3D22

Crystal structure of a poplar thioredoxin h mutant, PtTrxh4C61S

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch under oil	8.2	293	1.0 M sodium / potassium phosphate , pH 8.2, microbatch under oil, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.776	α = 90
b = 44.103	β = 90
c = 85.678	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	MAR CCD 165 mm	mirrors	2005-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A	1.24	EMBL/DESY, HAMBURG	BW7A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.6	30	98.5			16333	16333

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.6	1.66	98.4

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	wild-type PtTrxh4	1.6	30	16295	825	98.61	0.191	0.191	0.191	0.196	RANDOM	21.691

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]
-0.25			0.11		0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.575
r_dihedral_angle_3_deg	12.381
r_dihedral_angle_4_deg	10.51
r_dihedral_angle_1_deg	5.604
r_scangle_it	3.249
r_scbond_it	2.107
r_mcangle_it	1.364
r_angle_refined_deg	1.239
r_mcbond_it	0.797
r_nbtor_refined	0.306
r_nbd_refined	0.206
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.135
r_symmetry_hbond_refined	0.126
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1021
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
MOLREP	phasing