1YAX

Cystal structure Analysis of S.typhimurium PhoQ sensor domain with Calcium

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	PEG 8000, tris-HCL, calcium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3	58.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.078	α = 90
b = 134.871	β = 119.61
c = 58.444	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	ADSC QUANTUM 4		2003-11-18	M	SAD
2	1		CCD	ADSC QUANTUM 4		2003-11-18

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.9793	ALS	5.0.2
2	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.9939	ALS	5.0.1

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	2.4	50	95	0.04	35.29	3.6		29394

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	2.49	72.2		0.253	3.68	2.6	2242

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 and MR	THROUGHOUT	2.4	50	27970	1514	94.85	0.244	0.24205	0.27952	RANDOM	27.383

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]
-3.49		-1.59	-2.26		4.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.621
r_scangle_it	2.396
r_scbond_it	1.444
r_angle_refined_deg	1.145
r_mcangle_it	0.987
r_angle_other_deg	0.778
r_mcbond_it	0.59
r_symmetry_vdw_other	0.237
r_nbd_other	0.21
r_nbd_refined	0.188
r_metal_ion_refined	0.184
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.177
r_symmetry_vdw_refined	0.128
r_nbtor_other	0.085
r_chiral_restr	0.065
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_gen_planes_other	0.003
r_bond_other_d	0.002
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_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	4345
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	7

Software

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