2X5H

Crystal structure of the ORF131 L26M L51M double mutant from Sulfolobus islandicus rudivirus 1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2X5G	PDB ENTRY 2X5G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				2.1 M SODIUM MALONATE AND CRYOPROTECTED WITH 2.4 M MALONATE.

Crystal Properties
Matthews coefficient	Solvent content
2.2	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.94	α = 90.22
b = 46.971	β = 95.05
c = 48.976	γ = 91.78

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	ADSC CCD	MIRRORS	2004-07-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.8	14	97	0.04	24.8	3.4		28543

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	1.8	1.9	95		0.19	6.5	3.4

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 2X5G	1.8	14	28543	1521	96.68	0.20282	0.19996	0.25715	RANDOM	27.173

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]
-0.19	-0.33	-0.08	0.2	0.19	-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.429
r_dihedral_angle_3_deg	14.229
r_dihedral_angle_4_deg	11.823
r_dihedral_angle_1_deg	5.658
r_scangle_it	2.451
r_scbond_it	1.787
r_angle_refined_deg	1.149
r_mcangle_it	0.995
r_mcbond_it	0.902
r_angle_other_deg	0.772
r_symmetry_vdw_other	0.225
r_nbd_refined	0.2
r_nbd_other	0.179
r_nbtor_refined	0.171
r_mcbond_other	0.16
r_symmetry_hbond_refined	0.159
r_symmetry_vdw_refined	0.154
r_xyhbond_nbd_refined	0.152
r_nbtor_other	0.082
r_chiral_restr	0.065
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_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	2998
Nucleic Acid Atoms
Solvent Atoms	380
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing