6CIA

Crystal structure of aldo-keto reductase from Klebsiella pneumoniae in complex with NADPH.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	289.15	0.2 ul of 11 mg/ml protein in 20 mM HEPES pH 7.5, 150 mM NaCl, 10% Glycerol, 0.1% Sodium Azide and 0.5 mM TCEP were mixed with 0.2 ul of the Top 96 #90 (0.2 uL 0.1 M Tris: HCl, pH 8.5, 25 % (w/v) PEG 3350) and 0.1 uL 30%v/v Ethanol (Additive Screen #82) and equilibrated against 1.5 M NaCl solution in 96 Well 3 drop Crystallization Plate (Swissci)

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.626	α = 90
b = 83.626	β = 90
c = 72.834	γ = 120

Symmetry
Space Group	P 32 2 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	MARMOSAIC 300 mm CCD	mirrors	2017-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.3	50	100	0.083	0.083	0.088	0.03	1	30.9	8.3		13360		-3	33.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.34	100		1.092	1.092	1.178	0.438	0.838	1.9	7

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	4WGH	2.3	50	11434	612	89.94	0.17052	0.16727	0.22957	RANDOM	43.872

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]
-0.35	-0.18		-0.35		1.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.689
r_dihedral_angle_4_deg	15.979
r_dihedral_angle_3_deg	13.35
r_long_range_B_refined	6.399
r_long_range_B_other	6.3
r_dihedral_angle_1_deg	5.879
r_scangle_other	4.423
r_scbond_it	3.005
r_scbond_other	2.97
r_mcangle_it	2.605
r_mcangle_other	2.605
r_mcbond_it	1.749
r_mcbond_other	1.735
r_angle_refined_deg	1.363
r_angle_other_deg	0.968
r_chiral_restr	0.071
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2215
Nucleic Acid Atoms
Solvent Atoms	150
Heterogen Atoms	48

Software

Software
Software Name	Purpose
MD2	data collection
HKL-3000	data scaling
SCALEPACK	data scaling
HKL-3000	data reduction
HKL-3000	phasing
MOLREP	phasing
REFMAC	refinement