2OBG

Crystal Structure of Monobody MBP-74/Maltose Binding Protein Fusion Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	292	20% PEG-1000, 0.1 M Na/K phosphate, 0.2 M NaCl, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.461	α = 90
b = 68.461	β = 90
c = 112.625	γ = 90

Symmetry
Space Group	P 41

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		2006-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C		APS	24-ID-C

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	2.35	50					21507

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.35	20	19317	2190	99.62	0.20304	0.19775	0.24976	RANDOM	53.11

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]
-0.27			-0.27		0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.97
r_dihedral_angle_4_deg	24.392
r_dihedral_angle_3_deg	16.873
r_dihedral_angle_1_deg	5.673
r_scangle_it	1.612
r_angle_refined_deg	1.088
r_scbond_it	1.041
r_mcangle_it	0.825
r_mcbond_it	0.459
r_nbtor_refined	0.303
r_nbd_refined	0.195
r_symmetry_vdw_refined	0.186
r_symmetry_hbond_refined	0.15
r_xyhbond_nbd_refined	0.11
r_chiral_restr	0.085
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3487
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing