2AQ8

Crystal structure of wild-type of Enoyl-ACP(CoA) reductase from Mycobacterium tuberculosis in complex with NADH.

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	0.05 M Sodium citrate, 0.05 M Hepes, 8-15% 2-Methyl-2-4-pentanediol (MPD), pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.24	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.022	α = 90
b = 96.022	β = 90
c = 138.164	γ = 120

Symmetry
Space Group	P 62 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	104	CCD	MARRESEARCH		2003-09-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.431	LNLS	D03B-MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.92	39.84	97.7				26972	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.92	2.03	94.8

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 1ENY	1.92	33.24	26972	1446	97.15	0.18876	0.18746	0.2128	RANDOM	24.316

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]
0.02	0.01		0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.697
r_dihedral_angle_4_deg	17.825
r_dihedral_angle_3_deg	15.65
r_dihedral_angle_1_deg	5.984
r_scangle_it	3.872
r_scbond_it	2.534
r_angle_refined_deg	1.75
r_mcangle_it	1.365
r_mcbond_it	0.954
r_nbtor_refined	0.318
r_symmetry_vdw_refined	0.27
r_nbd_refined	0.226
r_symmetry_hbond_refined	0.167
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.139
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	1984
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
AMoRE	phasing
X-PLOR	refinement
CCP4	data scaling
MOSFLM	data reduction