3CIS

The Crystal Structure of Rv2623 from Mycobacterium tuberculosis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.4	277	29% polyacrylate 5100, 100mM sodium citrate, 20mM MgCl2, 200mM MES, pH 5.4, vapor diffusion, sitting drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.78	74.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 172.975	α = 90
b = 241.48	β = 90
c = 241.659	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC QUANTUM 315		2006-09-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.0809	NSLS	X29A

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	2.8	50	98.1	0.088	14.4	5	121857	121857

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)
	2.8	2.9	95.6		0.508	0.508	2.013	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1TQ8	2.9	49.57	121857	105356	5560	99.02	0.25136	0.25047	0.26817	RANDOM	48.106

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]
4.57			-2.96		-1.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.258
r_dihedral_angle_3_deg	15.893
r_dihedral_angle_4_deg	13.849
r_dihedral_angle_1_deg	4.585
r_mcangle_it	2.272
r_mcbond_it	1.637
r_scangle_it	1.242
r_angle_refined_deg	0.979
r_scbond_it	0.719
r_symmetry_hbond_refined	0.337
r_nbtor_refined	0.317
r_nbd_refined	0.232
r_symmetry_vdw_refined	0.23
r_xyhbond_nbd_refined	0.188
r_chiral_restr	0.054
r_bond_refined_d	0.011
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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	17267
Nucleic Acid Atoms
Solvent Atoms	359
Heterogen Atoms	512

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction