Experiment: 4ASS

TubR bound to tubC - 26 bp - from Bacillus thuringiensis serovar israelensis pBtoxis

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3M9A	PDB ENTRY 3M9A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		BT TUBR-TUBC CRYSTALS WERE PRODUCED IN 500 NL TO 500 NL PROTEIN TO PRECIPITANT DROPS: 10 MG/ML BT TUBR, 500 UM TUBC-26, 100 MM NA-HEPES PH 7.5, 5 MM MGCL2, 25 % (W/V) POLYACRYLIC ACID 5100 SODIUM SALT.

Crystal Properties
Matthews coefficient	Solvent content
4.14	70.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.561	α = 90
b = 162.352	β = 90
c = 285.394	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2011-05-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03		Diamond	I03

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	6.7	142.7	99.8	0.11	14.2	12.4		3906		2

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	6.7	7.06	99.8		1.586	2	13.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3M9A	7	67.81	1.41	3906	156	99.58	0.4117	0.408	0.4296	0.4839	0.4334

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
f_dihedral_angle_d	21.909
f_angle_d	1.376
f_chiral_restr	0.097
f_bond_d	0.015
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6543
Nucleic Acid Atoms	1066
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing