5AFE

Medium Resolution structure of the C-terminal family 65 Carbohydrate Binding Module (CBM65B) of endoglucanase Cel5A from Eubacterium cellulosolvens with a bound xyloglucan heptasaccharide (XXXG)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4BA6	PDB ENTRY 4BA6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		0.1 M SODIUM CITRATE TRIBASIC DIHYDRATE PH 5.6, 30%(W/V) PEG 4000 CO-CRYSTALLISED WITH 10 MM OF HEPTASACCHARIDE XXXG CRYOPROTECTAN WAS 30% GLYCEROL ADDED TO ABOVE CRYSTALLISATION BUFFER

Crystal Properties
Matthews coefficient	Solvent content
3.58	65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.96	α = 90
b = 58.96	β = 90
c = 117.1	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	PIXEL	DECTRIS PILATUS 6M		2012-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

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	2.6	58.96	96.6	0.27	2.5	3.7		6535

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	2.6	2.74	97.2		1.5	0.6	3.9

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 4BA6	2.6	52.66	6206	303	95.3	0.25122	0.24861	0.30613	RANDOM	71.468

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			-0.12		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.556
r_dihedral_angle_3_deg	13.155
r_dihedral_angle_1_deg	6.178
r_mcangle_it	1.768
r_scbond_it	1.32
r_dihedral_angle_4_deg	1.238
r_angle_refined_deg	1.112
r_mcbond_other	0.962
r_mcbond_it	0.96
r_angle_other_deg	0.645
r_chiral_restr	0.068
r_bond_refined_d	0.005
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
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	977
Nucleic Acid Atoms
Solvent Atoms	28
Heterogen Atoms	85

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing