1W8U

CBM29-2 mutant D83A complexed with mannohexaose: 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		6.5		1.5 M AMMONIUM SULPHATE, 0.1 M SODIUM CITRATE PH6.5 10 MM MANNOHEXAOSE 25% GLYCEROL, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.2	0.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.15	α = 90
b = 42.636	β = 93.71
c = 60.182	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	SRS BEAMLINE PX9.6		SRS	PX9.6

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	1.3	100	99.8	0.06	32.4	3.6		31892

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	1.3	1.32	98.1		0.23	6.6	2.7

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	1.3	30	30250	1610	99.8	0.162	0.161	0.17	0.175	RANDOM	8.66

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]
0.12		-0.01	0.11		-0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.74
r_dihedral_angle_4_deg	17.839
r_dihedral_angle_3_deg	14.106
r_dihedral_angle_1_deg	7.334
r_scangle_it	3.801
r_angle_other_deg	3.35
r_scbond_it	2.658
r_angle_refined_deg	1.908
r_mcangle_it	1.739
r_mcbond_it	1.436
r_symmetry_vdw_refined	0.47
r_symmetry_vdw_other	0.37
r_nbd_other	0.192
r_nbd_refined	0.189
r_nbtor_refined	0.183
r_xyhbond_nbd_refined	0.143
r_symmetry_hbond_refined	0.143
r_chiral_restr	0.107
r_nbtor_other	0.099
r_bond_refined_d	0.018
r_gen_planes_refined	0.01
r_bond_other_d	0.002
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	1106
Nucleic Acid Atoms
Solvent Atoms	166
Heterogen Atoms	56

Software

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