5EIL | pdb_00005eil

Computational design of a high-affinity metalloprotein homotrimer containing a metal chelating non-canonical amino acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		294	0.1 M Magnesium Chloride, 0.1 M Sodium Acetate trihydrate pH 4.5 and 30% Pentaerythritol propoxylate (5/4 PO/OH)

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.107	α = 90
b = 63.94	β = 116.87
c = 64.831	γ = 90

Symmetry
Space Group	P 1 21 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 QUANTUM 315r		2014-10-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.00	ALS	8.2.1

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	2.25	28.92	100	0.28	13.92	7.7		22017

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION		FREE R-VALUE	2.25	28.92	1.43	21968	2202	99.72	0.2169	0.2138	0.2219	0.245	0.2484

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.785
f_angle_d	0.769
f_chiral_restr	0.028
f_bond_d	0.005
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3568
Nucleic Acid Atoms
Solvent Atoms	105
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PHENIX	refinement
xia2	data scaling
XDS	data scaling
PHASER	phasing