1SR0

Crystal structure of signalling protein from sheep(SPS-40) at 3.0A resolution using crystal grown in the presence of polysaccharides

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	25mM tris-HCl,50mM NACl,19% ethanol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.793	α = 90
b = 66.386	β = 90
c = 107.896	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	293	IMAGE PLATE	MARRESEARCH	MIRROR	2003-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5412

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	3	56	80	0.133	6.8	28.43	205026	7210			36.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3	3.1	78		0.523	2.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1OWQ	3.05	56	7210	6857	353	80	0.1747	0.17403	0.17231	0.20547	RANDOM	28.118

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]
0.07			-1.32		1.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	19.457
r_scangle_it	5.685
r_scbond_it	3.385
r_dihedral_angle_1_deg	3.114
r_mcangle_it	2.668
r_angle_refined_deg	2.426
r_angle_other_deg	1.718
r_mcbond_it	1.421
r_nbtor_other	0.673
r_nbd_refined	0.294
r_nbd_other	0.261
r_symmetry_vdw_other	0.246
r_xyhbond_nbd_refined	0.185
r_symmetry_vdw_refined	0.171
r_chiral_restr	0.164
r_xyhbond_nbd_other	0.062
r_symmetry_hbond_refined	0.037
r_bond_refined_d	0.026
r_gen_planes_refined	0.009
r_gen_planes_other	0.005
r_bond_other_d	0.003
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_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	2868
Nucleic Acid Atoms
Solvent Atoms	78
Heterogen Atoms	61

Software

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