliter DROPS CONTAINING EQUAL VOLUMES OF PROTEIN SOLUTION (64 MG/ML IN 50 MM TRIS MOPS, 0.1M KCL, 1% NA-CHOLATE, 250 MM IMIDAZOLE, PH 8.1) AND PRECIPITANT SOLUTION (0.2 M SODIUM ACETAT TRI HYDRATE, 0.1 M SODIUM CACODYLATE, PH 6.5 IN 30%W/V POLYETHYL GLYCOL 8000 (HAMPTON CRYSTAL SCREEN I-28, HAMPTON RESEARCH), pH 6.50, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.8156.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.686α = 90
b = 94.052β = 90
c = 113.276γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDROSENBAUM2005-11-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.00APS22-BM

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
125090.10.05725.2317.558933
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)
122.0798.20.2423.3910

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDIFFERENCE FOURIERTHROUGHOUT1HRK2.3543.443672236722194496.360.194730.194730.191680.25332RANDOM25.034
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]
-0.020.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.657
r_dihedral_angle_4_deg18.854
r_dihedral_angle_3_deg16.35
r_dihedral_angle_1_deg11.82
r_scangle_it3.383
r_scbond_it2.26
r_angle_refined_deg1.82
r_mcangle_it1.392
r_mcbond_it0.865
r_nbtor_refined0.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.657
r_dihedral_angle_4_deg18.854
r_dihedral_angle_3_deg16.35
r_dihedral_angle_1_deg11.82
r_scangle_it3.383
r_scbond_it2.26
r_angle_refined_deg1.82
r_mcangle_it1.392
r_mcbond_it0.865
r_nbtor_refined0.31
r_nbd_refined0.223
r_xyhbond_nbd_refined0.194
r_symmetry_vdw_refined0.19
r_chiral_restr0.108
r_symmetry_hbond_refined0.093
r_bond_refined_d0.016
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5642
Nucleic Acid Atoms
Solvent Atoms342
Heterogen Atoms182

Software

Software
Software NamePurpose
SERGUIdata collection
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling