2P28

Structure of the PHE2 and PHE3 fragments of the integrin beta2 subunit

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YUK	1YUK, 1L3Y
experimental model	PDB	1L3Y	1YUK, 1L3Y

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	0.2M ammonium sulphate, 15% PEG4000, 5% isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.26	α = 90
b = 52.26	β = 90
c = 423.924	γ = 120

Symmetry
Space Group	P 65 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 QUANTUM 4		2006-09-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.976	ESRF	ID23-1

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	2.2	25					18866

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	2.257

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	MOLECULAR REPLACEMENT	THROUGHOUT	1YUK, 1L3Y	2.2	25	18723	964	99.29	0.263	0.261	0.308	RANDOM	22.65

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]
0.16	0.08		0.16		-0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.312
r_scangle_it	2.281
r_mcangle_it	1.337
r_scbond_it	1.332
r_angle_refined_deg	1.223
r_angle_other_deg	0.8
r_mcbond_it	0.716
r_symmetry_vdw_other	0.231
r_nbd_other	0.221
r_symmetry_vdw_refined	0.185
r_nbd_refined	0.174
r_xyhbond_nbd_refined	0.174
r_symmetry_hbond_refined	0.158
r_nbtor_other	0.081
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2355
Nucleic Acid Atoms
Solvent Atoms	199
Heterogen Atoms	15

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling
PHASES	phasing