2QLW

Crystal structure of rhamnose mutarotase RhaU of Rhizobium leguminosarum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	2M Sodium Formate, 0.1M Sodium Acetate pH 4.6, 20% Glycerol , VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.241	α = 90
b = 69.241	β = 90
c = 101.106	γ = 120

Symmetry
Space Group	P 32 1 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	Mirrors	2006-02-23	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM16	0.9079	ESRF	BM16

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	1.6	30	97.1	0.097	11.2	5.7	35978	35978

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	1.6	1.66	97		0.589	3.2	5.6	3574

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	1.6	19.99	35783	35783	1786	97.15	0.153	0.153	0.152	0.18	RANDOM	10.823

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]
0.08	0.04		0.08		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.346
r_dihedral_angle_4_deg	18.659
r_dihedral_angle_3_deg	13.074
r_dihedral_angle_1_deg	5.396
r_scangle_it	4.535
r_scbond_it	3.27
r_mcangle_it	1.782
r_angle_other_deg	1.711
r_angle_refined_deg	1.69
r_mcbond_it	1.519
r_mcbond_other	0.311
r_nbd_refined	0.227
r_nbd_other	0.214
r_symmetry_vdw_other	0.2
r_symmetry_vdw_refined	0.197
r_nbtor_refined	0.179
r_xyhbond_nbd_refined	0.161
r_chiral_restr	0.136
r_symmetry_hbond_refined	0.129
r_nbtor_other	0.089
r_bond_refined_d	0.018
r_gen_planes_refined	0.008
r_bond_other_d	0.007
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1748
Nucleic Acid Atoms
Solvent Atoms	220
Heterogen Atoms	50

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
DNA	data collection
SHELXD	phasing