3HVX

Escherichia coli Thiol peroxidase (Tpx) resolving cysteine to serine mutant (C95S) with an intermolecular disulfide bond

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	15% (w/v) PEG 8000, 0.1 M Tris, 0.2 M magnesium chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.719	α = 90
b = 123.362	β = 103.01
c = 61.932	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	ADSC QUANTUM 210		2008-08-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.978	ALS	5.0.1

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	2.1	62	96.6	0.062	10.7	2.7		32466

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)
	2.1	2.21	90.7		0.22	3.3	2.1	2229

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	pdb entry 3HVV	2.12	61.66	32466	3598	96.63	0.1707	0.16226	0.24784	RANDOM	12.428

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]
0.03		0.4	0.08		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.665
r_dihedral_angle_4_deg	20.557
r_dihedral_angle_3_deg	16.202
r_dihedral_angle_1_deg	6.985
r_scangle_it	5.538
r_mcangle_it	4.505
r_scbond_it	4.176
r_mcbond_it	3.463
r_angle_refined_deg	1.588
r_mcbond_other	1.268
r_angle_other_deg	0.899
r_chiral_restr	0.1
r_bond_refined_d	0.019
r_gen_planes_refined	0.018
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4988
Nucleic Acid Atoms
Solvent Atoms	690
Heterogen Atoms	11

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALA	data scaling