1W8W

CBM29-2 mutant Y46A: Probing the Mechanism of Ligand Recognition by Family 29 Carbohydrate Binding Modules

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1GWM	PDB ENTRY 1GWM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		100 MM NA/HEPES BUFFER PH 7.5, CONTAINING 150 MM KSCN, 20% ETHYLENE GLYCOL 20%PEG3350

Crystal Properties
Matthews coefficient	Solvent content
3.1	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.485	α = 90
b = 92.485	β = 90
c = 80.846	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					M	SINGLE WAVELENGTH

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

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	2.1	20	99.9	0.08	21.8	7.3		21019

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	2.1	2.21	100		0.41	4.3	7.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1GWM	2.1	65.94	19941	1080	99.9	0.202	0.2	0.21	0.234	RANDOM	19.63

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]
-1.22			-1.22		2.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.944
r_dihedral_angle_3_deg	14.406
r_dihedral_angle_4_deg	13.038
r_dihedral_angle_1_deg	7.547
r_scangle_it	3.384
r_scbond_it	2.204
r_angle_refined_deg	1.606
r_angle_other_deg	1.445
r_mcangle_it	1.267
r_mcbond_it	0.687
r_symmetry_vdw_other	0.36
r_symmetry_vdw_refined	0.328
r_nbd_other	0.259
r_nbd_refined	0.194
r_xyhbond_nbd_refined	0.166
r_symmetry_hbond_refined	0.117
r_chiral_restr	0.095
r_nbtor_other	0.089
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbtor_refined
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
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	2243
Nucleic Acid Atoms
Solvent Atoms	89
Heterogen Atoms

Software

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