4TRB | pdb_00004trb

Sulfolobus solfataricus adenine phosphoribosyltransferase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1NUL	1NUL and 1VDM
experimental model	PDB	1VDM	1NUL and 1VDM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	Protein: 6.2 mg/mL, 25 mM TRIS pH 7.6, 0.1 mM EDTA, Buffer: 0.1 M MES pH 6.5, Precipitant: 30 % Jeffamine M-600

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.628	α = 90
b = 125.628	β = 90
c = 69.707	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	122	CCD	MARRESEARCH		2007-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3	0.93100	ESRF	ID14-3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.4	20	100	23.8	8.2		24914

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1NUL and 1VDM	2.4	19.721	1.34	24602	1232	99.89	0.2306	0.2278	0.2259	0.2865	0.2219

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]
-8.5025			-8.5025		17.005

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.947
f_angle_d	0.985
f_chiral_restr	0.064
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3416
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHENIX	refinement