1L5W

Crystal Structure of the Maltodextrin Phosphorylase Complexed with the Products of the Enzymatic Reaction between Glucose-1-phosphate and Maltotetraose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1L5V 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5291PEG 4000, TRIS, Lithium Chloride, Glucose-1-phosphate., pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.3448

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.508α = 90
b = 105.236β = 90
c = 217.361γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2001-03-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2R1.2ELETTRA5.2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.817850.18117.813484513484521.633
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.973.60.6125.216882

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1L5V1.8201347641279826782850.187340.187340.185790.21624RANDOM24.262
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]
0.13-0.880.75
RMS Deviations
KeyRefinement Restraint Deviation
p_scangle_it5.423
p_scbond_it3.196
p_mcangle_it1.966
p_angle_deg1.723
p_mcbond_it1.04
p_chiral_restr0.13
p_bond_d0.018
p_plane_restr0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12780
Nucleic Acid Atoms
Solvent Atoms1085
Heterogen Atoms130

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHASESphasing
REFMACrefinement
CCP4data scaling