2GK6

Structural and Functional insights into the human Upf1 helicase core

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	7.5	295	100mM Tris, 8-13% PEG3350, 140mM (NH4)3PO4, 10% EG, 10mM DTT, pH 7.5, EVAPORATION, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.284	α = 114.41
b = 67.836	β = 90.13
c = 87.25	γ = 110.22

Symmetry
Space Group	P 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	MAR CCD 165 mm		2005-03-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9793	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	20	90.8				43423

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	2GJK	2.4	20	41163	2207	90.88	0.23709	0.2352	0.27193	RANDOM	32.418

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]
-0.97	1.53	1.21	3.32	2.56	0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.145
r_scangle_it	1.657
r_angle_refined_deg	1.126
r_scbond_it	0.944
r_mcangle_it	0.922
r_angle_other_deg	0.79
r_mcbond_it	0.487
r_symmetry_hbond_refined	0.243
r_symmetry_vdw_other	0.224
r_nbd_other	0.217
r_nbd_refined	0.184
r_xyhbond_nbd_refined	0.154
r_symmetry_vdw_refined	0.124
r_nbtor_other	0.085
r_chiral_restr	0.061
r_bond_other_d	0.011
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9496
Nucleic Acid Atoms
Solvent Atoms	233
Heterogen Atoms	66

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
CCP4	data scaling
AMoRE	phasing