2COV

Crystal structure of CBM31 from beta-1,3-xylanase

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2	38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.551	α = 90
b = 78.29	β = 90
c = 111.42	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS V		2003-02-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45PX	1.0000	SPring-8	BL45PX

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	1.25	50	95.4				153374

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	SIRAS	THROUGHOUT	1.25	20	145607	7695	95.36	0.15067	0.14935	0.17522	RANDOM	16.097

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]
1.13			-0.6		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.203
r_dihedral_angle_4_deg	24.781
r_dihedral_angle_3_deg	13.052
r_sphericity_free	11.65
r_dihedral_angle_1_deg	7.33
r_sphericity_bonded	5.535
r_scangle_it	5.362
r_scbond_it	4.423
r_mcangle_it	2.923
r_mcbond_it	2.577
r_rigid_bond_restr	2.225
r_angle_refined_deg	1.933
r_mcbond_other	1.057
r_angle_other_deg	0.905
r_nbd_refined	0.208
r_nbd_other	0.194
r_nbtor_refined	0.192
r_symmetry_hbond_refined	0.182
r_symmetry_vdw_refined	0.175
r_symmetry_vdw_other	0.162
r_xyhbond_nbd_refined	0.127
r_chiral_restr	0.126
r_nbtor_other	0.091
r_bond_refined_d	0.024
r_gen_planes_refined	0.011
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4366
Nucleic Acid Atoms
Solvent Atoms	571
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement