3CSH

Crystal Structure of Glutathione Transferase Pi in complex with the Chlorambucil-Glutathione Conjugate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5GSS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	295	Solid chlorambucil was added to preformed GST crystals cocrystallised with glutathione , pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.346	α = 90
b = 89.358	β = 98.03
c = 68.946	γ = 90

Symmetry
Space Group	C 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	BENT SI-MIRROR	2005-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.9	APS	14-BM-C

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	20	98.6	0.068	16.3	7.2	67457	66513			14.3

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	1.55	1.6	92.7		0.24	5.7	5.6	6245

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	5GSS	1.55	18.69	66985	65481	3293	97.75	0.18	0.171	0.17	0.2	RANDOM	16.375

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.632
r_dihedral_angle_4_deg	15.454
r_dihedral_angle_3_deg	10.563
r_dihedral_angle_1_deg	5.033
r_scangle_it	3.084
r_scbond_it	2.056
r_angle_refined_deg	1.58
r_mcangle_it	1.428
r_mcbond_it	0.946
r_nbtor_refined	0.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.632
r_dihedral_angle_4_deg	15.454
r_dihedral_angle_3_deg	10.563
r_dihedral_angle_1_deg	5.033
r_scangle_it	3.084
r_scbond_it	2.056
r_angle_refined_deg	1.58
r_mcangle_it	1.428
r_mcbond_it	0.946
r_nbtor_refined	0.32
r_nbd_refined	0.202
r_symmetry_hbond_refined	0.193
r_symmetry_vdw_refined	0.157
r_chiral_restr	0.145
r_xyhbond_nbd_refined	0.135
r_metal_ion_refined	0.08
r_bond_refined_d	0.013
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3276
Nucleic Acid Atoms
Solvent Atoms	627
Heterogen Atoms	148

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.