1UY3

Binding sub-site dissection of a family 6 carbohydrate-binding module by X-ray crystallography and isothermal titration calorimetry

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		pH 4.50

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.413	α = 90
b = 83.413	β = 90
c = 44.659	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	113	IMAGE PLATE	RIGAKU R-AXIS IV++	OSMIC BLUE		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-002

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	1.89	20	99.9	0.07	16	8.2		12433

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	1.89	1.96	100		0.354	5.2	8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1GMM	1.89	20	12433	662	99.9	0.132	0.13	0.166	RANDOM	24.18

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]
-0.74			-0.74		1.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.54
r_scangle_it	6.126
r_scbond_it	4.251
r_mcangle_it	2.62
r_mcbond_it	1.728
r_angle_refined_deg	1.631
r_angle_other_deg	0.872
r_symmetry_hbond_refined	0.312
r_nbd_other	0.265
r_symmetry_vdw_other	0.246
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.178
r_symmetry_vdw_refined	0.174
r_metal_ion_refined	0.131
r_chiral_restr	0.109
r_nbtor_other	0.088
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_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	986
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	36

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
MOLREP	phasing