2NQT | pdb_00002nqt

Crystal structure of N-Acetyl-gamma-Glutamyl-Phosphate Reductase (Rv1652) from Mycobacterium tuberculosis at 1.58 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	25% PEG 3350, 0.1M HEPES, 0.2M Ammonium acetate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 140.877	α = 90
b = 77.983	β = 127.38
c = 87.884	γ = 90

Symmetry
Space Group	C 1 2 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	CCD	ADSC QUANTUM 210		2006-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.11587	ALS	8.3.1

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	1.58	50	90.3	0.054	16.87	2.4	93633	93633

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.58	1.64	60.2		0.235	3.34	1.5	6199

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.58	40.66	88945	88945	4686	90.05	0.16422	0.16422	0.16307	0.1625	0.18531	0.1567	RANDOM	14.714

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]
0.08		-0.25	0.34		-0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.415
r_dihedral_angle_4_deg	19.088
r_dihedral_angle_3_deg	11.521
r_dihedral_angle_1_deg	5.743
r_scangle_it	2.833
r_scbond_it	1.766
r_angle_refined_deg	1.237
r_mcangle_it	1.16
r_mcbond_it	0.692
r_nbtor_refined	0.304
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.137
r_symmetry_hbond_refined	0.133
r_xyhbond_nbd_refined	0.115
r_chiral_restr	0.084
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5024
Nucleic Acid Atoms
Solvent Atoms	874
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing