3GRT

HUMAN GLUTATHIONE REDUCTASE A34E, R37W MUTANT, OXIDIZED TRYPANOTHIONE COMPLEX

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1GRT	PDB ENTRY 1GRT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8		0.57-0.90 M AMMONIUM SULFATE, 100 MM POTASSIUM PHOSPHATE, PH 8.0, AND 0.5% 1-N-BETA-OCTYL-D-GLUCOPYRANOSIDE HANGING DROP VAPOR DIFFUSION. CRYSTALS WERE SOAKED IN ARTIFICIAL MOTHER LIQUOR AT PH 6.5 CONTAINING 80 MM OXIDIZED TRYPANOTHIONE, vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.66	α = 90
b = 84.69	β = 90
c = 63.67	γ = 58.68

Symmetry
Space Group	B 1 1 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	AREA DETECTOR	SIEMENS	MIRRORS	1993-03-22	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.5		92.1	0.069		1.7		29533		0.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.61	48.7

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	DIRECT BASED ON KNOWN MODEL	PDB ENTRY 1GRT	2.5	10	0.1	15872		82.5	0.171	0.171

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
x_dihedral_angle_d	25.32
x_improper_angle_d	2.26
x_angle_deg	2.01
x_bond_d	0.014
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3506
Nucleic Acid Atoms
Solvent Atoms	3
Heterogen Atoms	101

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing