2HFG

Crystal structure of hBR3 bound to CB3s-Fab

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2HFF	CB2-Fab

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				Drops contained 2.1 microliters protein solution (pH 6.5) and 2.9 microliters of (0.1M citric acid pH 3.0, 24% PEG 3350, and 0.1 M Praseodymium (III) acetate) over a reservoir of 24% PEG 3350. pH of final drop ~4.5.

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.408	α = 90
b = 146.408	β = 90
c = 146.408	γ = 90

Symmetry
Space Group	I 21 3

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 315		2004-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1		ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.6	50	100	0.064	11.7		16168	16168		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.69	100		0.44	3.2	11.3	1598

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	CB2-Fab	2.61	30	-3	15891	15891	1595	100	0.20052	0.20052	0.19462	0.25245	RANDOM	47.436

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
r_dihedral_angle_2_deg	35.453
r_dihedral_angle_4_deg	22.346
r_dihedral_angle_3_deg	17.143
r_dihedral_angle_1_deg	6.466
r_mcangle_it	3.702
r_scangle_it	3.445
r_mcbond_it	2.807
r_scbond_it	2.327
r_angle_refined_deg	1.256
r_angle_other_deg	0.751
r_mcbond_other	0.48
r_symmetry_vdw_other	0.239
r_nbd_refined	0.204
r_nbd_other	0.186
r_nbtor_refined	0.178
r_symmetry_vdw_refined	0.146
r_xyhbond_nbd_refined	0.118
r_nbtor_other	0.083
r_chiral_restr	0.073
r_symmetry_hbond_refined	0.072
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3448
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing