2IT4

X ray structure of the complex between Carbonic Anhydrase I and the phosphonate antiviral drug foscarnet


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2FW4 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP9295100mM Tris.HCl buffer pH 9.0, 25% (w/v) PEG 4000, LiCl4 0.4 M, 10% ethylene glycol , VAPOR DIFFUSION, HANGING DROP, temperature 22K
Crystal Properties
Matthews coefficientSolvent content
2.346.62

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.58α = 90
b = 69.51β = 90
c = 120.44γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD SAPPHIRE CCD2006-09-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION ENHANCE ULTRA1.5418

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
122097.10.1278.35.9211265360202
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.072.033.83602

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2FW42203418217850.2490.2460.316random
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
r_angle_refined_deg1.53
r_bond_refined_d0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4032
Nucleic Acid Atoms
Solvent Atoms344
Heterogen Atoms9

Software

Software
Software NamePurpose
CrysalisProdata collection
AMoREphasing
REFMACrefinement
CrysalisProdata reduction
SCALAdata scaling