1X74

Alpha-methylacyl-CoA racemase from Mycobacterium tuberculosis- mutational and structural characterization of the fold and active site

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	294	Ammonium phosphate, pH 7.0, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.6	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.073	α = 90
b = 79.779	β = 92.04
c = 117.619	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARRESEARCH	Bent mirror	2003-08-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.8112	EMBL/DESY, HAMBURG	X11

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	1.79	35	100	0.069	0.05	16.5	3.8	155993	155993			19.1

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	1.8	1.86	99.9		0.373	0.315	3.4		15483

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	MIR	THROUGHOUT	1.79	19.96	147970	147970	7398	99.47	0.16215	0.16047	0.19333	RANDOM	13.451

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.498
r_scangle_it	3.132
r_scbond_it	2.023
r_mcangle_it	1.198
r_angle_refined_deg	1.13
r_mcbond_it	0.703
r_nbd_refined	0.202
r_symmetry_hbond_refined	0.198
r_symmetry_vdw_refined	0.175
r_xyhbond_nbd_refined	0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.498
r_scangle_it	3.132
r_scbond_it	2.023
r_mcangle_it	1.198
r_angle_refined_deg	1.13
r_mcbond_it	0.703
r_nbd_refined	0.202
r_symmetry_hbond_refined	0.198
r_symmetry_vdw_refined	0.175
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.105
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10716
Nucleic Acid Atoms
Solvent Atoms	1458
Heterogen Atoms	95

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
SCALEPACK	data scaling
SOLVE	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.