4BK6

Crystal Structure of a dimeric variant of Bet v 1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4A88	PDB ENTRY 4A88

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		27 % PEG 3350, 0.1 M NA-ACETAT TRIHYDRATE PH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.07	α = 90
b = 61.22	β = 107.73
c = 60.09	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	PIXEL	DECTRIS PILATUS 6M		2011-09-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	1.63	57.33	99.5	0.06	13.2	3.4		34452

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	1.63	1.72	99		0.62	1.9	3.5

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	PDB ENTRY 4A88	1.63	57.33	32699	1735	99.43	0.184	0.181	0.238	RANDOM	17.656

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]
-0.49		0.45	0.75		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.336
r_dihedral_angle_4_deg	26.85
r_sphericity_free	20.713
r_dihedral_angle_3_deg	12.717
r_mcangle_it	5.959
r_dihedral_angle_1_deg	5.162
r_sphericity_bonded	4.651
r_mcbond_it	4.314
r_scbond_it	3.759
r_rigid_bond_restr	3.759
r_mcbond_other	1.736
r_angle_refined_deg	0.93
r_angle_other_deg	0.718
r_symmetry_vdw_refined	0.203
r_nbd_refined	0.192
r_nbd_other	0.18
r_nbtor_refined	0.171
r_symmetry_hbond_refined	0.166
r_symmetry_vdw_other	0.165
r_xyhbond_nbd_refined	0.109
r_nbtor_other	0.08
r_chiral_restr	0.057
r_bond_refined_d	0.004
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2451
Nucleic Acid Atoms
Solvent Atoms	428
Heterogen Atoms

Software

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