2PN8

Crystal structure of human peroxiredoxin 4 (thioredoxin peroxidase)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QMV	PDB entry 1QMV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.1M HEPES pH 7.5, 10% PEG 10000, 8% Ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.93	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.188	α = 90
b = 138.776	β = 104.52
c = 108.989	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 225 mm CCD		2007-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.95370	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.8	50	99.01	0.103	0.12	10.1	3.8	255385	252831		2	20.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.9	98.3		0.578	0.675	2.3	3.8	36549

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1QMV	1.8	50	252831	252831	12684	99.01	0.15277	0.15277	0.15108	0.18454	RANDOM	14.209

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]
-1.14		-0.48	0.33		0.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.436
r_dihedral_angle_4_deg	15.297
r_dihedral_angle_3_deg	11.243
r_scangle_it	7.343
r_dihedral_angle_1_deg	6.237
r_scbond_it	5.02
r_mcangle_it	3.438
r_mcbond_it	2.657
r_angle_refined_deg	1.327
r_angle_other_deg	0.919
r_mcbond_other	0.789
r_symmetry_vdw_other	0.255
r_nbd_refined	0.196
r_nbd_other	0.195
r_nbtor_refined	0.18
r_symmetry_hbond_refined	0.152
r_xyhbond_nbd_refined	0.15
r_symmetry_vdw_refined	0.126
r_chiral_restr	0.086
r_nbtor_other	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
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	15435
Nucleic Acid Atoms
Solvent Atoms	2183
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing