1PRY

Structure Determination of Fibrillarin Homologue From Hyperthermophilic Archaeon Pyrococcus furiosus (Pfu-65527)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	8.5	291	PEG 6000, ammonium phosphate, pH 8.5, Microbatch, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.74	55.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.967	α = 90
b = 62.082	β = 90
c = 103.363	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	MARRESEARCH		2001-10-16	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARRESEARCH		2001-11-18	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.74	APS	17-ID
2	SYNCHROTRON	APS BEAMLINE 17-ID	0.97	APS	17-ID

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
1,2	1.97	40.46		0.052	19.4		18879	18879	2	2

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)
	1.97	2.05	33.9		0.378

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	Single Anomalous Scattering	THROUGHOUT	1.97	53.45	16201	1749	86.78	0.2097	0.20437	0.25909	RANDOM	35.298

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]
-0.64			0.48		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.095
r_scangle_it	3.535
r_scbond_it	2.088
r_mcangle_it	1.374
r_angle_refined_deg	1.35
r_mcbond_it	0.744
r_symmetry_vdw_refined	0.235
r_nbd_refined	0.184
r_symmetry_hbond_refined	0.167
r_xyhbond_nbd_refined	0.129
r_chiral_restr	0.097
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	1819
Nucleic Acid Atoms
Solvent Atoms	158
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling