6SAO

Structural and functional characterisation of three novel fungal amylases with enhanced stability and pH tolerance

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		292	Natriumphosphate, Ammonium sulphate

Crystal Properties
Matthews coefficient	Solvent content
2.51	51.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.015	α = 90
b = 56.633	β = 90
c = 166.012	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	MARMOSAIC 225 mm CCD		2010-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	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	1.2	48.9	99.8	0.021	14.1	7.6		150753			8.71

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.22	96.7		0.446	0.615		4.6

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.2	48.76	143033	7574	99.73	0.1109	0.1097	0.1341	RANDOM	13.363

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]
-0.34			-0.74		1.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.908
r_dihedral_angle_4_deg	15.734
r_dihedral_angle_3_deg	11.486
r_dihedral_angle_1_deg	6.709
r_rigid_bond_restr	4.712
r_angle_refined_deg	1.937
r_angle_other_deg	1.701
r_chiral_restr	0.115
r_bond_refined_d	0.016
r_gen_planes_refined	0.015

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.908
r_dihedral_angle_4_deg	15.734
r_dihedral_angle_3_deg	11.486
r_dihedral_angle_1_deg	6.709
r_rigid_bond_restr	4.712
r_angle_refined_deg	1.937
r_angle_other_deg	1.701
r_chiral_restr	0.115
r_bond_refined_d	0.016
r_gen_planes_refined	0.015
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3363
Nucleic Acid Atoms
Solvent Atoms	568
Heterogen Atoms	134

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.