Experiment: 5EWX

Fusion protein of T4 lysozyme and B4 domain of protein A from staphylococcal aureus with chemical cross-linker EY-CBS

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LYD	1LYD, 1DEE
experimental model	PDB	1DEE	1LYD, 1DEE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	7.5	277	1.84M Na/K Phosphate, pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.522	α = 90
b = 149.85	β = 122.69
c = 55.836	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 315		2015-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 7A (6B, 6C1)	0.97940	PAL/PLS	7A (6B, 6C1)

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	2.6	50	99.1	18.3	3.5		35397

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	FREE R-VALUE	1LYD, 1DEE	2.6	42.745	1.39	35397	3535	94.13	0.2076	0.2025	0.2086	0.2532	0.2527

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	15.9
f_angle_d	1.493
f_chiral_restr	0.056
f_plane_restr	0.011
f_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3348
Nucleic Acid Atoms
Solvent Atoms	64
Heterogen Atoms	60

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data collection
SCALEPACK	data scaling
PHASER	phasing