3MRH

Crystal Structure of MHC class I HLA-A2 molecule complexed with HCV NS3-1073-1081 nonapeptide N3S variant

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MRG	PDB ENTRY 3MRG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	9% PEG 6000, 0.1M NaCitrate, 5mg/ml protein conc., pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.978	α = 90
b = 80.06	β = 113.72
c = 57.057	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 315r		2006-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.97626	ESRF	ID29

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	2.4	50	99.3	0.094	10.27	3.99		17070		-3	46.576

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	2.4	2.48	99.1		0.528	3

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 3MRG	2.4	15	17051	1555	90.8	0.217	0.222	0.308	RANDOM	45.077

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]
1.4		-6.41	-4.65		-1.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.853
r_dihedral_angle_4_deg	20.738
r_dihedral_angle_3_deg	20.666
r_dihedral_angle_1_deg	6.331
r_scangle_it	2.196
r_mcangle_it	1.689
r_scbond_it	1.387
r_angle_refined_deg	1.272
r_mcbond_it	0.904
r_chiral_restr	0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.853
r_dihedral_angle_4_deg	20.738
r_dihedral_angle_3_deg	20.666
r_dihedral_angle_1_deg	6.331
r_scangle_it	2.196
r_mcangle_it	1.689
r_scbond_it	1.387
r_angle_refined_deg	1.272
r_mcbond_it	0.904
r_chiral_restr	0.09
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3142
Nucleic Acid Atoms
Solvent Atoms	10
Heterogen Atoms

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
AMoRE	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.