4C4N

Crystal structure of the Sonic Hedgehog-heparin complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		100 MM TRIS-HCL PH 8.5; 200 MM SODIUM ACETATE; 30% (W/V) PEG 4000; 8% (V/V) 1,1,1,3,3, 3-HEXAFLUORO-2-PROPANOL

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.68	α = 90
b = 61.6	β = 90
c = 62.32	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				2012-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03		Diamond	I03

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	2.36	22.33	99.8	0.06	18.8	6.4		15713

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	2.35	2.42	99.9		0.63	2.7	5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.36	22	14900	783	99.68	0.20225	0.20076	0.23227	RANDOM	64.498

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]
2.91			0.36		-3.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.235
r_dihedral_angle_4_deg	16.741
r_dihedral_angle_3_deg	14.441
r_dihedral_angle_1_deg	6.071
r_mcangle_it	2.742
r_mcbond_it	1.673
r_mcbond_other	1.669
r_scbond_it	1.47
r_angle_refined_deg	1.413
r_angle_other_deg	0.951
r_chiral_restr	0.08
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.004
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2434
Nucleic Acid Atoms
Solvent Atoms	64
Heterogen Atoms	219

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing