2QX1 | pdb_00002qx1

Crystal structure of the complex between mycobacterium tuberculosis beta-ketoacyl-acyl carrier protein synthase III (FABH) and decyl-COA disulfide

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	100MM NA HEPES, 18% PEG-10K(W.V), pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.649	α = 90
b = 89.365	β = 90
c = 232.006	γ = 90

Symmetry
Space Group	C 2 2 21

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	RIGAKU VARIMAX CONFOCAL OPTICS	2006-03-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.5418

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	2.6	39.5	98	0.122	6.6	2.76	22144	21693			37.8

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	2.6	2.69	99.9		0.277	3.5	2.79	2176

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1HZP	2.6	14.88	19381	2178	97.5	0.24951	0.24214	0.24	0.3162	0.32	RANDOM	29.71

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]
2.43			-1.25		-1.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.35
r_dihedral_angle_4_deg	18.882
r_dihedral_angle_3_deg	17.09
r_dihedral_angle_1_deg	5.699
r_angle_refined_deg	1.229
r_scangle_it	1.172
r_scbond_it	0.705
r_mcangle_it	0.482
r_nbtor_refined	0.304
r_mcbond_it	0.273
r_symmetry_hbond_refined	0.237
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.162
r_chiral_restr	0.076
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_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	4872
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	70

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
CrystalClear	data collection
CrystalClear	data reduction
d*TREK	data scaling
CNS	phasing