1JPA

Crystal Structure of unphosphorylated EphB2 receptor tyrosine kinase and juxtamembrane region

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		apo-form from MAD data

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	301	HEPES, magnesium chloride, PEG 4000, isopropanol, ethylene glycol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 301K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.052	α = 112.95
b = 57.616	β = 103.17
c = 67.742	γ = 91.58

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 4		2000-05-28	M	MAD
2	1		CCD	ADSC QUANTUM 4		2000-09-21

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D	0.9790, 0.9788, 0.9770	APS	14-BM-D
2	SYNCHROTRON	APS BEAMLINE 14-BM-C	1.00	APS	14-BM-C

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	apo-form from MAD data	1.91	25.65	2	39931	4050		0.231	0.27	random

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]

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.5
c_angle_deg	1.09
c_improper_angle_d	0.73
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4361
Nucleic Acid Atoms
Solvent Atoms	260
Heterogen Atoms	20

Software

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

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.