4A2O

STRUCTURE OF THE HUMAN EOSINOPHIL CATIONIC PROTEIN IN COMPLEX WITH SULFATE ANIONS

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DYT	PDB ENTRY 1DYT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
1.63	24.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.264	α = 90
b = 51.29	β = 111.28
c = 55.394	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	100	CCD	MARMOSAIC 225 mm CCD		2011-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	1.69	51.62	98.5	0.07	11.4	3		25341		2	23.6

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	1.69	1.78	90.8		0.45	2.3	2.3

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1DYT	1.69	51.62	25341	1343	98.54	0.16533	0.1622	0.16	0.22251	0.22	RANDOM	16.866

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]
0.78		0.28	-0.62		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.089
r_dihedral_angle_4_deg	19.415
r_dihedral_angle_3_deg	13.069
r_dihedral_angle_1_deg	6.479
r_scangle_it	5.15
r_scbond_it	3.443
r_mcangle_it	2.11
r_angle_refined_deg	1.941
r_mcbond_it	1.277
r_chiral_restr	0.142
r_bond_refined_d	0.024
r_gen_planes_refined	0.013
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	2170
Nucleic Acid Atoms
Solvent Atoms	371
Heterogen Atoms	70

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing