2PMQ

Crystal structure of a mandelate racemase/muconate lactonizing enzyme from Roseovarius sp. HTCC2601

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	294	100mM Tris-HCl pH 8.5, 25% PEG 3350, 200mM Magnesium chloride, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.381	α = 90
b = 136.381	β = 90
c = 80.925	γ = 90

Symmetry
Space Group	P 4 21 2

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	MAR CCD 165 mm		2007-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97958	APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.72	96.436	98.9	0.086	0.086	22.2	12	81085	81085			17.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.72	1.81	93		0.306	0.306	6.1	10.9	10981

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.72	20	81006	81006	4061	99.7	0.167	0.165	0.191	RANDOM	15.922

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]
0.02			0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.606
r_dihedral_angle_4_deg	16.782
r_dihedral_angle_3_deg	11.735
r_dihedral_angle_1_deg	7.483
r_scangle_it	3.319
r_scbond_it	2.364
r_angle_refined_deg	1.341
r_mcangle_it	1.338
r_mcbond_it	1.154
r_angle_other_deg	0.902
r_symmetry_vdw_other	0.356
r_symmetry_vdw_refined	0.315
r_nbd_refined	0.222
r_mcbond_other	0.22
r_nbd_other	0.204
r_nbtor_refined	0.177
r_symmetry_hbond_refined	0.16
r_xyhbond_nbd_refined	0.144
r_nbtor_other	0.086
r_chiral_restr	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5626
Nucleic Acid Atoms
Solvent Atoms	687
Heterogen Atoms	5

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
SHELXCD	phasing
SHELXD	phasing
SHELXE	model building