1OKR

Three-dimensional structure of S.aureus methicillin-resistance regulating transcriptional repressor MecI.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4	277	20 MM TRIS-HCL PH 7.4, 0.2 M NACL AT 4 DEGREES.

Crystal Properties
Matthews coefficient	Solvent content
3.1	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.05	α = 90
b = 73.36	β = 90
c = 74.68	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.97625,0.97915,0.97926, 0.96111	ESRF	ID29

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	2.4	66.1	96.6	0.061	5.6	4.3		61498

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	2.4	2.53	84.7		0.506	1.4	2.1

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	2.4	50	13363	753	95.9	0.222	0.218	0.298	RANDOM	30.79

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]
4.79			-0.88		-3.91

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	8.527
r_dihedral_angle_1_deg	7.198
r_scbond_it	6.017
r_mcangle_it	4.122
r_mcbond_it	2.499
r_angle_refined_deg	1.561
r_angle_other_deg	0.88
r_symmetry_vdw_other	0.334
r_nbd_other	0.23
r_nbd_refined	0.219
r_xyhbond_nbd_refined	0.168
r_chiral_restr	0.114
r_symmetry_hbond_refined	0.101
r_symmetry_vdw_refined	0.097
r_nbtor_other	0.09
r_bond_refined_d	0.018
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2051
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	13

Software

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