2QMX

The crystal structure of L-Phe inhibited prephenate dehydratase from Chlorobium tepidum TLS

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	289	30% v/v PEG 400, 0.1M Acetate, 0.2M Calcium Acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.87	α = 90
b = 127.886	β = 90
c = 56.595	γ = 90

Symmetry
Space Group	P 21 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	ADSC QUANTUM 315	Mirror	2007-04-14	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97918, 0.97932	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.3	41.13	82.8	0.072	35.5	6.4	23798	23798			38.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.37	52.6		0.257	5.8	5.7	1245

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	MAD	THROUGHOUT	2.3	41.13	22409	22409	1347	82.62	0.22306	0.22306	0.21916	0.28899	RANDOM	60.497

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]
-1.61			4.75		-3.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.903
r_dihedral_angle_4_deg	23.824
r_dihedral_angle_3_deg	23.334
r_dihedral_angle_1_deg	8.89
r_scangle_it	3.998
r_scbond_it	2.767
r_angle_refined_deg	2.288
r_mcangle_it	1.667
r_mcbond_it	1.046
r_nbtor_refined	0.32
r_symmetry_vdw_refined	0.255
r_nbd_refined	0.254
r_xyhbond_nbd_refined	0.186
r_symmetry_hbond_refined	0.176
r_chiral_restr	0.168
r_bond_refined_d	0.023
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4358
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	76

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MLPHARE	phasing
HKL-3000	phasing