3S2C

Structure of the thermostable GH51 alpha-L-arabinofuranosidase from Thermotoga petrophila RKU-1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	291	pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.95	α = 90
b = 187.292	β = 90.87
c = 180.636	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 225 mm CCD		2010-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.4586	LNLS	W01B-MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3	50	97.9			137481	137481		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3	3.11	97

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 1PZ3	3	49.24	137481	130569	6914	97.17	0.198	0.195	0.268	RANDOM	45.462

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]
-0.16		0.19	0.09		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.473
r_dihedral_angle_3_deg	20.66
r_dihedral_angle_4_deg	19.76
r_dihedral_angle_1_deg	7.091
r_scangle_it	2.035
r_angle_refined_deg	1.389
r_scbond_it	1.147
r_mcangle_it	0.829
r_mcbond_it	0.421
r_chiral_restr	0.103

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.473
r_dihedral_angle_3_deg	20.66
r_dihedral_angle_4_deg	19.76
r_dihedral_angle_1_deg	7.091
r_scangle_it	2.035
r_angle_refined_deg	1.389
r_scbond_it	1.147
r_mcangle_it	0.829
r_mcbond_it	0.421
r_chiral_restr	0.103
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	46699
Nucleic Acid Atoms
Solvent Atoms	433
Heterogen Atoms

Software

Software
Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.