2IPX

Human Fibrillarin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	300	20% PEG3350, 0.2 M CaCl2, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.261	α = 90
b = 57.261	β = 90
c = 135.028	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU		2006-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

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	1.8	39	96.3	0.095	11.3	11.9	20921	20921

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)
	1.8	1.86	65.4		0.574	1.6	4.6	1378

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	PDB ENTRY 1FBN	1.82	39	19784	19784	1072	98.8	0.2024	0.20241	0.2001	0.24552	RANDOM	24.605

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]
-0.2			-0.2		0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.129
r_dihedral_angle_4_deg	14.438
r_dihedral_angle_3_deg	13.735
r_dihedral_angle_1_deg	5.616
r_scangle_it	3.075
r_scbond_it	2.024
r_angle_refined_deg	1.402
r_mcangle_it	1.361
r_mcbond_it	0.849
r_nbtor_refined	0.302
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.145
r_symmetry_metal_ion_refined	0.099
r_chiral_restr	0.091
r_metal_ion_refined	0.021
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1715
Nucleic Acid Atoms
Solvent Atoms	237
Heterogen Atoms	22

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
HKL-2000	data reduction
HKL-2000	data scaling