3CEX

Crystal structure of the conserved protein of locus EF_3021 from Enterococcus faecalis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	1M Trisodium citrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.191	α = 90
b = 55.137	β = 108.2
c = 62.429	γ = 90

Symmetry
Space Group	P 1 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 QUANTUM 315		2007-06-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9793	APS	19-ID

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	35.9	98.91	0.107	6.6	6.9	23947	23947		-3	23.4

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	2.05	89.32		0.41	2.4	5	1506

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2	35.9	22725	22725	1222	98.91	0.164	0.164	0.162	0.205	RANDOM	27.35

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]
0.02		0.04	1.84		-1.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.654
r_dihedral_angle_4_deg	18.463
r_dihedral_angle_3_deg	14.583
r_dihedral_angle_1_deg	4.881
r_scangle_it	3.679
r_scbond_it	2.457
r_mcangle_it	1.436
r_angle_refined_deg	1.373
r_mcbond_it	1.219
r_angle_other_deg	0.956
r_symmetry_vdw_other	0.341
r_mcbond_other	0.232
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.193
r_nbd_other	0.186
r_symmetry_hbond_refined	0.184
r_nbtor_refined	0.172
r_xyhbond_nbd_refined	0.137
r_nbtor_other	0.088
r_chiral_restr	0.077
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2722
Nucleic Acid Atoms
Solvent Atoms	188
Heterogen Atoms	20

Software

Software
Software Name	Purpose
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
DENZO	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building