2C4X

Structural basis for the promiscuous specificity of the carbohydrate- binding modules from the beta-sandwich super family

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		0.1M NA ACETATE,PH 4.5, 0.2M CACL2, 22.5% ETHANOL

Crystal Properties
Matthews coefficient	Solvent content
3.6	66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.899	α = 90
b = 86.899	β = 90
c = 108.242	γ = 90

Symmetry
Space Group	P 43 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	ADSC CCD		2005-05-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2	67.7	99.9	0.06	21.8	7.5		28686		1.9	39.1

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	2	2.11	100		0.93	1.9	7.1

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	2	67.73	27200	1427	99.8	0.181	0.179	0.215	RANDOM	43.53

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]
0.63			0.63		-1.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.624
r_dihedral_angle_4_deg	15.259
r_dihedral_angle_3_deg	14.195
r_dihedral_angle_1_deg	6.48
r_scangle_it	2.012
r_scbond_it	1.32
r_angle_refined_deg	1.209
r_mcangle_it	0.871
r_mcbond_it	0.606
r_nbtor_refined	0.304
r_nbd_refined	0.193
r_symmetry_vdw_refined	0.179
r_symmetry_hbond_refined	0.155
r_xyhbond_nbd_refined	0.149
r_chiral_restr	0.081
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1936
Nucleic Acid Atoms
Solvent Atoms	381
Heterogen Atoms	14

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
SHELXD	phasing