2JFO

Crystal structure of Enterococcus faecalis glutamate racemase in complex with D- and L-Glutamate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		PROTEIN FORMULATED AT 10 MG/ML WITH 200MM AMMONIUM ACETATE PH 7.4, 5MM D-L GLUTAMATE, 1 MM TCEP AND CRYSTALLISED WITH 0.2 MM MGCL2 AND 20-25% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.4	43.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.29	α = 90
b = 82.08	β = 90
c = 111.57	γ = 90

Symmetry
Space Group	P 21 21 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	ADSC CCD		2000-09-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9184 , 0.9786 , 0.9789 , 0.9184	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	2.5	20	95.6	0.12	4.4	4.8		18738		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	2.5	2.64	96.2		0.33	2.3	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.5	20	18738	960		0.2043	0.2567	RANDOM	38.48

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]
1.216			-1.422		0.207

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.26972
c_bond_d	0.008049
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	4040
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms	20

Software

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