Experiment: 1HW9

COMPLEX OF THE CATALYTIC PORTION OF HUMAN HMG-COA REDUCTASE WITH SIMVASTATIN

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DQA	pdb entry 1dqa

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microseeding	7.5	294	PEG 4000, ammonium acetate, glycerol, DTT, Hepes, Microseeding, pH 7.5 at 294 K

Crystal Properties
Matthews coefficient	Solvent content
2.3	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.55	α = 90
b = 172.817	β = 117.56
c = 80.033	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	123	CCD	ADSC QUANTUM 4	mirror	2000-07-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.942	CHESS	F1

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	2.33	100	95.8	0.064	20.7	3.9	73854	73854		-3	41.4

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	2.33	2.37	61.7		0.452	1.6	2.7	2376

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	difference fourier	THROUGHOUT	pdb entry 1dqa	2.33	43.43	-3	73699	73699	2000	96.4	0.222	0.2182	0.248	RANDOM	60.4

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]
9.61		18.65	-13.88		4.27

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.1
c_scangle_it	1.5
c_improper_angle_d	1.31
c_angle_deg	1.3
c_mcangle_it	1.24
c_scbond_it	0.98
c_mcbond_it	0.7
c_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11750
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms	259

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing