2ASF

Crystal structure of the conserved hypothetical protein Rv2074 from Mycobacterium tuberculosis 1.6 A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	298	20% PEG 4000, 0.2M sodium citrate, 3% dioxane, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2	38.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.395	α = 90
b = 73.395	β = 90
c = 44.794	γ = 90

Symmetry
Space Group	P 43 21 2

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 4		2004-07-29	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.979571, 1.019691, 1.115869	ALS	8.3.1

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	1.6	38.24	97.6			16681	16283

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.66	87.8

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	MAD	THROUGHOUT	1.6	38.24	15503	792	97.58	0.17992	0.17866	0.20397	RANDOM	14.561

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]
0.02			0.02		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.585
r_dihedral_angle_4_deg	16.189
r_dihedral_angle_3_deg	9.91
r_dihedral_angle_1_deg	5.793
r_scangle_it	3.396
r_scbond_it	2.345
r_mcangle_it	1.36
r_angle_refined_deg	1.271
r_mcbond_it	0.704
r_nbtor_refined	0.309
r_nbd_refined	0.209
r_symmetry_vdw_refined	0.162
r_xyhbond_nbd_refined	0.154
r_symmetry_hbond_refined	0.128
r_symmetry_metal_ion_refined	0.112
r_metal_ion_refined	0.095
r_chiral_restr	0.084
r_bond_refined_d	0.021
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	963
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
SCALEPACK	data scaling
SOLVE	phasing