4EQ9 | pdb_00004eq9

1.4 Angstrom Crystal Structure of ABC Transporter Glutathione-Binding Protein GshT from Streptococcus pneumoniae strain Canada MDR_19A in Complex with Glutathione

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2Q2A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	Protein: 0.3M Sodium chloride, 0.01M HEPES pH 7.5; Screen: 0.05M ADA (N-(2-Acetamido)iminodiacetic Acid) pH 7.0, 25% (w/v) PEG 3350; Cryo: paratone, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.801	α = 90
b = 42.391	β = 94.7
c = 74.248	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	MARMOSAIC 300 mm CCD	Beryllium lenses	2012-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.4	30	99.9	0.043	28.9	4.3	51214	51214		-3	16.3

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)
1	1.4	1.42	100		0.636	2.2	4.2	2565

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2Q2A	1.4	27.03	48586	48586	2587	99.82	0.16883	0.16883	0.1677	0.1751	0.18993	0.1912	RANDOM	16.692

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]
-0.23		0.1			0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.535
r_dihedral_angle_4_deg	16.688
r_dihedral_angle_3_deg	10.308
r_scangle_it	4.547
r_dihedral_angle_1_deg	3.86
r_scbond_it	2.913
r_mcangle_it	1.753
r_angle_refined_deg	1.479
r_mcbond_it	1.127
r_angle_other_deg	0.862
r_mcbond_other	0.388
r_chiral_restr	0.097
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1921
Nucleic Acid Atoms
Solvent Atoms	308
Heterogen Atoms	20

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling