4B6E | pdb_00004b6e

Discovery of an allosteric mechanism for the regulation of HCV NS3 protein function

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CU1	PDB ENTRY 1CU1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		0.2 M 2-(N-MORPHOLINO)ETHANESULFONIC ACID (MES)-NAOH PH 6.6, 14-20% W/V POLYETHYLENE GLYCOL (PEG) 6000, 10% W/V 2-METHYL-2,4-PENTANDIOL (MPD)

Crystal Properties
Matthews coefficient	Solvent content
2.55	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.404	α = 90
b = 111.309	β = 90
c = 141.84	γ = 90

Symmetry
Space Group	P 21 21 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	CCD	ADSC QUANTUM 315r		2007-10-26	M	SINGLE WAVELENGTH

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

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	2.45	87.6	98.7	0.07	10.3	3		52842		2

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	2.45	2.49	100		0.38	2.7	3.1

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 1CU1	2.46	87.57	49185	2645	97.96	0.19094	0.18742	0.19	0.25723	0.26	RANDOM	33.467

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]
0.43			-0.23		-0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.313
r_dihedral_angle_3_deg	16.381
r_dihedral_angle_4_deg	15.343
r_dihedral_angle_1_deg	6.441
r_angle_refined_deg	1.386
r_angle_other_deg	0.953
r_symmetry_vdw_refined	0.234
r_nbd_refined	0.206
r_symmetry_vdw_other	0.199
r_nbd_other	0.191
r_nbtor_refined	0.18
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.111
r_chiral_restr	0.103
r_scangle_it	0.103
r_nbtor_other	0.087
r_scbond_it	0.081
r_mcangle_it	0.08
r_mcbond_it	0.055
r_xyhbond_nbd_other	0.026
r_mcbond_other	0.021
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9602
Nucleic Acid Atoms
Solvent Atoms	346
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
CSEARCH	phasing