4OO5

Crystal Structure of S-nitrosated Human Thioredoxin Mutant

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ERT	PDB ENTRY 1ERT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	289	21% PEG 3350, 0.1 M sodium acetate, pH 4, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.008	α = 90
b = 26.038	β = 94.83
c = 51.09	γ = 90

Symmetry
Space Group	C 1 2 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 325 mm CCD	RH COATED FLAT MIRROR, TOROIDAL FOCUSING MIRROR	2012-01-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.9795	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.54	25.45	98.7	0.076	7.2	3	12978	12978			17.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.54	1.63	95.9		0.326	2.1	2.9	1837

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ERT	1.54	25.45	12317	12317	632	98.2	0.19396	0.19131	0.24836	RANDOM	29.765

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]
0.06		-0.17	1.63		-1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.64
r_dihedral_angle_3_deg	16.367
r_long_range_B_refined	7.366
r_long_range_B_other	7.308
r_dihedral_angle_1_deg	6.378
r_scangle_other	5.743
r_scbond_it	3.879
r_scbond_other	3.877
r_mcangle_it	3.371
r_mcangle_other	3.368
r_mcbond_it	2.47
r_mcbond_other	2.465
r_angle_refined_deg	2.025
r_angle_other_deg	0.936
r_chiral_restr	0.129
r_bond_refined_d	0.021
r_gen_planes_refined	0.009
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	823
Nucleic Acid Atoms
Solvent Atoms	101
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data scaling
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALA	data scaling