1KJV

TAP-B-associated rat MHC class I molecule

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	290	26% PEG 4000, 0.2 M Li2SO4, 2% MPD, 0.1 M Tris/HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.397	α = 90
b = 50.522	β = 90
c = 200.073	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	CUSTOM-MADE		2000-06-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.95007	APS	19-ID

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	1.48	35	99.3	0.049	32.4	3.9		82429		-3

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)
	1.48	1.5	100		0.693	2	3	2721

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 1ED3, molecule 1	1.48	34.92	77790	5912	94.47	0.16404	0.16177	0.19113	RANDOM	7.66

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]
-0.7			0.42		0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	16.241
r_sphericity_free	5.102
r_dihedral_angle_1_deg	4.698
r_scangle_it	3.049
r_scbond_it	2.072
r_sphericity_bonded	1.807
r_angle_refined_deg	1.556
r_mcangle_it	1.413
r_angle_other_deg	1.172
r_rigid_bond_restr	1.157
r_mcbond_it	0.963
r_nbtor_other	0.357
r_xyhbond_nbd_other	0.25
r_nbd_refined	0.225
r_nbd_other	0.207
r_symmetry_vdw_other	0.207
r_symmetry_hbond_refined	0.18
r_xyhbond_nbd_refined	0.174
r_symmetry_vdw_refined	0.098
r_chiral_restr	0.096
r_symmetry_hbond_other	0.091
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3226
Nucleic Acid Atoms
Solvent Atoms	424
Heterogen Atoms	20

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement