2C9D

Lumazine Synthase from Mycobacterium tuberculosis Bound to 3-(1,3,7- TRIHYDRO-9-D-RIBITYL-2,6,8-PURINETRIONE-7-YL)HEXANE 1-PHOSPHATE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1W19	PDB ENTRY 1W19

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.4		pH 6.40

Crystal Properties
Matthews coefficient	Solvent content
2.5	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.955	α = 64.27
b = 79.959	β = 64.39
c = 88.352	γ = 62.81

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	105	IMAGE PLATE	MARRESEARCH	MIRROR	2005-05-10	M	SINGLE WAVELENGTH

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

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	2.8	20	84	0.12	4	2		77471		1

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	2.8	2.86	80.9		0.57	1.24	2

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	PDB ENTRY 1W19	2.8	12	31693	1721	82	0.262	0.259	0.326	RANDOM	31.96

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]
0.29	-2.29	1.54	0.31	0.46	-0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.483
r_dihedral_angle_4_deg	17.114
r_dihedral_angle_3_deg	16.436
r_dihedral_angle_1_deg	4.827
r_angle_refined_deg	1.338
r_scangle_it	0.605
r_scbond_it	0.387
r_nbtor_refined	0.287
r_symmetry_vdw_refined	0.236
r_nbd_refined	0.216
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.16
r_mcangle_it	0.139
r_metal_ion_refined	0.103
r_chiral_restr	0.077
r_mcbond_it	0.055
r_bond_refined_d	0.009
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10598
Nucleic Acid Atoms
Solvent Atoms	531
Heterogen Atoms	353

Software

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