2O7I

The X-ray crystal structure of a thermophilic cellobiose binding protein bound with cellobiose

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	290	0.1M MES, 0.2M Ammonium Sulfate, 30% PEG MME 5000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.46	50.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.03	α = 90
b = 107.03	β = 90
c = 118.19	γ = 90

Symmetry
Space Group	P 41 21 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	MARMOSAIC 300 mm CCD		2006-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-ID

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	1.5	50	99.9	0.062	18.8		109675	109675		-3	22.909

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)
	1.5	1.6	99.8		0.578	3		19013

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	pdb entry 1VR5	1.5	48.74	109673	109673	5484	100	0.193	0.193	0.192	0.216	RANDOM	13.423

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]
-0.48			-0.48		0.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.585
r_dihedral_angle_4_deg	14.89
r_dihedral_angle_3_deg	11.419
r_dihedral_angle_1_deg	6.386
r_scangle_it	1.789
r_scbond_it	1.295
r_angle_refined_deg	1.12
r_mcangle_it	0.88
r_angle_other_deg	0.842
r_mcbond_it	0.602
r_symmetry_vdw_other	0.234
r_nbd_refined	0.2
r_nbd_other	0.186
r_nbtor_refined	0.184
r_symmetry_vdw_refined	0.177
r_mcbond_other	0.111
r_xyhbond_nbd_refined	0.103
r_symmetry_hbond_refined	0.085
r_nbtor_other	0.083
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4812
Nucleic Acid Atoms
Solvent Atoms	500
Heterogen Atoms	23

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
PHASER	phasing