3HCW

CRYSTAL STRUCTURE OF PROBABLE maltose operon transcriptional repressor malR FROM STAPHYLOCOCCUS AREUS

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	294	100MM TRIS-HCL, PH 8.5, 25% PEG3350, 200MM AMMONIUM SULFATE, 10% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Properties
Matthews coefficient	Solvent content
2.42	46.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.77	α = 90
b = 113.34	β = 90
c = 117.49	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	90	CCD	ADSC QUANTUM 315	MIRRORS	2009-04-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	50	97.2	0.089	6.6	3.1		50393		-0.5

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	1.9	1.97	93		0.64	1.1	2.4

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	SAD	THROUGHOUT	2.2	20	28207	921	89.62	0.21048	0.20841	0.27184	RANDOM	48.905

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]
1.41			-0.89		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.45
r_dihedral_angle_3_deg	17.958
r_dihedral_angle_4_deg	15.879
r_scangle_it	11.991
r_scbond_it	8.867
r_mcangle_it	6.9
r_dihedral_angle_1_deg	5.56
r_mcbond_it	5.163
r_angle_refined_deg	1.272
r_nbtor_refined	0.296
r_symmetry_hbond_refined	0.179
r_xyhbond_nbd_refined	0.165
r_nbd_refined	0.153
r_symmetry_vdw_refined	0.118
r_chiral_restr	0.094
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4518
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	24

Software

Software
Software Name	Purpose
SHELXD	phasing
REFMAC	refinement
DENZO	data reduction
HKL-2000	data scaling