Experiment: 1TXX

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2TRX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2		DROPS (6 ML) OF 0.050 M SODIUM SUCCINATE BUFFER, PH 4.2, CONTAINING CVWC THIOREDOXIN (10 MG/ML), METHYL-ETHER PEG2000 (10% W/V) AND CUPRIC ACETATE (1 MM) WERE SUSPENDED OVER 1.0 ML WELLS OF 0.10 M SODIUM SUCCINATE BUFFER, PH 4.2, CONTAINING METHYL-ETHER PEG 2000 (20% W/V) AND CUPRIC ACETATE (2 MM)., VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.01	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.53	α = 90
b = 42.53	β = 90
c = 105.24	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	AREA DETECTOR	SIEMENS	MIRRORS	1996-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	30	98	0.083	20	6.3		5979		0.33

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)
	2.2	2.3	95		0.173		3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2TRX	2.2	30	37820		98	0.171	0.17

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	19.243
t_angle_deg	2.27
t_nbd	0.036
t_bond_d	0.011
t_gen_planes	0.01
t_trig_c_planes	0.005
t_incorr_chiral_ct
t_pseud_angle
t_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	832
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	1

Software

Software
Software Name	Purpose
XDS	data scaling
XSCALIBRE	data reduction
AMoRE	phasing
TNT	refinement
XDS	data reduction
XSCALIBRE	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.