3CQI

Crystal Structure of L-xylulose-5-phosphate 3-epimerase UlaE (form B) complex with sulfate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	294	PEG 8000, Li2SO4, pH 8.5, vapor diffusion, hanging drop, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.522	α = 90
b = 132.529	β = 90
c = 82.246	γ = 90

Symmetry
Space Group	C 2 2 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			2007-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9798	APS	31-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	2.1	50	96.7	0.069	11.4	7.1		31993			29.9

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	2.1	2.18	83.1		0.407		5	2708

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		THROUGHOUT	PDB ENTRY 3CQH	2.1	50	31975	1620	96.65	0.187	0.185	0.223	RANDOM	28.592

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]
0.95			-1.26		0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.856
r_dihedral_angle_4_deg	19.661
r_dihedral_angle_3_deg	15.441
r_dihedral_angle_1_deg	5.705
r_scangle_it	2.532
r_scbond_it	1.64
r_angle_refined_deg	1.185
r_mcangle_it	1.088
r_mcbond_it	0.681
r_nbtor_refined	0.299

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.856
r_dihedral_angle_4_deg	19.661
r_dihedral_angle_3_deg	15.441
r_dihedral_angle_1_deg	5.705
r_scangle_it	2.532
r_scbond_it	1.64
r_angle_refined_deg	1.185
r_mcangle_it	1.088
r_mcbond_it	0.681
r_nbtor_refined	0.299
r_symmetry_hbond_refined	0.227
r_symmetry_vdw_refined	0.222
r_nbd_refined	0.192
r_xyhbond_nbd_refined	0.157
r_chiral_restr	0.083
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4376
Nucleic Acid Atoms
Solvent Atoms	186
Heterogen Atoms	20

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.