2C7F | pdb_00002c7f

The Structure of a family 51 arabinofuranosidase, Araf51, from Clostridium thermocellum in complex with 1,5-alpha-L-Arabinotriose.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				5.0M SODIUM ACETATE,0.1M SODIUM CACODYLATE PH 6.5,5% DIOXANE

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 173.341	α = 90
b = 173.341	β = 90
c = 272.68	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	CCD	MARRESEARCH	TOROIDAL MIRROR	2005-05-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2.7	59.76	99.9	0.1	11.2	3.7		113914

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	2.7	2.85	99.9		0.59	2.8	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	OTHER	THROUGHOUT	2.7	145.86	108059	5684	99.7	0.243	0.242	0.23	0.255	0.25	RANDOM	45.71

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]
0.43			0.43		-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.368
r_dihedral_angle_3_deg	16.982
r_dihedral_angle_1_deg	16.828
r_dihedral_angle_4_deg	15.121
r_angle_refined_deg	1.558
r_symmetry_vdw_refined	0.417
r_nbtor_refined	0.305
r_scangle_it	0.297
r_symmetry_hbond_refined	0.222
r_nbd_refined	0.202
r_scbond_it	0.163
r_chiral_restr	0.155
r_xyhbond_nbd_refined	0.133
r_mcangle_it	0.064
r_mcbond_it	0.041
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	23734
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	186

Software

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