2F6Q

The crystal structure of human peroxisomal delta3, delta2 enoyl CoA isomerase (PECI)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	20 % isopropanol, 0.1 M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.931	α = 90
b = 123.196	β = 90
c = 128.133	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	MARMOSAIC 225 mm CCD		2005-11-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.979097	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.95	50	99.2		3.6		54609

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	2.02	99.2			3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.95	50	51615	51615	2769	98.84	0.21516	0.21516	0.21293	0.25728	RANDOM	33.902

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]
1.87			-0.19		-1.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.566
r_dihedral_angle_4_deg	22.162
r_dihedral_angle_3_deg	15.201
r_dihedral_angle_1_deg	5.868
r_scangle_it	3.193
r_scbond_it	2.181
r_angle_refined_deg	1.316
r_mcangle_it	1.176
r_mcbond_it	1.07
r_angle_other_deg	0.888
r_symmetry_vdw_other	0.301
r_symmetry_hbond_refined	0.274
r_xyhbond_nbd_refined	0.25
r_nbd_refined	0.221
r_symmetry_vdw_refined	0.205
r_mcbond_other	0.203
r_nbd_other	0.183
r_nbtor_refined	0.179
r_nbtor_other	0.087
r_chiral_restr	0.078
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5572
Nucleic Acid Atoms
Solvent Atoms	133
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing