2BRF

Crystal Structure of the FHA Domain of Human Polynucleotide Kinase 3' Phosphatase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				PROTEIN WAS CRYSTALLISED IN 0.1 M TRIS-HCL PH 8.5, 2.0 M AMMONIUM SULPHATE

Crystal Properties
Matthews coefficient	Solvent content
2	37.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.812	α = 90
b = 40.047	β = 90.96
c = 37.512	γ = 90

Symmetry
Space Group	P 1 21 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		2004-12-01	M	SINGLE WAVELENGTH

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

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	1.4	37.5	97.2	0.05	8.9	3.4		16490

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	1.4	1.44	88		0.16	3.9	2.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1UJX	1.4	37.5	15643	834	88	0.152	0.15	0.183	RANDOM	8.84

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]
-0.33		0.02	0.06		0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.932
r_dihedral_angle_4_deg	11.591
r_dihedral_angle_3_deg	10.403
r_dihedral_angle_1_deg	6.85
r_scangle_it	4.68
r_scbond_it	3.671
r_angle_refined_deg	2.512
r_mcangle_it	2.23
r_mcbond_it	2.104
r_angle_other_deg	1.068
r_xyhbond_nbd_refined	0.445
r_symmetry_vdw_other	0.324
r_symmetry_vdw_refined	0.289
r_symmetry_hbond_refined	0.289
r_nbd_refined	0.245
r_nbd_other	0.207
r_chiral_restr	0.187
r_nbtor_refined	0.166
r_nbtor_other	0.089
r_bond_refined_d	0.03
r_gen_planes_refined	0.013
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
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	755
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing