Experiment: 5MOK

Crystal structure of human IgE-Fc epsilon 3-4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3HA0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	25% (v/v) PEG1500 0.1M SPG (succinic acid, sodium dihydrogen phosphate and glycine in the ratio 2:7:7) at pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.478	α = 90
b = 100.357	β = 97.35
c = 77.856	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		2010-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9763	Diamond	I04

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	100.36	100	14	17.3		68470

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	100			8.8

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	3HA0	2	77.217	1	68373	3444	99.89	0.2036	0.2024	0.2076	0.226	0.2297

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	15.988
f_angle_d	0.619
f_chiral_restr	0.043
f_plane_restr	0.005
f_bond_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6246
Nucleic Acid Atoms
Solvent Atoms	519
Heterogen Atoms	296

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing