3TUR

Crystal Structure of M. tuberculosis LD-transpeptidase type 2 complexed with a peptidoglycan fragment

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.1 M Hepes (pH 7.5), 1 M succinic Acid, 1% (w/v) PEG MME 2000, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.55	65.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.132	α = 90
b = 120.829	β = 90
c = 122.847	γ = 90

Symmetry
Space Group	I 21 21 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	RIGAKU SATURN 944		2009-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.72	85.7	94.3	0.051	29.2	3.5	89172	84134	-3	-3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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		THROUGHOUT	1.72	85.69	4474	94.35	0.2004	0.2004	0.1985	0.2346	RANDOM	38.9314

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]
2.07			-1.25		-0.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.761
r_dihedral_angle_4_deg	20.403
r_rigid_bond_restr	17.036
r_dihedral_angle_3_deg	14.788
r_scangle_it	8.657
r_dihedral_angle_1_deg	6.476
r_scbond_it	5.525
r_angle_refined_deg	2.595
r_mcangle_it	2.593
r_mcbond_it	1.566
r_chiral_restr	0.201
r_bond_refined_d	0.031
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4039
Nucleic Acid Atoms
Solvent Atoms	470
Heterogen Atoms	71

Software

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