4KN1

Human folate receptor beta (FOLR2) in complex with the antifolate aminopterin


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4KMZPDB ENTRY 4KMZ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82930.2 M Lithium sulfate, 0.1 M Tris-HCl pH 8.0, 20% (w/v) PEG 3350, Vapor diffusion, sitting drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8456.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.075α = 90
b = 97.075β = 90
c = 98.955γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDNOIR-1The NOIR-1 detector was built by E. Westbrook; 180 cm lens focused CCD2011-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 4.2.21.2802ALS4.2.2

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
12.35098.40.1555.810.612567
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)
12.32.3497.40.59810.2598

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 REPLACEMENTPDB ENTRY 4KMZ2.30148.5381.3312543100298.420.19140.18750.235936.1146
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]
-4.6381-4.63819.2762
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.469
f_angle_d0.845
f_chiral_restr0.063
f_bond_d0.004
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1648
Nucleic Acid Atoms
Solvent Atoms111
Heterogen Atoms75

Software

Software
Software NamePurpose
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
DENZOdata reduction
PHASERphasing