4EHC

Crystal structure of the C-terminal domain of Rv0977 of Mycobacterium tuberculosis

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	293	0.1M MES sodium salt pH 6.5, 12% PEG 20000, Microbatch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.11	α = 90
b = 66.16	β = 90
c = 69.62	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	100	CCD	MARMOSAIC 225 mm CCD	bent collimating mirror and toroid	2010-04-21	M	SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.978	ESRF	BM14

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	1.975	37.728	100	0.132	16.3	14.6		20442			15.3

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	1.98	2.08	100		0.415	6.9	14.3	2904

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.98	37.728	19397	1044	99.99	0.1674	0.16505	0.21262	RANDOM	18.398

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]
-0.68			0.04		0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.256
r_dihedral_angle_3_deg	12.432
r_dihedral_angle_1_deg	6.492
r_dihedral_angle_4_deg	5.446
r_scangle_it	3.891
r_scbond_it	2.707
r_mcangle_it	1.844
r_angle_refined_deg	1.623
r_mcbond_it	1.055
r_chiral_restr	0.113
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1967
Nucleic Acid Atoms
Solvent Atoms	209
Heterogen Atoms	125

Software

Software
Software Name	Purpose
HKL-2000	data collection
Auto-Rickshaw	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling