2JFU

Crystal structure of Enterococcus faecium glutamate racemase in complex with phosphate

X-RAY DIFFRACTION

---

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				PROTEIN FORMULATED AT 10 MG/ML WITH 200MM AMMONIUM ACETATE PH 7.4, 5MM D-L GLUTAMATE, 1 MM TCEP AND CRYSTALLISED WITH 100 MM SODIUM CITRATE PH 5.6, 0.6-0.8M AMMONIUM SULPHATE AND 30% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
3.3	63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.96	α = 90
b = 85.96	β = 90
c = 92.3	γ = 120

Symmetry
Space Group	P 31 2 1

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	ADSC CCD		2002-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.8	34	99.7	0.08	6.2	19.9		36792		2

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	1.8	1.9	98.6		0.34	2.2	12.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2JFO	1.8	34	36792	3431		0.1927	0.2092	RANDOM	22.7

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]
-1.859	-1.726		-1.859		3.718

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.2932
c_bond_d	0.004885
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2069
Nucleic Acid Atoms
Solvent Atoms	249
Heterogen Atoms	10

Software

Software
Software Name	Purpose
CNX	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing