3Q74

Crystal Structure Analysis of the L7A Mutant of the Apo Form of Human Alpha Class Glutathione Transferase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	7.5	293	0.1 M Tris, 20% PEG 3350, 2 mM DTT, 0.02% azide, pH 7.5, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.345	α = 90
b = 91.317	β = 93.01
c = 51.374	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	113	CCD	Bruker Platinum 135	Mirrors	2009-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.79	51.3	99.48	0.407	84.88	8.44		42718			15.997

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.79	1.862			0.736

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.79	51.3	42602	2152	99.4	0.2059	0.2026	0.2705	RANDOM	18.019

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]
0.05		-0.12	0.04		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.377
r_dihedral_angle_4_deg	16.94
r_dihedral_angle_3_deg	14.083
r_dihedral_angle_1_deg	6.168
r_scangle_it	4.673
r_scbond_it	3.014
r_angle_refined_deg	1.902
r_mcangle_it	1.716
r_mcbond_it	1.011
r_chiral_restr	0.134

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.377
r_dihedral_angle_4_deg	16.94
r_dihedral_angle_3_deg	14.083
r_dihedral_angle_1_deg	6.168
r_scangle_it	4.673
r_scbond_it	3.014
r_angle_refined_deg	1.902
r_mcangle_it	1.716
r_mcbond_it	1.011
r_chiral_restr	0.134
r_bond_refined_d	0.024
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3352
Nucleic Acid Atoms
Solvent Atoms	509
Heterogen Atoms

Software

Software
Software Name	Purpose
SAINT	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SAINT	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.