3IFD

Human synthetic monocyte chemoattractant protein 1 (MCP-1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.1 M TRIS PH 8.5, 2.4 M K/NA PHOSPHATE, 2% PEG 400 CRYO CONDITIONS: 0.1 M TRIS PH 8.5, 2.2 M K/NA PHOSPHATE, 2% PEG 400, 17% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.78	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.71	α = 90
b = 60.71	β = 90
c = 45.49	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	107	CCD	RIGAKU SATURN 944	VARIMAX HF	2007-03-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	34.4	80.8	0.051		1.9		6396		-4	35.2

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)
	1.9	1.97	39.7		0.52		1.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1DOL	1.9	15	6079	6079	294	76.2	0.19534	0.19534	0.19264	0.25467	RANDOM	48.3

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]
-0.05	-0.03		-0.05		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.558
r_scangle_it	14.306
r_dihedral_angle_3_deg	14.193
r_dihedral_angle_4_deg	11.984
r_scbond_it	9.681
r_dihedral_angle_1_deg	6.171
r_mcangle_it	3.919
r_mcbond_it	2.265
r_angle_refined_deg	1.248
r_nbtor_refined	0.294
r_symmetry_vdw_refined	0.269
r_nbd_refined	0.219
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.158
r_metal_ion_refined	0.116
r_chiral_restr	0.087
r_symmetry_metal_ion_refined	0.059
r_bond_refined_d	0.011
r_gen_planes_refined

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	527
Nucleic Acid Atoms
Solvent Atoms	14
Heterogen Atoms	6

Software

Software
Software Name	Purpose
d*TREK	data scaling
AMoRE	phasing
REFMAC	refinement
d*TREK	data reduction