3HHF

Structure of CrgA regulatory domain, a LysR-type transcriptional regulator from Neisseria meningitidis.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	293	200 mM ammonium acetate, 25% PEG 3350, 0.1M bis-Tris pH5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.6	α = 90
b = 65.6	β = 105
c = 63.5	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 225 mm CCD		2006-04-10	M	MAD
2	1	x-ray	100	M	SINGLE WAVELENGTH
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.9780, 0.9065, 0.9785, 0.9795	ESRF	BM14

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	2.3	30	85.8	0.073	18	4.1		15951		-1.5	34

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	2.29	2.37	34.8		0.299	2.1	1.8	636

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	30	14781	770	84.79	0.20417	0.20146	0.25819	RANDOM	24.523

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]
-1.78		0.57	1.16		0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.606
r_dihedral_angle_3_deg	12.077
r_dihedral_angle_4_deg	11.728
r_dihedral_angle_1_deg	5.595
r_scangle_it	2.299
r_scbond_it	1.532
r_angle_refined_deg	1
r_angle_other_deg	0.947
r_mcangle_it	0.87
r_mcbond_it	0.68
r_symmetry_vdw_other	0.224
r_nbd_refined	0.184
r_nbd_other	0.179
r_nbtor_refined	0.165
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.118
r_symmetry_vdw_refined	0.117
r_symmetry_hbond_refined	0.109
r_mcbond_other	0.085
r_nbtor_other	0.081
r_bond_refined_d	0.006
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3139
Nucleic Acid Atoms
Solvent Atoms	203
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-2000	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling