3LLS

Crystal structure of 3-ketoacyl-(acyl-carrier-protein) reductase from Mycobacterium tuberculosis

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3FTP	PDB entry 3FTP modified with CCP4 program CHAINSAW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	290	1.5M AMMONIUM SULPHATE, 100MM HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.37	α = 90
b = 101.37	β = 90
c = 165.18	γ = 120

Symmetry
Space Group	P 3 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	RIGAKU SATURN 944+		2009-12-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF

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	2.4	50	99.3	0.105	0.105	13.54	5.7	39113	38839		-3	39.4

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	2.4	2.46	99.5		0.57	0.57	3.17	5.4	2847

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3FTP modified with CCP4 program CHAINSAW	2.4	20	39113	38769	1940	99.3	0.184	0.184	0.182	0.228	RANDOM	10.78

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]
0.69	0.35		0.69		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.965
r_dihedral_angle_4_deg	16.618
r_dihedral_angle_3_deg	13.009
r_dihedral_angle_1_deg	6.179
r_scangle_it	3.141
r_scbond_it	1.935
r_angle_refined_deg	1.449
r_mcangle_it	1.021
r_angle_other_deg	0.865
r_mcbond_it	0.56
r_mcbond_other	0.149
r_chiral_restr	0.079
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5728
Nucleic Acid Atoms
Solvent Atoms	395
Heterogen Atoms	53

Software

Software
Software Name	Purpose
StructureStudio	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling