3FV6

Crystal Structure of the CBS domains from the Bacillus subtilis CcpN repressor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	17% PEG 2000 MME, 0.1M HEPES, Protein 8mg/ml; Drops 1+1 microliter, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.751	α = 90
b = 104.052	β = 90
c = 99.523	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	78	CCD	ADSC QUANTUM 315r		2005-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.93300	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.95	52.058	99.5	0.087	0.074	15.1	3.6		19404			24.432

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	2.06	99.5		0.191	0.162	5.9	3.4	2992

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.95	43.56	19395	642	91.9	0.20203	0.20193	0.19967	0.2718	RANDOM	29.221

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]
-0.16			0.07		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.795
r_dihedral_angle_4_deg	21.017
r_dihedral_angle_3_deg	16.416
r_dihedral_angle_1_deg	9.265
r_scangle_it	5.171
r_scbond_it	3.248
r_angle_refined_deg	2.1
r_mcangle_it	1.953
r_mcbond_it	1.178
r_chiral_restr	0.174
r_bond_refined_d	0.026
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2285
Nucleic Acid Atoms
Solvent Atoms	140
Heterogen Atoms

Software

Software
Software Name	Purpose
SOLVE	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling