2D27

Structure of the N-terminal domain of XpsE (crystal form I4122)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	277	ammonium sulfate, MgCl2, MES pH 5.6, PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.15	60.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.479	α = 90
b = 92.479	β = 90
c = 123.763	γ = 90

Symmetry
Space Group	I 41 2 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	CCD	ADSC QUANTUM 4		2004-07-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL12B2	0.9537, 0.9801, 0.9796	SPring-8	BL12B2

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	2.21	28					13800	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.21	2.29	99.2

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	MAD	THROUGHOUT	2.21	28	13800	13571	677	98.4	0.195	0.195	0.193	0.236	RANDOM	33.889

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]
-0.67			-0.67		1.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.785
r_scangle_it	5.94
r_scbond_it	3.569
r_mcangle_it	2.325
r_angle_refined_deg	2.055
r_mcbond_it	1.28
r_angle_other_deg	1.035
r_symmetry_vdw_other	0.345
r_symmetry_hbond_refined	0.312
r_nbd_refined	0.248
r_xyhbond_nbd_refined	0.248
r_nbd_other	0.246
r_chiral_restr	0.159
r_symmetry_vdw_refined	0.147
r_nbtor_other	0.099
r_bond_refined_d	0.024
r_gen_planes_refined	0.01
r_gen_planes_other	0.01
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1165
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing