9US6 | pdb_00009us6

Klebsiella pneumoniae maltohexaose-producing alpha-amylase, terbium derivative

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 = 74.884	α = 90
b = 107.496	β = 96.595
c = 82.083	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 210		2012-04-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.64894	Photon Factory	AR-NW12A

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	2.6	100	98.6	0.208	14	14.4		39283

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	2.6	2.69			0.895	3

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	2.699	46.898	35184	1761	98.737	0.167	0.1644	0.1703	0.2195	0.22	31.297

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]
-0.003		-0.018	0.029		-0.021

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.403
r_dihedral_angle_6_deg	13.887
r_dihedral_angle_1_deg	6.603
r_lrange_it	3.598
r_lrange_other	3.586
r_dihedral_angle_2_deg	3.147
r_mcangle_it	2.101
r_mcangle_other	2.101
r_scangle_it	1.898
r_scangle_other	1.897
r_mcbond_it	1.186
r_mcbond_other	1.186
r_scbond_it	1.062
r_scbond_other	1.062
r_angle_refined_deg	0.95
r_angle_other_deg	0.361
r_nbd_refined	0.195
r_symmetry_nbd_other	0.19
r_nbtor_refined	0.177
r_nbd_other	0.166
r_xyhbond_nbd_refined	0.141
r_metal_ion_refined	0.11
r_symmetry_xyhbond_nbd_refined	0.105
r_symmetry_nbd_refined	0.079
r_symmetry_nbtor_other	0.077
r_chiral_restr	0.045
r_symmetry_xyhbond_nbd_other	0.035
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10346
Nucleic Acid Atoms
Solvent Atoms	438
Heterogen Atoms	6

Software

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