2IEP

Crystal structure of immunoglobulin-like domains 1 and 2 of the receptor tyrosine kinase MuSK

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	8% PEG 4000, 0.2M Ammonium Sulfate, 0.1M Sodium Acetate pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.16	61.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.608	α = 90
b = 118.004	β = 90
c = 57.785	γ = 90

Symmetry
Space Group	P 21 21 2

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		2004-06-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.92014	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.205	50	98.7	0.06	15.9	3.6		27127

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.205	2.28	97.5		0.331		3.3	2620

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 1FHG	2.205	30	26130	1309	95.12	0.218	0.216	0.258	RANDOM	31.626

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]
0.74			-0.99		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.237
r_dihedral_angle_4_deg	15.392
r_dihedral_angle_3_deg	14.835
r_dihedral_angle_1_deg	6.8
r_scangle_it	2.896
r_scbond_it	1.734
r_angle_refined_deg	1.28
r_mcangle_it	1.233
r_mcbond_it	0.754
r_nbtor_refined	0.298
r_nbd_refined	0.192
r_symmetry_vdw_refined	0.177
r_symmetry_hbond_refined	0.159
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2830
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	15

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing