6KIY

Crystal structure of a thermostable aldo-keto reductase Tm1743 in complex with inhibitor Epalrestat

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5DAN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	289	10% Jeffamine M600, 0.1 M sodium acetate trihydrate

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.172	α = 90
b = 84.172	β = 90
c = 93.166	γ = 120

Symmetry
Space Group	P 31 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	PIXEL	DECTRIS PILATUS3 6M		2015-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL18U1	0.97861	SSRF	BL18U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	1.9	72.9	100	0.164	0.038	4.5	19.2		30676

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.93	100		0.75	0.178	4.9

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	5DAN	1.9	42.12	29156	1488	99.9	0.1734	0.1719	0.2025	RANDOM	20.579

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]
0.34	0.17		0.34		-1.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.845
r_dihedral_angle_4_deg	12.747
r_dihedral_angle_3_deg	11.766
r_dihedral_angle_1_deg	5.763
r_angle_refined_deg	1.467
r_angle_other_deg	0.443
r_chiral_restr	0.062
r_bond_refined_d	0.01
r_gen_planes_refined	0.007
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.845
r_dihedral_angle_4_deg	12.747
r_dihedral_angle_3_deg	11.766
r_dihedral_angle_1_deg	5.763
r_angle_refined_deg	1.467
r_angle_other_deg	0.443
r_chiral_restr	0.062
r_bond_refined_d	0.01
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2212
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms	61

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
Coot	model building
PHASER	phasing
HKL-3000	data reduction
HKL-3000	data scaling

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 R01GM157729.