4AFD | pdb_00004afd

Structural and biochemical characterization of a novel Carbohydrate Binding Module of endoglucanase Cel5A from Eubacterium cellulosolvens with a partially bound cellotetraose moeity.

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6	292	101 MG/ML PROTEIN COCRYSTALLISED WITH 1 0 MM CELLOHEXAOSE AT 292 K WITH 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6, 26% W/V PEG 2K MME. 30% GLYCEROL WAS USED AS CRYOPROTECTANT IN MOTHER LIQUOR SOLUTION.

Crystal Properties
Matthews coefficient	Solvent content
2.23	45.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.773	α = 90
b = 48.773	β = 90
c = 193.719	γ = 120

Symmetry
Space Group	P 61 2 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		2011-10-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1		SOLEIL	PROXIMA 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	1.34	42.24	96.9	0.05	26.3	10.7		30670

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	1.34	1.41	93.6		0.48	5	10.8

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4AEK	1.34	42.24	29148	1522	96.11	0.16655	0.16548	0.16	0.18681	0.18	RANDOM	15.58

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]
0.05	0.02		0.05		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.185
r_dihedral_angle_3_deg	12.485
r_dihedral_angle_4_deg	11.176
r_dihedral_angle_1_deg	8.694
r_angle_refined_deg	2.623
r_chiral_restr	0.156
r_bond_refined_d	0.029
r_gen_planes_refined	0.016
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
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	1009
Nucleic Acid Atoms
Solvent Atoms	202
Heterogen Atoms	45

Software

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