Experiment: 4C0R

Molecular and structural basis of glutathione import in Gram-positive bacteria via GshT and the cystine ABC importer TcyBC of Streptococcus mutans.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2Q2C	PDB ENTRY 2Q2C

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		0.1 M CADMIUM CHLORIDE HYDRATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6, 30% V/V POLYETHYLENE GLYCOL 400

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.04	α = 90
b = 103.12	β = 92.31
c = 64.09	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	MARRESEARCH		2011-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.00, 1.55	SLS	X06DA

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	1.55	37	98.9	0.06	16.21	3.7		69164		-3	13

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	1.55	1.64	98.9		0.5	2.89	96.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2Q2C	1.547	37.01	1.99	69148	3458	98.89	0.1568	0.1554	0.1551	0.1831	0.1814	17.5

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]
-0.2583		0.9598	0.014		0.2444

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.859
f_angle_d	1.692
f_chiral_restr	0.284
f_bond_d	0.017
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3681
Nucleic Acid Atoms
Solvent Atoms	671
Heterogen Atoms	112

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing