Experiment: 5MQQ

Transcriptional repressor AmtR of corynebacterium glutamicum

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	293	AmtR (12 mg/ml) in 20 mM Tris HCl, pH 8.0, 0.2 M NaCl Crystals obtained under the conditions: 0.1 M Bis-Tris pH 5.8, 20 % PEG 3350 and 0.2 M (NH4)2SO4 with a protein to drop ratio of 1:1 microliters

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 149.783	α = 90
b = 160.638	β = 90
c = 51.45	γ = 90

Symmetry
Space Group	P 21 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	100	CCD	RAYONIX MX-225		2010-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

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	2.09	33.24	98.8	0.086	13.5	4.05		73411			30.7

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	2.09	2.22	95.9		0.751	2.6	3.86

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	FREE R-VALUE	2.093	33.24	1.34	73341	3693	98.84	0.2112	0.2091	0.2115	0.2497	0.2522

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	13.242
f_angle_d	0.939
f_chiral_restr	0.04
f_bond_d	0.005
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9410
Nucleic Acid Atoms
Solvent Atoms	591
Heterogen Atoms	10

Software

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