2W9J

The crystal structure of SRP14 from the Schizosaccharomyces pombe signal recognition particle

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				50MM CACODYLIC ACID, PH 6.5, 22% POLY-ETHYLENE GLYCOL 4000, 50MM SODIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
2	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.04	α = 90
b = 57.04	β = 90
c = 86.37	γ = 120

Symmetry
Space Group	P 32 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	100	CCD	ADSC CCD	TOROIDAL FOCUSING MIRROR	2004-03-19	M	SINGLE WAVELENGTH
2	1	x-ray						M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4
2	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.6	5	97.4	0.06	16	5.8		5174		-3

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	2.6	2.7	95.5		0.41	5	6.17

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	OTHER	THROUGHOUT	NONE	2.6	32.62	4924	236	97.2	0.24	0.238	0.281	RANDOM	48.08

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]
3.59	1.8		3.59		-5.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.504
r_dihedral_angle_4_deg	18.42
r_dihedral_angle_3_deg	15.681
r_dihedral_angle_1_deg	6.144
r_scangle_it	3.12
r_scbond_it	1.81
r_angle_refined_deg	1.243
r_mcangle_it	1.044
r_mcbond_it	0.511
r_chiral_restr	0.069
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	1181
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
SHELX	phasing