2BM4

The Structure of MfpA (Rv3361c, C2 Crystal form). The Pentapeptide Repeat Protein from Mycobacterium tuberculosis Folds as A Right- handed Quadrilateral Beta-helix.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherPREVIOUS STRUCTURE DETERMINED BY SE-MET MAD

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1PROTEIN WAS CRYSTALLIZED FROM 20% PEG 400, 100 MM AMMONIUM CITRATE PH 5.5
Crystal Properties
Matthews coefficientSolvent content
2.2344.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 177.18α = 90
b = 31.109β = 111.45
c = 69.601γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93IMAGE PLATEMSC RAXIS IVMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU300

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
12.23093.30.0319.82.61727023.2
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)
12.22.2885.50.135.82.2

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPREVIOUS STRUCTURE DETERMINED BY SE-MET MAD2.2301727083493.30.1990.1990.264RANDOM26.6
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]
-0.7141.92-4.0064.719
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.95
c_bond_d0.02
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.95
c_bond_d0.02
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2761
Nucleic Acid Atoms
Solvent Atoms97
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing