6SAV

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	4.6	292	0.2 M NaCl, 0.1 M Na-acetate pH 4.6, 30 %MPD

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.217	α = 77.03
b = 62.6	β = 81.04
c = 66.807	γ = 89.62

Symmetry
Space Group	P 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	MARRESEARCH		2007-03-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.0004	ESRF	ID29

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	1.4	43.21	92.9	0.033	0.044	0.03	0.998	9.6	2.2		146177

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	1.4	1.42	61.9		0.249	0.337	0.225	0.891		2.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2taa	1.4	39.99	138848	7328	92.87	0.1377	0.1363	0.1644	RANDOM	12.475

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]
-0.41	0.28	-0.2	-0.14	-0.07	0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.493
r_dihedral_angle_4_deg	20.076
r_dihedral_angle_3_deg	12.675
r_dihedral_angle_1_deg	6.761
r_angle_refined_deg	2.013
r_angle_other_deg	1.658
r_chiral_restr	0.106
r_bond_refined_d	0.015
r_gen_planes_refined	0.013
r_gen_planes_other	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.493
r_dihedral_angle_4_deg	20.076
r_dihedral_angle_3_deg	12.675
r_dihedral_angle_1_deg	6.761
r_angle_refined_deg	2.013
r_angle_other_deg	1.658
r_chiral_restr	0.106
r_bond_refined_d	0.015
r_gen_planes_refined	0.013
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6803
Nucleic Acid Atoms
Solvent Atoms	943
Heterogen Atoms	109

Software

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