2QQO | pdb_00002qqo

Crystal Structure of the a2b1b2 Domains from Human Neuropilin-2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2QQJ2QQJ (b1b2 domains), 2QQK (a2 domain)
experimental modelPDB 2QQK2QQJ (b1b2 domains), 2QQK (a2 domain)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52970.1 M Hepes, 10% PEG 8000, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
3.0860.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.093α = 90
b = 192.909β = 90.08
c = 66.169γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102007-02-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.11.00ALS5.0.1

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
12.35094.50.056144.252659
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)
12.32.3885.60.3443.74.14766

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 REPLACEMENTTHROUGHOUT2QQJ (b1b2 domains), 2QQK (a2 domain)2.32049667267994.470.1880.1850.190.2390.24RANDOM31.764
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]
0.270.020.08-0.35
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.285
r_dihedral_angle_4_deg19.607
r_dihedral_angle_3_deg14.393
r_dihedral_angle_1_deg7.149
r_scangle_it4.605
r_mcangle_it4.345
r_scbond_it3.348
r_mcbond_it3.108
r_angle_refined_deg1.44
r_angle_other_deg0.897
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6813
Nucleic Acid Atoms
Solvent Atoms365
Heterogen Atoms34

Software

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