Experiment: 2XRO

Crystal structure of TtgV in complex with its DNA operator

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.76	67.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.584	α = 90
b = 89.584	β = 90
c = 416.747	γ = 120

Symmetry
Space Group	P 65

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	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04		Diamond	I04

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	3.4	77.5	96.7	0.06		4.9		25878		2	116.71

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 2XRN	3.4	62.225	1.94	25878	1316	92.6	0.217	0.2139	0.209	0.2823	0.2789

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]
-12.9817			-12.9817		25.9635

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.484
f_angle_d	1.238
f_chiral_restr	0.065
f_bond_d	0.01
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7102
Nucleic Acid Atoms	1736
Solvent Atoms
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
PHASER	phasing