1PM7

RmlC (dTDP-6-DEOXY-D-XYLO-4-HEXULOSE 3,5-EPIMERASE)STRUCTURE FROM MYCOBACTERIUM TUBERCULOSIS AND INHIBITOR DESIGN. THE APO STRUCTURE.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	20% PEG 8K, 0.2M calcium acetate, 0.1M sodium cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.066	α = 90
b = 66.066	β = 90
c = 87.62	γ = 120

Symmetry
Space Group	P 32

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 4		2001-04-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.448	SRS	PX14.1

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	2.2	56.8	99.9	0.05	0.044	1.8	4		21690	8.73	11	46.47

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	2.2	2.32	99.9		0.423	0.364	1.8	3.9	3149

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	56.8	1.8	20551	1110	99.84	0.21102	0.2071	0.28339	RANDOM	24.349

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]
0.74	0.37		0.74		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	9.212
r_sphericity_free	3.472
r_scangle_it	2.331
r_angle_refined_deg	1.682
r_scbond_it	1.656
r_sphericity_bonded	1.401
r_mcangle_it	1.062
r_rigid_bond_restr	1.027
r_angle_other_deg	0.905
r_mcbond_it	0.69
r_symmetry_vdw_refined	0.291
r_symmetry_vdw_other	0.284
r_nbd_other	0.254
r_nbd_refined	0.219
r_xyhbond_nbd_refined	0.192
r_symmetry_hbond_refined	0.191
r_chiral_restr	0.103
r_nbtor_other	0.087
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3100
Nucleic Acid Atoms
Solvent Atoms	155
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing