2IRY

Crystal Structure of the Polymerase Domain from Mycobacterium tuberculosis Ligase D with dGTP and Manganese.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	285	0.1M Na Hepes, 0.01M MnCl2, 10%(v/v) iso-propanol, 20% PEG 4000, 0.01M dGTP, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.221	α = 90
b = 75.87	β = 92.59
c = 95.809	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2006-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54180

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.78	40.49	100	0.07	0.095	15.5	3.7		56549		-3.7	20.26114

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)
1	1.78	1.88	99.9		0.175	0.237	4.3	3.6	8240

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.78	40.49	56528	53660	2868	99.96	0.18453	0.18206	0.23034	RANDOM	17.099

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]
0.4		-0.17	-0.2		-0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.396
r_dihedral_angle_4_deg	19.01
r_dihedral_angle_3_deg	13.432
r_dihedral_angle_1_deg	5.987
r_scangle_it	3.191
r_scbond_it	2.098
r_angle_refined_deg	1.414
r_mcangle_it	1.254
r_mcbond_it	0.794
r_nbtor_refined	0.3
r_nbd_refined	0.206
r_symmetry_vdw_refined	0.206
r_symmetry_hbond_refined	0.184
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.095
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
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	4362
Nucleic Acid Atoms
Solvent Atoms	659
Heterogen Atoms	53

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
MOSFLM	data reduction
CCP4	data scaling
PHASER	phasing