6TOW | pdb_00006tow

Structure of E70A mutant of Rex8A from Paenibacillus barcinonensis complexed with xylotetraose.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6SRD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	291	18% PEG 3350, 0.2M Potassium thiocyanate, 0.1M Bis-Tris propane pH 7.5. Microseeding. Co-crystallization with 50-100mM xylotetraose.

Crystal Properties
Matthews coefficient	Solvent content
3.27	62.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.573	α = 90
b = 84.573	β = 90
c = 274.597	γ = 120

Symmetry
Space Group	P 31 2 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	PIXEL	DECTRIS PILATUS 6M	KB Mirrors	2017-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.979260	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	43.98	100	0.093	0.1	0.038	0.998	12.2	6.6		72614

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.05	2.09	100		0.642	0.695	0.264	0.904	2.9	6.7

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	6SRD	2.05	43.98	69094	3464	99.89	0.2374	0.2361	0.2409	0.2649	0.2685	RANDOM	31.885

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]
1.07	0.53		1.07		-3.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.599
r_dihedral_angle_4_deg	16.437
r_dihedral_angle_3_deg	14.504
r_dihedral_angle_1_deg	6.86
r_angle_refined_deg	1.447
r_angle_other_deg	1.377
r_chiral_restr	0.079
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6248
Nucleic Acid Atoms
Solvent Atoms	311
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
MOLREP	phasing