1AXM

HEPARIN-LINKED BIOLOGICALLY-ACTIVE DIMER OF FIBROBLAST GROWTH FACTOR


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1AFCPDB ENTRIES 1AFC, 1HPN
experimental modelPDB 1HPNPDB ENTRIES 1AFC, 1HPN

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17PROTEIN/HEPARIN COMPLEX WAS CRYSTALLIZED FROM 25% PEG 8000, 200 MM MGSO4, 100 MM HEPES, PH 7.0; CRYSTAL WAS SOAKED IN 22% XYLITOL PRIOR TO DATA COLLECTION.
Crystal Properties
Matthews coefficientSolvent content
3.464

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.69α = 90
b = 158.05β = 90
c = 190.58γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110IMAGE PLATEFUJIBENT MIRROR1995-02-04M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4ANSLSX4A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
133094.10.0950.0955.23.9251152
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.0886.90.3370.3372.22.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUTPDB ENTRIES 1AFC, 1HPN314223540207788.60.2170.2170.304RANDOM37.6
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.7
x_scangle_it2.5
x_mcangle_it2
x_scbond_it2
x_angle_deg1.6
x_mcbond_it1.5
x_improper_angle_d1.4
x_bond_d0.014
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.7
x_scangle_it2.5
x_mcangle_it2
x_scbond_it2
x_angle_deg1.6
x_mcbond_it1.5
x_improper_angle_d1.4
x_bond_d0.014
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6125
Nucleic Acid Atoms
Solvent Atoms71
Heterogen Atoms267

Software

Software
Software NamePurpose
MADSYSphasing
X-PLORrefinement
DENZOdata reduction
CCP4data scaling
ROTAVATAdata scaling