1IEA

HISTOCOMPATIBILITY ANTIGEN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.2		8% PEG 4000, 2% EG, 200MM A.S, 100MM CITRATE PH 5.2

Crystal Properties
Matthews coefficient	Solvent content
2.54	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 147.02	α = 90
b = 57.09	β = 91.52
c = 117.01	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	110	IMAGE PLATE	FUJI

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.9879, 1.0070	NSLS	X4A

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	2.3	20	89.2	0.075		4.35		38809			34.2

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 1DLH	2.3	6	36317	1833	88.7	0.202	0.202	0.274	RANDOM	32.3

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]
-4.37		-2.27	5.65		-1.28

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	26.7
x_mcangle_it	2.62
x_scangle_it	2.47
x_angle_deg	1.63
x_mcbond_it	1.54
x_scbond_it	1.53
x_improper_angle_d	1.39
x_bond_d	0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6336
Nucleic Acid Atoms
Solvent Atoms	349
Heterogen Atoms	84

Software

Software
Software Name	Purpose
HKL	data collection
DENZO	data reduction
SCALA	data scaling
Agrovata	data reduction
X-PLOR	model building
X-PLOR	refinement
HKL	data reduction
CCP4	data scaling
X-PLOR	phasing