1GYD

Structure of Cellvibrio cellulosa alpha-L-arabinanase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		TRICLINIC STRUCTURE PREVIOUSLY SOLVED

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		10% PEG8000 100MM TRIS-HCL PH8.0, 20% GLYCEROL, pH 8.00

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.078	α = 90
b = 90.078	β = 90
c = 177.217	γ = 120

Symmetry
Space Group	P 65 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	CCD	ADSC CCD			M	SINGLE WAVELENGTH

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

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	2.05	20	99.9	0.056	29.4	6.77		27420

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	2.05	2.12	99.9		0.565	3.27	6.95

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	TRICLINIC STRUCTURE PREVIOUSLY SOLVED	2.05	20	26420	869	99.9	0.207	0.205	0.21	0.245	RANDOM	20.37

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]
2.93	1.47		2.93		-4.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.931
r_scangle_it	2.422
r_angle_other_deg	1.844
r_scbond_it	1.614
r_angle_refined_deg	1.416
r_mcangle_it	1.031
r_mcbond_it	0.591
r_symmetry_hbond_refined	0.448
r_symmetry_vdw_other	0.321
r_nbd_other	0.248
r_nbd_refined	0.185
r_symmetry_vdw_refined	0.144
r_xyhbond_nbd_refined	0.143
r_nbtor_other	0.09
r_chiral_restr	0.087
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
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	2544
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms

Software

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