2BOF

Catalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from Thermobifida fusca in complex with cellotetrose

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				20-30% POLYETHYLENGLYCOL 4000 AND 0.15-0.34 M SODIUM MALONATE, PH 4.0

Crystal Properties
Matthews coefficient	Solvent content
2	36.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.958	α = 90
b = 66.948	β = 90
c = 81.527	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH	SI MIRROR COATED WITH PLATINUM	2003-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711		MAX II	I711

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.64	52	99.6	0.07	0.061	15.6	4.1		28960		6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.64	1.73	97.1		0.2	0.174	6.3	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 1TML	1.64	51.99	27911	1495	99.6	0.158	0.157	0.186	RANDOM	12.62

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.457
r_scangle_it	3.119
r_scbond_it	1.878
r_angle_refined_deg	1.277
r_mcangle_it	1.176
r_angle_other_deg	0.813
r_mcbond_it	0.634
r_nbd_other	0.247
r_symmetry_vdw_other	0.216
r_nbd_refined	0.202
r_symmetry_hbond_refined	0.152
r_symmetry_vdw_refined	0.15
r_xyhbond_nbd_refined	0.135
r_nbtor_other	0.08
r_chiral_restr	0.073
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
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	2080
Nucleic Acid Atoms
Solvent Atoms	273
Heterogen Atoms	45

Software

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