3HOF

Structure of macrophage migration inhibitory factor (MIF) with caffeic acid at 1.9A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CA7	PDB entry 1CA7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		296	30-42.5% MPD_P1K_P3350 mix (MDL Morpheus screen), 0.1M buffer 1 mix (MDL morpheus screen), pH 5.5-7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.669	α = 90
b = 67.988	β = 90
c = 89.135	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	ADSC QUANTUM 315	double Si 111 crystal monochromator	2009-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9702	Diamond	I04

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	1.9	37.3	99.3	0.109	8.4	4.43		32859			24.8

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	1.9	1.97	100		0.254	4.1	4.53

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 1CA7	1.9	32.27	31196	1663	99.3	0.17422	0.17283	0.19958	RANDOM	16.023

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]
-0.21			-0.59		0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.157
r_dihedral_angle_3_deg	13.895
r_dihedral_angle_4_deg	13.417
r_dihedral_angle_1_deg	5.636
r_scangle_it	3.835
r_scbond_it	2.419
r_angle_refined_deg	1.408
r_mcangle_it	1.279
r_mcbond_it	0.726
r_chiral_restr	0.116
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
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_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2662
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	13

Software

Software
Software Name	Purpose
DNA	data collection
PHASER	phasing
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling