1S2C

Crystal structures of prostaglandin D2 11-ketoreductase 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	1S1P

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
2.23	44.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.798	α = 90
b = 63	β = 90
c = 96.289	γ = 90

Symmetry
Space Group	P 21 21 21

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 4		2002-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.93	ESRF	ID14-2

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	1.8	52.7	99.7	0.078	13.6	4.4	32180	32084			17.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.9	98.1		0.256	3.8	2.8	4459

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	isomorphous replacement	THROUGHOUT	1S1P	1.8	48	30396	1634	99.63	0.16996	0.16814	0.20491	RANDOM	19.2

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]
0.88			-0.24		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.503
r_scangle_it	2.649
r_scbond_it	1.593
r_angle_refined_deg	1.239
r_angle_other_deg	1.139
r_mcangle_it	1.021
r_mcbond_it	0.512
r_symmetry_hbond_refined	0.276
r_symmetry_vdw_other	0.259
r_nbd_other	0.227
r_nbd_refined	0.204
r_xyhbond_nbd_refined	0.146
r_symmetry_vdw_refined	0.139
r_nbtor_other	0.081
r_chiral_restr	0.068
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2529
Nucleic Acid Atoms
Solvent Atoms	235
Heterogen Atoms	102

Software

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