1OB8

Holliday Junction Resolving Enzyme

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9	293	0.2M LITHIUM SULFATE,0.1M TRIS PH 9 20% PEG 4000,15% ETHYLENE GLYCOL,293K

Crystal Properties
Matthews coefficient	Solvent content
2.74	54.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.577	α = 90
b = 90.577	β = 90
c = 70.92	γ = 120

Symmetry
Space Group	P 65

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	RH COATED SI MIRRORS	2002-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	25	98	0.033	41.1	4.25		30127

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.83	94.1		0.652	1.75

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	SE-SAD DERIVED STRUCTURE	1.8	24.54	28499	1503	97.7	0.197	0.246	RANDOM	28.2

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]
0.01	0.01		0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.945
r_scangle_it	2.969
r_scbond_it	1.721
r_mcangle_it	1.535
r_angle_refined_deg	1.292
r_mcbond_it	0.832
r_angle_other_deg	0.767
r_symmetry_vdw_other	0.27
r_nbd_other	0.233
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.193
r_symmetry_hbond_refined	0.175
r_xyhbond_nbd_refined	0.165
r_nbtor_other	0.102
r_chiral_restr	0.076
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.002
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_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	1989
Nucleic Acid Atoms
Solvent Atoms	251
Heterogen Atoms	42

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling