2QQM | pdb_00002qqm

Crystal Structure of the a2b1b2 Domains from Human Neuropilin-1


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2QQI2QQI (b1b2 domains), 2QQK (a2 domain)
experimental modelPDB 2QQK2QQI (b1b2 domains), 2QQK (a2 domain)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52970.1 M MES, 12% PEG 20000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
2.3347.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.177α = 90
b = 68.178β = 102.1
c = 66.613γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2006-12-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-10.979SSRLBL11-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
125097.50.08613.83.53090130.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0788.70.3223.232794

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 REPLACEMENTTHROUGHOUT2QQI (b1b2 domains), 2QQK (a2 domain)22029213155897.550.1860.1830.190.2430.25RANDOM36.27
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]
-2.382.16-1.224.51
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.335
r_dihedral_angle_4_deg18.699
r_dihedral_angle_3_deg13.546
r_dihedral_angle_1_deg6.631
r_mcangle_it4.666
r_scangle_it4.572
r_mcbond_it3.511
r_scbond_it3.314
r_angle_refined_deg1.455
r_angle_other_deg0.843
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3456
Nucleic Acid Atoms
Solvent Atoms194
Heterogen Atoms101

Software

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