1QYY

Crystal Structure of N-Terminal Domain of Human Platelet Receptor Glycoprotein Ib-alpha at 2.8 Angstrom Resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOtherAb initio

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.6277PEG 6000, SODIUM NITRATE, SODIUM ACETATE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.5451.63

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.61α = 90
b = 113.82β = 95.21
c = 56.21γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-05-31MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL1-51.071564, 1.0079675SSRLBL1-5

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
12.75094.60.0698.771693216932
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)
12.72.8572.20.3172.21163

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADR freeAb initio2.81515294152947410.2230.2230.2190.282Random
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
c_angle_deg1.5
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4154
Nucleic Acid Atoms
Solvent Atoms56
Heterogen Atoms67

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALEPACKdata scaling
SOLVEphasing
CNSrefinement