1BD0

ALANINE RACEMASE COMPLEXED WITH ALANINE PHOSPHONATE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1SFTPDB ENTRY 1SFT

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.5PROTEIN WAS CRYSTALLIZED FROM 100MM TRIS BUFFER, PH 8.5, 200MM SODIUM ACETATE, 21% PEG 4000, AND 4MM 1-AMINOETHYL PHOSPHONIC ACID.
Crystal Properties
Matthews coefficientSolvent content
2.1241.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 98.227α = 90
b = 87.69β = 90
c = 85.305γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDBRANDEISMIRROR1996-10-30M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12CNSLSX12C

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
11.62596.70.0780.07812.15.297731
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.61.6693.70.82.2

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1SFT1.610827632505850.240.240.266RANDOM
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_d26.3
x_angle_deg1.24
x_improper_angle_d0.752
x_bond_d0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.3
x_angle_deg1.24
x_improper_angle_d0.752
x_bond_d0.01
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
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6043
Nucleic Acid Atoms
Solvent Atoms387
Heterogen Atoms44

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing