3U18

Chicago Sky Blue 6B, A Novel Inhibitor for Macrophage Migration Inhibitory Factor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MIF	pdb entry 1MIF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	310	100 mM p425 dissolved in 2.0 M ammonium sulfate, 4% 2-propanol, 0.1 M Tris, VAPOR DIFFUSION, temperature 310K, pH 8

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.857	α = 90
b = 67.907	β = 90
c = 86.572	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	OXFORD ONYX CCD		2011-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION ENHANCE ULTRA

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	1.89	30.34	99.7	0.068	13.9	4.8		32640	3	3

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	1.89	1.99	98.1		0.208	4.4	2.5

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 1MIF	1.9	30.34	30441	1649	99.62	0.14274	0.1409	0.17701	RANDOM	13.799

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]
0.03			-0.12		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.532
r_dihedral_angle_4_deg	18.95
r_dihedral_angle_3_deg	12.296
r_dihedral_angle_1_deg	5.612
r_angle_refined_deg	2.337
r_chiral_restr	0.183
r_bond_refined_d	0.024
r_gen_planes_refined	0.013
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2601
Nucleic Acid Atoms
Solvent Atoms	313
Heterogen Atoms	156

Software

Software
Software Name	Purpose
CrysalisPro	data collection
PHASER	phasing
REFMAC	refinement
CrysalisPro	data reduction
SCALA	data scaling