2H75

Crystal Structure of Thioredoxin Mutant D13E in Hexagonal (p61) Space Group

X-RAY DIFFRACTION

---

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.081	α = 90
b = 103.081	β = 90
c = 42.588	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	2005-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.5418

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	2.2	51.54	99.9	0.0258	23.38	1.92	13343	13343			38.183

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	2.2	2.25	100		0.1934	4.16	1.7	856

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 2TRX	2.2	51.54	13343	12846	1273	96.297	0.233	0.233	0.2269	0.2935	Random	43.267

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]
-4.208	-2.104		-4.208		6.312

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.791
r_dihedral_angle_4_deg	23.872
r_dihedral_angle_3_deg	15.705
r_dihedral_angle_1_deg	5.775
r_mcangle_it	1.869
r_scangle_it	1.532
r_angle_refined_deg	1.229
r_mcbond_it	1.179
r_scbond_it	1.004
r_nbtor_refined	0.299
r_symmetry_hbond_refined	0.202
r_symmetry_vdw_refined	0.201
r_nbd_refined	0.193
r_xyhbond_nbd_refined	0.157
r_chiral_restr	0.076
r_bond_refined_d	0.013
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1630
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms	16

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