3WDB

N-terminal domain of Mycobacterium tuberculosis ClpC1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	291	0.2M ammonium acetate, 20% polyethylene glycol 3350, 0.025M magnesium formate, pH 7.5, VAPOR DIFFUSION, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.37	α = 90
b = 57.15	β = 90
c = 65.02	γ = 90

Symmetry
Space Group	P 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	298	PIXEL	PSI PILATUS 6M		2011-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.0	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.37	50					33696

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	MOLECULAR REPLACEMENT	THROUGHOUT	2Y1Q	1.37	30	31935	1709	99.3	0.1455	0.1434	0.1821	RANDOM	22.21

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]
0.31			-0.57		0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	40.16
r_dihedral_angle_2_deg	39.74
r_sphericity_bonded	18.796
r_dihedral_angle_4_deg	15.831
r_dihedral_angle_3_deg	13.324
r_dihedral_angle_1_deg	4.9
r_rigid_bond_restr	3.451
r_angle_refined_deg	1.556
r_chiral_restr	0.089
r_bond_refined_d	0.013
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1144
Nucleic Acid Atoms
Solvent Atoms	170
Heterogen Atoms	3

Software

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