1G2V

THE STRUCTURAL BASIS OF THE CATALYTIC MECHANISM AND REGULATION OF GLUCOSE-1-PHOSPHATE THYMIDYLYLTRANSFERASE (RMLA). TTP COMPLEX.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1G1L 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP42925% (w/v) PEG 6000, 0.1 M Na-citrate pH 4.0; protein incubated with 10 mM dTTP, pH 4.00, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.5344.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.017α = 90
b = 134.361β = 98.22
c = 140.901γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS2000-07-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU

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
12.65091.50.077.44.1755742.9
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)
2.62.7460.10.1544.63

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 DIFFRACTIONTHROUGHOUT1G1L2.610071748379791.40.2170.2150.242RANDOM13.16
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]
-1.30.08-0.031.36
RMS Deviations
KeyRefinement Restraint Deviation
p_scangle_it4.963
p_scbond_it3.013
p_mcangle_it1.589
p_mcbond_it0.764
p_chiral_restr0.12
p_bond_d0.028
p_plane_restr0.009
p_angle_d
p_angle_deg
p_planar_d
RMS Deviations
KeyRefinement Restraint Deviation
p_scangle_it4.963
p_scbond_it3.013
p_mcangle_it1.589
p_mcbond_it0.764
p_chiral_restr0.12
p_bond_d0.028
p_plane_restr0.009
p_angle_d
p_angle_deg
p_planar_d
p_hb_or_metal_coord
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms18280
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms464

Software

Software
Software NamePurpose
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling