2RII

Crystal Structure of Human Peroxiredoxin I in complex with Sulfiredoxin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	14% PEG8000, 16% Ethylene glycol, 100 mM Hepes pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.24	44.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.921	α = 90
b = 85.045	β = 90
c = 130.832	γ = 90

Symmetry
Space Group	P 21 21 21

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 4		2005-04-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.0	NSLS	X8C

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	2.6	51.85	100	0.062	15.8	6.9		19543		2

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	2.6	2.7	100		0.385	4.7	7

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	1QQ2, 1XW3	2.6	43.52	18499	995	99.94	0.24232	0.23873	0.30837	RANDOM	26.902

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]
0.08					-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.253
r_dihedral_angle_4_deg	21.665
r_dihedral_angle_3_deg	21.526
r_dihedral_angle_1_deg	7.047
r_scangle_it	2.133
r_angle_refined_deg	1.504
r_scbond_it	1.324
r_mcangle_it	0.965
r_mcbond_it	0.534
r_nbtor_refined	0.323
r_symmetry_vdw_refined	0.264
r_symmetry_hbond_refined	0.264
r_nbd_refined	0.237
r_xyhbond_nbd_refined	0.179
r_chiral_restr	0.094
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4465
Nucleic Acid Atoms
Solvent Atoms	10
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
CBASS	data collection
d*TREK	data reduction
d*TREK	data scaling
PHASER	phasing