9US3 | pdb_00009us3

Klebsiella pneumoniae maltohexaose-producing alpha-amylase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.2	293	8% polyethylene glycol 3000, 4% polyethylene glycol 3350, 40 mM sodium thiocyanate

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.726	α = 90
b = 107.839	β = 97.351
c = 82.361	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	95	CCD	ADSC QUANTUM 270		2013-01-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NE3A	1.00	Photon Factory	AR-NE3A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.899	100	100	0.153	13.4	7.6		101950

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.899	1.93			0.842	2.4

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 (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	1.899	30.682	98768	4923	96.774	0.19	0.1884	0.1959	0.2173	0.223	26.072

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]
0.002		0.007	-0.01		0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.261
r_dihedral_angle_3_deg	14.138
r_dihedral_angle_4_deg	13.23
r_dihedral_angle_1_deg	6.729
r_lrange_it	3.305
r_lrange_other	3.28
r_mcangle_it	1.174
r_mcangle_other	1.174
r_angle_refined_deg	1.166
r_angle_other_deg	1.128
r_scangle_it	0.899
r_scangle_other	0.899
r_mcbond_it	0.644
r_mcbond_other	0.644
r_scbond_it	0.507
r_scbond_other	0.506
r_nbd_other	0.249
r_symmetry_nbd_refined	0.221
r_nbd_refined	0.177
r_symmetry_nbd_other	0.172
r_nbtor_refined	0.158
r_xyhbond_nbd_refined	0.111
r_symmetry_xyhbond_nbd_refined	0.111
r_metal_ion_refined	0.073
r_symmetry_nbtor_other	0.072
r_chiral_restr	0.04
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10335
Nucleic Acid Atoms
Solvent Atoms	858
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing