3FT3

Crystal Structure of the minor histocompatibility peptide HA-1His in complex with HLA-A2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	12-15% w/v PEG 6000, 0.1 M NaCl and 0.1 M tri-sodium-citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.47	α = 90
b = 79.75	β = 111.02
c = 54.21	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		2006-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.99	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.95	50	97.9	0.109	10.1	4.1	29304	29304			19.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.95	2.02	94.8		0.461	3.4	4	2824

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	1.95	15	29299	29299	2934	98.32	0.18406	0.18406	0.18191	0.23054	random	21.857

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]
-0.56		-0.85	-1.75		1.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.812
r_dihedral_angle_4_deg	17.276
r_dihedral_angle_3_deg	14.56
r_dihedral_angle_1_deg	5.966
r_scangle_it	2.032
r_mcangle_it	1.521
r_scbond_it	1.397
r_angle_refined_deg	1.119
r_mcbond_it	0.88
r_nbtor_refined	0.314

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.812
r_dihedral_angle_4_deg	17.276
r_dihedral_angle_3_deg	14.56
r_dihedral_angle_1_deg	5.966
r_scangle_it	2.032
r_mcangle_it	1.521
r_scbond_it	1.397
r_angle_refined_deg	1.119
r_mcbond_it	0.88
r_nbtor_refined	0.314
r_symmetry_hbond_refined	0.255
r_nbd_refined	0.225
r_xyhbond_nbd_refined	0.201
r_symmetry_vdw_refined	0.194
r_chiral_restr	0.085
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3333
Nucleic Acid Atoms
Solvent Atoms	155
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.