Experiment: 2D8E

Structure of Chorismate Mutase (Form II) from Thermus Thermophilus HB8

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2D8D	PDB ENTRY 2D8D

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.2	295	PEG 4K 27.5w/w(%), MES 0.1M, NaOH, Ca Chloride 0.01M, pH 6.2, microbatch, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.79	31.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.898	α = 90
b = 71.061	β = 90
c = 49.37	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH	mirrors	2005-06-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B1	1	SPring-8	BL26B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.75	40	98.4	0.086	19.6	5.9	7950	7933			19.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.81	87.1		0.373	2.7	2.6	685

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2D8D	1.75	28.84	7933	7524	409	93.1	0.225	0.225	0.2245	0.242	0.241	RANDOM	26.7

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]
3.1			-2.91		-0.18

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	18.3
c_angle_deg	1.2
c_improper_angle_d	1.01
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	738
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
CNS	refinement
HKL-2000	data reduction
CNS	phasing