2H70

Crystal Structure of Thioredoxin Mutant D9E in Hexagonal (p61) Space Group

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		3.5	277	60% (v/v) MPD, Ac2Cu 1 mM, Hepes 15 mM pH 7.0, Counter-diffusion, temperature 277K, pH 3.50

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.026	α = 90
b = 103.026	β = 90
c = 40.279	γ = 120

Symmetry
Space Group	P 61

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	BRUKER SMART 6000	MONTEL OPTICS	2006-04-12	M	SINGLE WAVELENGTH

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

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	2.7	40.28	99.6	0.0366	22.53	11.81		6875			58.51

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	2.7	2.8	98.9		0.3791	3.19	5.8

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	2TRX-A	2.7	40.28	6852	324	99.4	0.21	0.206	0.292	RANDOM	52.48

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]
-4.304	-2.152		-4.304		6.456

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.735
r_dihedral_angle_4_deg	19.281
r_dihedral_angle_3_deg	17.876
r_dihedral_angle_1_deg	6.702
r_scangle_it	2.095
r_angle_refined_deg	1.619
r_scbond_it	1.251
r_mcangle_it	0.843
r_mcbond_it	0.474
r_nbtor_refined	0.318
r_nbd_refined	0.241
r_xyhbond_nbd_refined	0.199
r_symmetry_vdw_refined	0.197
r_symmetry_hbond_refined	0.165
r_chiral_restr	0.097
r_bond_refined_d	0.019
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	1625
Nucleic Acid Atoms
Solvent Atoms	61
Heterogen Atoms	24

Software

Software
Software Name	Purpose
SAINT	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
PROTEUM PLUS	data reduction
SADABS	data scaling
XPREP	data reduction
Coot	model building
MolProbity	model building