1W8T

CBM29-2 mutant K74A complexed with cellulohexaose: 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				0.18 M AMMONIUM TARTRATE, 18% PEG 3350, 25% MPD, 5% GLYCEROL, 10 MM CELLOHEXAOSE

Crystal Properties
Matthews coefficient	Solvent content
2.6	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.705	α = 90
b = 42.761	β = 105.23
c = 35.334	γ = 90

Symmetry
Space Group	C 1 2 1

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	1.4	20	99.4	0.05	30	3.7		30504

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	1.4	1.45	99.9		0.1	12.2	3.7

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	1.4	19.28	28961	1538	99.3	0.165	0.164	0.18	0.186	RANDOM	13.78

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]
		-0.01	-0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.536
r_dihedral_angle_4_deg	14.475
r_dihedral_angle_3_deg	13.41
r_dihedral_angle_1_deg	7.583
r_scangle_it	3.799
r_scbond_it	2.733
r_angle_other_deg	2.239
r_mcangle_it	1.774
r_angle_refined_deg	1.761
r_mcbond_it	1.479
r_symmetry_vdw_other	0.315
r_nbd_other	0.195
r_nbd_refined	0.186
r_nbtor_refined	0.181
r_symmetry_vdw_refined	0.165
r_xyhbond_nbd_refined	0.125
r_chiral_restr	0.116
r_symmetry_hbond_refined	0.102
r_nbtor_other	0.1
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
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
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	1113
Nucleic Acid Atoms
Solvent Atoms	161
Heterogen Atoms	67

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing