2AWD

Crystal structure of LacC from Enterococcus faecalis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	1.4M NaCitrate, .1M Tris pH 8.5, cryo-Xylitol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.209	α = 90
b = 62.236	β = 99.28
c = 91.972	γ = 90

Symmetry
Space Group	P 1 21 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 4		2005-06-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	.979	NSLS	X4A

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	20	99.5	0.074	9.9	3.3	48795	48795	-3

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)
	2	2.07	98.7		0.264	2.36	2.9	4808

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	20	-3	48793	48793	2469	99.42	0.19612	0.19612	0.19342	0.24617	RANDOM	32.111

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]
-0.97		-0.24	2.24		-1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.016
r_dihedral_angle_4_deg	20.046
r_dihedral_angle_3_deg	15.297
r_dihedral_angle_1_deg	6.707
r_scangle_it	3.487
r_scbond_it	2.372
r_mcangle_it	1.619
r_angle_refined_deg	1.432
r_mcbond_it	1.385
r_angle_other_deg	0.798
r_symmetry_vdw_other	0.226
r_mcbond_other	0.22
r_nbd_refined	0.21
r_xyhbond_nbd_refined	0.19
r_nbd_other	0.177
r_symmetry_hbond_refined	0.176
r_nbtor_refined	0.167
r_symmetry_vdw_refined	0.162
r_nbtor_other	0.085
r_chiral_restr	0.081
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	4776
Nucleic Acid Atoms
Solvent Atoms	359
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing