2WKD

Crystal structure of a double Ile-to-Met mutant of protein ORF34 from lactococcus phage p2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2		PROTEIN AT 7 MG/ML IN 10 MM TRIS, 300 MM NACL, 1 MM TCEP, PH 8.0 WAS CRYSTALLIZED BY SITTING-DROP VAPOUR DIFFUSION AGAINST 0.1 M HEPES PH 7.2, 60% MME-PEG550

Crystal Properties
Matthews coefficient	Solvent content
4.22	70.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.74	α = 90
b = 75.74	β = 90
c = 88.04	γ = 120

Symmetry
Space Group	P 63 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 CCD		2008-10-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1		SOLEIL	PROXIMA 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	2.1	88.04	99.8	0.05	25.79	10.18		9205		-3	40

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	2.1	2.12	100		0.44	3.77	10.54

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	SAD	THROUGHOUT	NONE	2.1	44.02	9182	918	99.783	0.24	0.2386	0.2562	RANDOM	55.7

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]
3.152	1.576		3.152		-4.728

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.812
r_dihedral_angle_4_deg	24.773
r_dihedral_angle_3_deg	16.688
r_scangle_it	6.543
r_dihedral_angle_1_deg	5.932
r_scbond_it	4.315
r_mcangle_it	2.53
r_mcbond_it	1.626
r_angle_refined_deg	1.186
r_nbtor_refined	0.305
r_nbd_refined	0.198
r_symmetry_hbond_refined	0.141
r_symmetry_vdw_refined	0.131
r_xyhbond_nbd_refined	0.111
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	610
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
TRUNCATE	data scaling
SHELX	phasing