6T5G

Structure of Human Aldose Reductase Mutant L300A with a Citrate Molecule Bound in the Anion Binding Pocket

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4PRR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	291	50 mM Di-Ammoniumhydrogen citrate pH 5.0: 15 mg/mL hAR, 5.2 mg/mL DTT, 0.7 mg/mL NADP+, 5% /w/v) PEG 6000 Reservoir: 120 mM Di-Ammoniumhydrogen citrate pH 5.0, 20% (w/v) PEG 6006

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.685	α = 93.012
b = 46.717	β = 116.859
c = 48.507	γ = 102.606

Symmetry
Space Group	P 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		2017-02-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.979003	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	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	1.277	44.9	89.6	0.082	0.986	6.11	2		69706			10.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.28	1.35	79.9		0.288	0.793	2.42	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4PRR	1.28	44.9	2.03	69698	3486	89.81	0.1311	0.1296	0.1595	15.53

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.7105
f_angle_d	1.2376
f_chiral_restr	0.0874
f_bond_d	0.0117
f_plane_restr	0.0094

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2454
Nucleic Acid Atoms
Solvent Atoms	301
Heterogen Atoms	74

Software

Software
Software Name	Purpose
PHENIX	refinement
Coot	model building
XDS	data reduction
XDS	data scaling
PHASER	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 R01GM157729.