3B70 | pdb_00003b70

Crystal structure of Aspergillus terreus trans-acting lovastatin polyketide enoyl reductase (LovC) with bound NADP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3B6Z	PDB Entry 3B6Z

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	298	30% PEG 4000, 0.1 M sodium acetate, 0.2 M ammonium acetate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.379	α = 90
b = 44.578	β = 102.13
c = 92.927	γ = 90

Symmetry
Space Group	P 1 21 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 315	Mirrors	2007-05-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	0.9785	SSRL	BL7-1

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	1.89	50	96.8	0.071	19.5	3.6		26335

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	1.9	1.97	79.7		0.281	2.9	3.1	2141

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-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 3B6Z	1.89	50	27289	26323	1339	96.46	0.186	0.184	0.1817	0.228	0.2276	RANDOM	29.34

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]
1.45		1.44	-0.37		-0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.906
r_dihedral_angle_4_deg	18.068
r_dihedral_angle_3_deg	16.295
r_dihedral_angle_1_deg	6.563
r_scangle_it	3.859
r_scbond_it	2.518
r_mcangle_it	1.827
r_angle_refined_deg	1.62
r_mcbond_it	1.198
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.243
r_nbd_refined	0.213
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.129
r_symmetry_hbond_refined	0.117
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2742
Nucleic Acid Atoms
Solvent Atoms	126
Heterogen Atoms	54

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing