6TP0

Crystal structure of Bacillus paralicheniformis alpha-amylase in complex with maltose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	294	42-46 % Tacsimate, 10 mM CaCl2

Crystal Properties
Matthews coefficient	Solvent content
3	59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.96	α = 90
b = 82.96	β = 90
c = 187.35	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MARRESEARCH		2017-01-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

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	2.03	49.89	98.2	0.157	0.168	0.058	0.995	11.1	8.1		42384			12.5

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	2.03	2.08	76.3		0.671	0.72	0.257	0.805		7.5

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	FOURIER SYNTHESIS	THROUGHOUT	6TOY	2.04	48.89	40208	2084	99.54	0.1573	0.1559	0.1849	RANDOM	21.808

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			-0.16		0.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.033
r_dihedral_angle_4_deg	18.658
r_dihedral_angle_3_deg	12.686
r_dihedral_angle_1_deg	5.89
r_angle_refined_deg	1.394
r_angle_other_deg	0.959
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.033
r_dihedral_angle_4_deg	18.658
r_dihedral_angle_3_deg	12.686
r_dihedral_angle_1_deg	5.89
r_angle_refined_deg	1.394
r_angle_other_deg	0.959
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3910
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	42

Software

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