Experiment: 6ZTC

CRYSTAL STRUCTURE OF PROSTAGLANDIN D2 SYNTHASE IN COMPLEX WITH FRAGMENT 1A AT 1.84A RESOLUTION.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		Coordinates determined in-house

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.4	293	PEG6000, dioxane, TRIS-HCl, glycerol.

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.071	α = 90
b = 68.163	β = 96.7
c = 68.517	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	MAR scanner 345 mm plate		2010-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	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	1.84	21.054	97.4	0.06	0.071	0.037	13.3	3.6		37894			25.25

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)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.84	1.94	94.5		0.485	0.485	0.57	0.297	1.6	3.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	Coordinates determined in-house	1.84	20	35983	1890	97.03	0.1669	0.1637	0.1663	0.2267	0.2281	RANDOM	31.895

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]
-0.76		0.35	-1.31		1.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.676
r_dihedral_angle_4_deg	13.344
r_dihedral_angle_3_deg	12.772
r_dihedral_angle_1_deg	4.881
r_angle_refined_deg	1.402
r_chiral_restr	0.109
r_gen_planes_refined	0.007
r_bond_refined_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3296
Nucleic Acid Atoms
Solvent Atoms	602
Heterogen Atoms	99

Software

Software
Software Name	Purpose
MOSFLM	data processing
SCALA	data scaling
TRUNCATE	data reduction
REFMAC	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction