3KF2 | pdb_00003kf2

The HCV NS3/NS4A protease apo structure

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2A4G	PDB ENTRY 2A4G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	277	1.2M NaCl, 50mM MES, 50mM Na/K Phosphate, 10mM BME, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.89	68.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 224.924	α = 90
b = 224.924	β = 90
c = 75.545	γ = 120

Symmetry
Space Group	H 3 2

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 1		2008-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.9800	ESRF	ID23-1

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	2.5	112.509	99.6	0.111	0.111	12.8	4.9		25152	2	2

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)
	2.5	2.64	100		0.627	0.627	1.1	5	3664

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 (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 2A4G	2.5	112.46	25286	25152	1285	99.47	0.217	0.207	0.205	0.2043	0.235	0.2337	RANDOM	33.813

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]
-0.11	-0.06		-0.11		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.746
r_dihedral_angle_3_deg	20.188
r_dihedral_angle_4_deg	19.655
r_dihedral_angle_1_deg	6.815
r_scangle_it	3.57
r_scbond_it	2.064
r_angle_refined_deg	1.565
r_mcangle_it	1.485
r_mcbond_it	0.824
r_nbtor_refined	0.313
r_nbd_refined	0.221
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.148
r_symmetry_hbond_refined	0.129
r_chiral_restr	0.107
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2740
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
DNA	data collection