5AHE

Crystal structure of Salmonella enterica HisA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4GJ1A MUTANT SALMONELLA ENTERICA HISA WAS USED, WHICH IN TURN HAD BEEN SOLVED USING 4GJ1 AS SEARCH MODEL.

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.5PROTEIN WAS CRYSTALLIZED IN 0.1 M HEPES PH 7.5, 0.8 M NAH2PO4 AND 0.8 M KH2PO4.
Crystal Properties
Matthews coefficientSolvent content
2.3849.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.769α = 90
b = 86.769β = 90
c = 121.53γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH CHESSPT COATED SI MIRRORS2013-04-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-2ESRFID23-2

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
11.747.251000.121.8119.1303762.8221.08
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)
11.71.751001.272.8219.1

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTA MUTANT SALMONELLA ENTERICA HISA WAS USED, WHICH IN TURN HAD BEEN SOLVED USING 4GJ1 AS SEARCH MODEL.1.747.251.3430375152099.980.17580.17420.206225.94
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.651
f_angle_d1.105
f_chiral_restr0.052
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1732
Nucleic Acid Atoms
Solvent Atoms115
Heterogen Atoms43

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing