3MRL

Crystal Structure of MHC class I HLA-A2 molecule complexed with HCV NS3-1073-1081 nonapeptide C6V 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	15% PEG 6000, 0.1M NaCitrate, 3.6mg/ml protein conc., pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.634	α = 90
b = 80.973	β = 113.17
c = 57.019	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		2006-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.97569	ESRF	ID14-4

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	93.9	0.133	7.82	2.99		16618		-3	40.304

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	90.2		0.553	2.9

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	2.41	15	15691	1599	90.88	0.205	0.2	0.279	RANDOM	31.59

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]
0.33		-1.28	-1.23		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.645
r_dihedral_angle_4_deg	18.935
r_dihedral_angle_3_deg	17.882
r_dihedral_angle_1_deg	5.99
r_scangle_it	2.909
r_mcangle_it	1.988
r_scbond_it	1.843
r_angle_refined_deg	1.223
r_mcbond_it	1.064
r_chiral_restr	0.088

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.645
r_dihedral_angle_4_deg	18.935
r_dihedral_angle_3_deg	17.882
r_dihedral_angle_1_deg	5.99
r_scangle_it	2.909
r_mcangle_it	1.988
r_scbond_it	1.843
r_angle_refined_deg	1.223
r_mcbond_it	1.064
r_chiral_restr	0.088
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3145
Nucleic Acid Atoms
Solvent Atoms	47
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.