1S1R

Crystal structures of prostaglandin D2 11-ketoreductase (AKR1C3) in complex with the non-steroidal anti-inflammatory drugs flufenamic acid and indomethacin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1IHI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	291	PEG, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.917	α = 90
b = 57.917	β = 90
c = 206.168	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	ADSC QUANTUM 210		2001-09-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.93	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	50	86.8	0.092	1.7	10	28450	24691			21.3

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	1IHI	2	48.8	23370	1184	100	0.15963	0.15774	0.1962	RANDOM	13.693

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]
0.91	0.45		0.91		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.935
r_scangle_it	2.635
r_scbond_it	1.55
r_angle_refined_deg	1.233
r_mcangle_it	0.958
r_angle_other_deg	0.797
r_mcbond_it	0.497
r_symmetry_vdw_other	0.255
r_nbd_other	0.231
r_nbd_refined	0.198
r_xyhbond_nbd_refined	0.152
r_symmetry_vdw_refined	0.152
r_symmetry_hbond_refined	0.126
r_nbtor_other	0.081
r_chiral_restr	0.073
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2534
Nucleic Acid Atoms
Solvent Atoms	302
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
CNS	phasing