2BCK

Crystal Structure of HLA-A*2402 Complexed with a telomerase peptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	293	1.6M Ammonium Sulphate, 0.1M Sodium Chloride, 0.1M HEPES, 10% v/v Dioxane, pH 7.0, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.505	α = 90
b = 132.186	β = 128.8
c = 91.197	γ = 90

Symmetry
Space Group	C 1 2 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 4		2004-02-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

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	2.8	78.62	99.4	0.153	0.153	3.3	3.2		28450	1	1	79.3

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)
1	2.8	2.95	99.7	99.7	0.917	0.917	1.2	3.2	4174

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1AO7	2.8	78.57	28388	28388	1438	99.27	0.187	0.187	0.183	0.256	RANDOM	36.865

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]
7.81		5.7	-4.21		3.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	18.591
r_scangle_it	9.972
r_dihedral_angle_3_deg	9.361
r_dihedral_angle_4_deg	8.216
r_scbond_it	7.077
r_mcangle_it	4.787
r_mcbond_it	3.71
r_dihedral_angle_1_deg	1.907
r_angle_refined_deg	1.348
r_mcbond_other	0.892
r_angle_other_deg	0.687
r_symmetry_vdw_other	0.239
r_symmetry_hbond_refined	0.238
r_nbd_refined	0.228
r_xyhbond_nbd_refined	0.22
r_symmetry_vdw_refined	0.219
r_nbd_other	0.213
r_nbtor_refined	0.19
r_xyhbond_nbd_other	0.122
r_nbtor_other	0.09
r_chiral_restr	0.077
r_bond_refined_d	0.013
r_gen_planes_refined	0.011
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6422
Nucleic Acid Atoms
Solvent Atoms	128
Heterogen Atoms	64

Software

Software
Software Name	Purpose
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling