3UVU

Structural basis of nuclear import of Flap endonuclease 1 (FEN1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	293	Sodium citrate, DTT, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.08	60.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.87	α = 90
b = 89.561	β = 90
c = 100.343	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	MARMOSAIC 225 mm CCD		2010-08-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.45	LNLS	W01B-MX2

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	2.38	40	98	0.105		3	28970	28376		-3	48.675

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	2.38	2.443	98		0.105	15.04	3	28970

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FOURIER SYNTHESIS	THROUGHOUT	2.38	36.71	28970	26792	1443	97.05	0.1703	0.1703	0.16787	0.21508	RANDOM	48.675

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.675
r_dihedral_angle_4_deg	24.751
r_dihedral_angle_3_deg	19.241
r_dihedral_angle_1_deg	6.193
r_scangle_it	5.527
r_scbond_it	3.405
r_mcangle_it	2.103
r_angle_refined_deg	1.961
r_mcbond_it	1.18
r_nbtor_refined	0.309
r_nbd_refined	0.218
r_symmetry_hbond_refined	0.182
r_symmetry_vdw_refined	0.146
r_xyhbond_nbd_refined	0.133
r_chiral_restr	0.13
r_bond_refined_d	0.023
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3320
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms

Software

Software
Software Name	Purpose
MAR345dtb	data collection
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing